chore: mark v0.0.15 (#250 )

chore: roll playwright to 1745357020000 (#249 )
feat(network): implement listing network requests (#247 )
2025-04-22 16:17:36 -07:00 · 2025-04-22 16:04:50 -07:00 · 2025-04-22 16:04:25 -07:00 · 2025-04-22 13:24:38 +02:00
33 changed files with 656 additions and 308 deletions
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -58,4 +58,4 @@ jobs:
      run: npx playwright install --with-deps

    - name: Run tests
-      run: npm test
+      run: npm test -- --forbid-only
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,17 +1,17 @@
 {
  "name": "@playwright/mcp",
-  "version": "0.0.14",
+  "version": "0.0.15",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "@playwright/mcp",
-      "version": "0.0.14",
+      "version": "0.0.15",
      "license": "Apache-2.0",
      "dependencies": {
        "@modelcontextprotocol/sdk": "^1.6.1",
        "commander": "^13.1.0",
-        "playwright": "^1.52.0-alpha-1743163434000",
+        "playwright": "1.53.0-alpha-1745357020000",
        "yaml": "^2.7.1",
        "zod-to-json-schema": "^3.24.4"
      },
@@ -21,7 +21,7 @@
      "devDependencies": {
        "@eslint/eslintrc": "^3.2.0",
        "@eslint/js": "^9.19.0",
-        "@playwright/test": "^1.52.0-alpha-1743163434000",
+        "@playwright/test": "1.53.0-alpha-1745357020000",
        "@stylistic/eslint-plugin": "^3.0.1",
        "@types/node": "^22.13.10",
        "@typescript-eslint/eslint-plugin": "^8.26.1",
@@ -286,13 +286,13 @@
      }
    },
    "node_modules/@playwright/test": {
-      "version": "1.52.0-alpha-1743163434000",
-      "resolved": "https://registry.npmjs.org/@playwright/test/-/test-1.52.0-alpha-1743163434000.tgz",
-      "integrity": "sha512-4uBgNlJ6hgPtB8DrwQsgoKuVoe7j+nPqudna7CLXWCmmT3LYPMD5aOjGoBkszr+R9NejtKashq/bOi/ny9hsIA==",
+      "version": "1.53.0-alpha-1745357020000",
+      "resolved": "https://registry.npmjs.org/@playwright/test/-/test-1.53.0-alpha-1745357020000.tgz",
+      "integrity": "sha512-7xQRHhsS//elVJVt2WybJPXAy++WiE8yJzMtVFcnzdQNg9VNSbpqo4b61io5IIG1nEfB22N4BhjQ/8jPrUyu9A==",
      "dev": true,
      "license": "Apache-2.0",
      "dependencies": {
-        "playwright": "1.52.0-alpha-1743163434000"
+        "playwright": "1.53.0-alpha-1745357020000"
      },
      "bin": {
        "playwright": "cli.js"
@@ -3301,12 +3301,12 @@
      }
    },
    "node_modules/playwright": {
-      "version": "1.52.0-alpha-1743163434000",
-      "resolved": "https://registry.npmjs.org/playwright/-/playwright-1.52.0-alpha-1743163434000.tgz",
-      "integrity": "sha512-4uYv49ekPjolydfFfTfFQ2z4URF9UZMVUXLy7aXam/tPxEQ5O7+jQC+yzrDMGmhcj5QkMnxjlyk7N2V9a0QLdQ==",
+      "version": "1.53.0-alpha-1745357020000",
+      "resolved": "https://registry.npmjs.org/playwright/-/playwright-1.53.0-alpha-1745357020000.tgz",
+      "integrity": "sha512-evnZJIB1CRSA1HfwCkLhyqyGZybSWdNwfyyUWhBoez9ISbYMuYrTtidx75oiGVXtbKr5s8iC0+opuvagu4L1vA==",
      "license": "Apache-2.0",
      "dependencies": {
-        "playwright-core": "1.52.0-alpha-1743163434000"
+        "playwright-core": "1.53.0-alpha-1745357020000"
      },
      "bin": {
        "playwright": "cli.js"
@@ -3319,9 +3319,9 @@
      }
    },
    "node_modules/playwright-core": {
-      "version": "1.52.0-alpha-1743163434000",
-      "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.52.0-alpha-1743163434000.tgz",
-      "integrity": "sha512-Tn4u3Ywwjkh847/bYWlXIrNxv5DRJRDgtb+VYMXHvNCKkrxL6yfZ1ApIAYD7IAkkKH/KLTXszGWl3a/Z/KDfQA==",
+      "version": "1.53.0-alpha-1745357020000",
+      "resolved": "https://registry.npmjs.org/playwright-core/-/playwright-core-1.53.0-alpha-1745357020000.tgz",
+      "integrity": "sha512-3oPzOUwJ/yhNWUs3fh5UbmI1Mf18sHUDo3gxzuPwqxN3QCSFKx9Ncg7cSB+FyJCkgz7ZD8fUlzJ75YsDE+PMfA==",
      "license": "Apache-2.0",
      "bin": {
        "playwright-core": "cli.js"
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
  "name": "@playwright/mcp",
-  "version": "0.0.14",
+  "version": "0.0.15",
  "description": "Playwright Tools for MCP",
  "repository": {
    "type": "git",
@@ -36,14 +36,14 @@
  "dependencies": {
    "@modelcontextprotocol/sdk": "^1.6.1",
    "commander": "^13.1.0",
-    "playwright": "^1.52.0-alpha-1743163434000",
+    "playwright": "1.53.0-alpha-1745357020000",
    "yaml": "^2.7.1",
    "zod-to-json-schema": "^3.24.4"
  },
  "devDependencies": {
    "@eslint/eslintrc": "^3.2.0",
    "@eslint/js": "^9.19.0",
-    "@playwright/test": "^1.52.0-alpha-1743163434000",
+    "@playwright/test": "1.53.0-alpha-1745357020000",
    "@stylistic/eslint-plugin": "^3.0.1",
    "@types/node": "^22.13.10",
    "@typescript-eslint/eslint-plugin": "^8.26.1",
--- a/src/context.ts
+++ b/src/context.ts
@@ -124,7 +124,7 @@ export class Context {

  async run(tool: Tool, params: Record<string, unknown> | undefined) {
    // Tab management is done outside of the action() call.
-    const toolResult = await tool.handle(this, params);
+    const toolResult = await tool.handle(this, tool.schema.inputSchema.parse(params));
    const { code, action, waitForNetwork, captureSnapshot, resultOverride } = toolResult;
    const racingAction = action ? () => this._raceAgainstModalDialogs(action) : undefined;

@@ -317,6 +317,7 @@ export class Tab {
  readonly context: Context;
  readonly page: playwright.Page;
  private _console: playwright.ConsoleMessage[] = [];
+  private _requests: Map<playwright.Request, playwright.Response | null> = new Map();
  private _snapshot: PageSnapshot | undefined;
  private _onPageClose: (tab: Tab) => void;

@@ -325,9 +326,11 @@ export class Tab {
    this.page = page;
    this._onPageClose = onPageClose;
    page.on('console', event => this._console.push(event));
+    page.on('request', request => this._requests.set(request, null));
+    page.on('response', response => this._requests.set(response.request(), response));
    page.on('framenavigated', frame => {
      if (!frame.parentFrame())
-        this._console.length = 0;
+        this._clearCollectedArtifacts();
    });
    page.on('close', () => this._onClose());
    page.on('filechooser', chooser => {
@@ -342,8 +345,13 @@ export class Tab {
    page.setDefaultTimeout(5000);
  }

-  private _onClose() {
+  private _clearCollectedArtifacts() {
    this._console.length = 0;
+    this._requests.clear();
+  }
+
+  private _onClose() {
+    this._clearCollectedArtifacts();
    this._onPageClose(this);
  }

@@ -363,10 +371,14 @@ export class Tab {
    return this._snapshot;
  }

-  async console(): Promise<playwright.ConsoleMessage[]> {
+  console(): playwright.ConsoleMessage[] {
    return this._console;
  }

+  requests(): Map<playwright.Request, playwright.Response | null> {
+    return this._requests;
+  }
+
  async captureSnapshot() {
    this._snapshot = await PageSnapshot.create(this.page);
  }
@@ -401,7 +413,7 @@ class PageSnapshot {

  private async _snapshotFrame(frame: playwright.Page | playwright.FrameLocator) {
    const frameIndex = this._frameLocators.push(frame) - 1;
-    const snapshotString = await frame.locator('body').ariaSnapshot({ ref: true });
+    const snapshotString = await frame.locator('body').ariaSnapshot({ ref: true, emitGeneric: true });
    const snapshot = yaml.parseDocument(snapshotString);

    const visit = async (node: any): Promise<unknown> => {
--- a/src/index.ts
+++ b/src/index.ts
@@ -26,6 +26,7 @@ import files from './tools/files';
 import install from './tools/install';
 import keyboard from './tools/keyboard';
 import navigate from './tools/navigate';
+import network from './tools/network';
 import pdf from './tools/pdf';
 import snapshot from './tools/snapshot';
 import tabs from './tools/tabs';
@@ -35,7 +36,7 @@ import type { Tool, ToolCapability } from './tools/tool';
 import type { Server } from '@modelcontextprotocol/sdk/server/index.js';
 import type { LaunchOptions } from 'playwright';

-const snapshotTools: Tool[] = [
+const snapshotTools: Tool<any>[] = [
  ...common(true),
  ...console,
  ...dialogs(true),
@@ -43,12 +44,13 @@ const snapshotTools: Tool[] = [
  ...install,
  ...keyboard(true),
  ...navigate(true),
+  ...network,
  ...pdf,
  ...snapshot,
  ...tabs(true),
 ];

-const screenshotTools: Tool[] = [
+const screenshotTools: Tool<any>[] = [
  ...common(false),
  ...console,
  ...dialogs(false),
@@ -56,6 +58,7 @@ const screenshotTools: Tool[] = [
  ...install,
  ...keyboard(false),
  ...navigate(false),
+  ...network,
  ...pdf,
  ...screen,
  ...tabs(false),
--- a/src/server.ts
+++ b/src/server.ts
@@ -16,6 +16,7 @@

 import { Server } from '@modelcontextprotocol/sdk/server/index.js';
 import { CallToolRequestSchema, ListResourcesRequestSchema, ListToolsRequestSchema, ReadResourceRequestSchema } from '@modelcontextprotocol/sdk/types.js';
+import { zodToJsonSchema } from 'zod-to-json-schema';

 import { Context } from './context';

@@ -41,7 +42,13 @@ export function createServerWithTools(options: Options): Server {
  });

  server.setRequestHandler(ListToolsRequestSchema, async () => {
-    return { tools: tools.map(tool => tool.schema) };
+    return {
+      tools: tools.map(tool => ({
+        name: tool.schema.name,
+        description: tool.schema.description,
+        inputSchema: zodToJsonSchema(tool.schema.inputSchema)
+      })),
+    };
  });

  server.setRequestHandler(ListResourcesRequestSchema, async () => {
--- a/src/tools/common.ts
+++ b/src/tools/common.ts
@@ -15,43 +15,36 @@
 */

 import { z } from 'zod';
-import { zodToJsonSchema } from 'zod-to-json-schema';
+import { defineTool, type ToolFactory } from './tool';

-import type { Tool, ToolFactory } from './tool';
-
-const waitSchema = z.object({
-  time: z.number().describe('The time to wait in seconds'),
-});
-
-const wait: ToolFactory = captureSnapshot => ({
+const wait: ToolFactory = captureSnapshot => defineTool({
  capability: 'wait',

  schema: {
    name: 'browser_wait',
    description: 'Wait for a specified time in seconds',
-    inputSchema: zodToJsonSchema(waitSchema),
+    inputSchema: z.object({
+      time: z.number().describe('The time to wait in seconds'),
+    }),
  },

  handle: async (context, params) => {
-    const validatedParams = waitSchema.parse(params);
-    await new Promise(f => setTimeout(f, Math.min(10000, validatedParams.time * 1000)));
+    await new Promise(f => setTimeout(f, Math.min(10000, params.time * 1000)));
    return {
-      code: [`// Waited for ${validatedParams.time} seconds`],
+      code: [`// Waited for ${params.time} seconds`],
      captureSnapshot,
      waitForNetwork: false,
    };
  },
 });

-const closeSchema = z.object({});
-
-const close: Tool = {
+const close = defineTool({
  capability: 'core',

  schema: {
    name: 'browser_close',
    description: 'Close the page',
-    inputSchema: zodToJsonSchema(closeSchema),
+    inputSchema: z.object({}),
  },

  handle: async context => {
@@ -62,33 +55,29 @@ const close: Tool = {
      waitForNetwork: false,
    };
  },
-};
-
-const resizeSchema = z.object({
-  width: z.number().describe('Width of the browser window'),
-  height: z.number().describe('Height of the browser window'),
 });

-const resize: ToolFactory = captureSnapshot => ({
+const resize: ToolFactory = captureSnapshot => defineTool({
  capability: 'core',
  schema: {
    name: 'browser_resize',
    description: 'Resize the browser window',
-    inputSchema: zodToJsonSchema(resizeSchema),
+    inputSchema: z.object({
+      width: z.number().describe('Width of the browser window'),
+      height: z.number().describe('Height of the browser window'),
+    }),
  },

  handle: async (context, params) => {
-    const validatedParams = resizeSchema.parse(params);
-
    const tab = context.currentTabOrDie();

    const code = [
-      `// Resize browser window to ${validatedParams.width}x${validatedParams.height}`,
-      `await page.setViewportSize({ width: ${validatedParams.width}, height: ${validatedParams.height} });`
+      `// Resize browser window to ${params.width}x${params.height}`,
+      `await page.setViewportSize({ width: ${params.width}, height: ${params.height} });`
    ];

    const action = async () => {
-      await tab.page.setViewportSize({ width: validatedParams.width, height: validatedParams.height });
+      await tab.page.setViewportSize({ width: params.width, height: params.height });
    };

    return {
--- a/src/tools/console.ts
+++ b/src/tools/console.ts
@@ -15,21 +15,17 @@
 */

 import { z } from 'zod';
-import { zodToJsonSchema } from 'zod-to-json-schema';
+import { defineTool } from './tool';

-import type { Tool } from './tool';
-
-const consoleSchema = z.object({});
-
-const console: Tool = {
+const console = defineTool({
  capability: 'core',
  schema: {
    name: 'browser_console_messages',
    description: 'Returns all console messages',
-    inputSchema: zodToJsonSchema(consoleSchema),
+    inputSchema: z.object({}),
  },
  handle: async context => {
-    const messages = await context.currentTabOrDie().console();
+    const messages = context.currentTabOrDie().console();
    const log = messages.map(message => `[${message.type().toUpperCase()}] ${message.text()}`).join('\n');
    return {
      code: [`// <internal code to get console messages>`],
@@ -42,7 +38,7 @@ const console: Tool = {
      waitForNetwork: false,
    };
  },
-};
+});

 export default [
  console,
--- a/src/tools/dialogs.ts
+++ b/src/tools/dialogs.ts
@@ -15,32 +15,27 @@
 */

 import { z } from 'zod';
-import { zodToJsonSchema } from 'zod-to-json-schema';
+import { defineTool, type ToolFactory } from './tool';

-import type { ToolFactory } from './tool';
-
-const handleDialogSchema = z.object({
-  accept: z.boolean().describe('Whether to accept the dialog.'),
-  promptText: z.string().optional().describe('The text of the prompt in case of a prompt dialog.'),
-});
-
-const handleDialog: ToolFactory = captureSnapshot => ({
+const handleDialog: ToolFactory = captureSnapshot => defineTool({
  capability: 'core',

  schema: {
    name: 'browser_handle_dialog',
    description: 'Handle a dialog',
-    inputSchema: zodToJsonSchema(handleDialogSchema),
+    inputSchema: z.object({
+      accept: z.boolean().describe('Whether to accept the dialog.'),
+      promptText: z.string().optional().describe('The text of the prompt in case of a prompt dialog.'),
+    }),
  },

  handle: async (context, params) => {
-    const validatedParams = handleDialogSchema.parse(params);
    const dialogState = context.modalStates().find(state => state.type === 'dialog');
    if (!dialogState)
      throw new Error('No dialog visible');

-    if (validatedParams.accept)
-      await dialogState.dialog.accept(validatedParams.promptText);
+    if (params.accept)
+      await dialogState.dialog.accept(params.promptText);
    else
      await dialogState.dialog.dismiss();

--- a/src/tools/files.ts
+++ b/src/tools/files.ts
@@ -15,35 +15,30 @@
 */

 import { z } from 'zod';
-import { zodToJsonSchema } from 'zod-to-json-schema';
+import { defineTool, type ToolFactory } from './tool';

-import type { ToolFactory } from './tool';
-
-const uploadFileSchema = z.object({
-  paths: z.array(z.string()).describe('The absolute paths to the files to upload. Can be a single file or multiple files.'),
-});
-
-const uploadFile: ToolFactory = captureSnapshot => ({
+const uploadFile: ToolFactory = captureSnapshot => defineTool({
  capability: 'files',

  schema: {
    name: 'browser_file_upload',
    description: 'Upload one or multiple files',
-    inputSchema: zodToJsonSchema(uploadFileSchema),
+    inputSchema: z.object({
+      paths: z.array(z.string()).describe('The absolute paths to the files to upload. Can be a single file or multiple files.'),
+    }),
  },

  handle: async (context, params) => {
-    const validatedParams = uploadFileSchema.parse(params);
    const modalState = context.modalStates().find(state => state.type === 'fileChooser');
    if (!modalState)
      throw new Error('No file chooser visible');

    const code = [
-      `// <internal code to chose files ${validatedParams.paths.join(', ')}`,
+      `// <internal code to chose files ${params.paths.join(', ')}`,
    ];

    const action = async () => {
-      await modalState.fileChooser.setFiles(validatedParams.paths);
+      await modalState.fileChooser.setFiles(params.paths);
      context.clearModalState(modalState);
    };

--- a/src/tools/install.ts
+++ b/src/tools/install.ts
@@ -18,16 +18,14 @@ import { fork } from 'child_process';
 import path from 'path';

 import { z } from 'zod';
-import { zodToJsonSchema } from 'zod-to-json-schema';
+import { defineTool } from './tool';

-import type { Tool } from './tool';
-
-const install: Tool = {
+const install = defineTool({
  capability: 'install',
  schema: {
    name: 'browser_install',
    description: 'Install the browser specified in the config. Call this if you get an error about the browser not being installed.',
-    inputSchema: zodToJsonSchema(z.object({})),
+    inputSchema: z.object({}),
  },

  handle: async context => {
@@ -53,7 +51,7 @@ const install: Tool = {
      waitForNetwork: false,
    };
  },
-};
+});

 export default [
  install,
--- a/src/tools/keyboard.ts
+++ b/src/tools/keyboard.ts
@@ -15,33 +15,28 @@
 */

 import { z } from 'zod';
-import zodToJsonSchema from 'zod-to-json-schema';
+import { defineTool, type ToolFactory } from './tool';

-import type { ToolFactory } from './tool';
-
-const pressKeySchema = z.object({
-  key: z.string().describe('Name of the key to press or a character to generate, such as `ArrowLeft` or `a`'),
-});
-
-const pressKey: ToolFactory = captureSnapshot => ({
+const pressKey: ToolFactory = captureSnapshot => defineTool({
  capability: 'core',

  schema: {
    name: 'browser_press_key',
    description: 'Press a key on the keyboard',
-    inputSchema: zodToJsonSchema(pressKeySchema),
+    inputSchema: z.object({
+      key: z.string().describe('Name of the key to press or a character to generate, such as `ArrowLeft` or `a`'),
+    }),
  },

  handle: async (context, params) => {
-    const validatedParams = pressKeySchema.parse(params);
    const tab = context.currentTabOrDie();

    const code = [
-      `// Press ${validatedParams.key}`,
-      `await page.keyboard.press('${validatedParams.key}');`,
+      `// Press ${params.key}`,
+      `await page.keyboard.press('${params.key}');`,
    ];

-    const action = () => tab.page.keyboard.press(validatedParams.key);
+    const action = () => tab.page.keyboard.press(params.key);

    return {
      code,
--- a/src/tools/navigate.ts
+++ b/src/tools/navigate.ts
@@ -15,31 +15,26 @@
 */

 import { z } from 'zod';
-import { zodToJsonSchema } from 'zod-to-json-schema';
+import { defineTool, type ToolFactory } from './tool';

-import type { ToolFactory } from './tool';
-
-const navigateSchema = z.object({
-  url: z.string().describe('The URL to navigate to'),
-});
-
-const navigate: ToolFactory = captureSnapshot => ({
+const navigate: ToolFactory = captureSnapshot => defineTool({
  capability: 'core',

  schema: {
    name: 'browser_navigate',
    description: 'Navigate to a URL',
-    inputSchema: zodToJsonSchema(navigateSchema),
+    inputSchema: z.object({
+      url: z.string().describe('The URL to navigate to'),
+    }),
  },

  handle: async (context, params) => {
-    const validatedParams = navigateSchema.parse(params);
    const tab = await context.ensureTab();
-    await tab.navigate(validatedParams.url);
+    await tab.navigate(params.url);

    const code = [
-      `// Navigate to ${validatedParams.url}`,
-      `await page.goto('${validatedParams.url}');`,
+      `// Navigate to ${params.url}`,
+      `await page.goto('${params.url}');`,
    ];

    return {
@@ -50,14 +45,12 @@ const navigate: ToolFactory = captureSnapshot => ({
  },
 });

-const goBackSchema = z.object({});
-
-const goBack: ToolFactory = captureSnapshot => ({
+const goBack: ToolFactory = captureSnapshot => defineTool({
  capability: 'history',
  schema: {
    name: 'browser_navigate_back',
    description: 'Go back to the previous page',
-    inputSchema: zodToJsonSchema(goBackSchema),
+    inputSchema: z.object({}),
  },

  handle: async context => {
@@ -76,14 +69,12 @@ const goBack: ToolFactory = captureSnapshot => ({
  },
 });

-const goForwardSchema = z.object({});
-
-const goForward: ToolFactory = captureSnapshot => ({
+const goForward: ToolFactory = captureSnapshot => defineTool({
  capability: 'history',
  schema: {
    name: 'browser_navigate_forward',
    description: 'Go forward to the next page',
-    inputSchema: zodToJsonSchema(goForwardSchema),
+    inputSchema: z.object({}),
  },
  handle: async context => {
    const tab = context.currentTabOrDie();
--- a/src/tools/network.ts
+++ b/src/tools/network.ts
@@ -0,0 +1,57 @@
+/**
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { z } from 'zod';
+import { defineTool } from './tool';
+
+import type * as playwright from 'playwright';
+
+const requests = defineTool({
+  capability: 'core',
+
+  schema: {
+    name: 'browser_network_requests',
+    description: 'Returns all network requests since loading the page',
+    inputSchema: z.object({}),
+  },
+
+  handle: async context => {
+    const requests = context.currentTabOrDie().requests();
+    const log = [...requests.entries()].map(([request, response]) => renderRequest(request, response)).join('\n');
+    return {
+      code: [`// <internal code to list network requests>`],
+      action: async () => {
+        return {
+          content: [{ type: 'text', text: log }]
+        };
+      },
+      captureSnapshot: false,
+      waitForNetwork: false,
+    };
+  },
+});
+
+function renderRequest(request: playwright.Request, response: playwright.Response | null) {
+  const result: string[] = [];
+  result.push(`[${request.method().toUpperCase()}] ${request.url()}`);
+  if (response)
+    result.push(`=> [${response.status()}] ${response.statusText()}`);
+  return result.join(' ');
+}
+
+export default [
+  requests,
+];
--- a/src/tools/pdf.ts
+++ b/src/tools/pdf.ts
@@ -18,22 +18,18 @@ import os from 'os';
 import path from 'path';

 import { z } from 'zod';
-import { zodToJsonSchema } from 'zod-to-json-schema';
+import { defineTool } from './tool';

 import { sanitizeForFilePath } from './utils';
 import * as javascript from '../javascript';

-import type { Tool } from './tool';
-
-const pdfSchema = z.object({});
-
-const pdf: Tool = {
+const pdf = defineTool({
  capability: 'pdf',

  schema: {
    name: 'browser_pdf_save',
    description: 'Save page as PDF',
-    inputSchema: zodToJsonSchema(pdfSchema),
+    inputSchema: z.object({}),
  },

  handle: async context => {
@@ -52,7 +48,7 @@ const pdf: Tool = {
      waitForNetwork: false,
    };
  },
-};
+});

 export default [
  pdf,
--- a/src/tools/screen.ts
+++ b/src/tools/screen.ts
@@ -15,18 +15,20 @@
 */

 import { z } from 'zod';
-import { zodToJsonSchema } from 'zod-to-json-schema';
+import { defineTool } from './tool';

 import * as javascript from '../javascript';

-import type { Tool } from './tool';
+const elementSchema = z.object({
+  element: z.string().describe('Human-readable element description used to obtain permission to interact with the element'),
+});

-const screenshot: Tool = {
+const screenshot = defineTool({
  capability: 'core',
  schema: {
    name: 'browser_screen_capture',
    description: 'Take a screenshot of the current page',
-    inputSchema: zodToJsonSchema(z.object({})),
+    inputSchema: z.object({}),
  },

  handle: async context => {
@@ -51,33 +53,26 @@ const screenshot: Tool = {
      waitForNetwork: false
    };
  },
-};
-
-const elementSchema = z.object({
-  element: z.string().describe('Human-readable element description used to obtain permission to interact with the element'),
 });

-const moveMouseSchema = elementSchema.extend({
-  x: z.number().describe('X coordinate'),
-  y: z.number().describe('Y coordinate'),
-});
-
-const moveMouse: Tool = {
+const moveMouse = defineTool({
  capability: 'core',
  schema: {
    name: 'browser_screen_move_mouse',
    description: 'Move mouse to a given position',
-    inputSchema: zodToJsonSchema(moveMouseSchema),
+    inputSchema: elementSchema.extend({
+      x: z.number().describe('X coordinate'),
+      y: z.number().describe('Y coordinate'),
+    }),
  },

  handle: async (context, params) => {
-    const validatedParams = moveMouseSchema.parse(params);
    const tab = context.currentTabOrDie();
    const code = [
-      `// Move mouse to (${validatedParams.x}, ${validatedParams.y})`,
-      `await page.mouse.move(${validatedParams.x}, ${validatedParams.y});`,
+      `// Move mouse to (${params.x}, ${params.y})`,
+      `await page.mouse.move(${params.x}, ${params.y});`,
    ];
-    const action = () => tab.page.mouse.move(validatedParams.x, validatedParams.y);
+    const action = () => tab.page.mouse.move(params.x, params.y);
    return {
      code,
      action,
@@ -85,32 +80,29 @@ const moveMouse: Tool = {
      waitForNetwork: false
    };
  },
-};
-
-const clickSchema = elementSchema.extend({
-  x: z.number().describe('X coordinate'),
-  y: z.number().describe('Y coordinate'),
 });

-const click: Tool = {
+const click = defineTool({
  capability: 'core',
  schema: {
    name: 'browser_screen_click',
    description: 'Click left mouse button',
-    inputSchema: zodToJsonSchema(clickSchema),
+    inputSchema: elementSchema.extend({
+      x: z.number().describe('X coordinate'),
+      y: z.number().describe('Y coordinate'),
+    }),
  },

  handle: async (context, params) => {
-    const validatedParams = clickSchema.parse(params);
    const tab = context.currentTabOrDie();
    const code = [
-      `// Click mouse at coordinates (${validatedParams.x}, ${validatedParams.y})`,
-      `await page.mouse.move(${validatedParams.x}, ${validatedParams.y});`,
+      `// Click mouse at coordinates (${params.x}, ${params.y})`,
+      `await page.mouse.move(${params.x}, ${params.y});`,
      `await page.mouse.down();`,
      `await page.mouse.up();`,
    ];
    const action = async () => {
-      await tab.page.mouse.move(validatedParams.x, validatedParams.y);
+      await tab.page.mouse.move(params.x, params.y);
      await tab.page.mouse.down();
      await tab.page.mouse.up();
    };
@@ -121,40 +113,37 @@ const click: Tool = {
      waitForNetwork: true,
    };
  },
-};
-
-const dragSchema = elementSchema.extend({
-  startX: z.number().describe('Start X coordinate'),
-  startY: z.number().describe('Start Y coordinate'),
-  endX: z.number().describe('End X coordinate'),
-  endY: z.number().describe('End Y coordinate'),
 });

-const drag: Tool = {
+const drag = defineTool({
  capability: 'core',

  schema: {
    name: 'browser_screen_drag',
    description: 'Drag left mouse button',
-    inputSchema: zodToJsonSchema(dragSchema),
+    inputSchema: elementSchema.extend({
+      startX: z.number().describe('Start X coordinate'),
+      startY: z.number().describe('Start Y coordinate'),
+      endX: z.number().describe('End X coordinate'),
+      endY: z.number().describe('End Y coordinate'),
+    }),
  },

  handle: async (context, params) => {
-    const validatedParams = dragSchema.parse(params);
    const tab = context.currentTabOrDie();

    const code = [
-      `// Drag mouse from (${validatedParams.startX}, ${validatedParams.startY}) to (${validatedParams.endX}, ${validatedParams.endY})`,
-      `await page.mouse.move(${validatedParams.startX}, ${validatedParams.startY});`,
+      `// Drag mouse from (${params.startX}, ${params.startY}) to (${params.endX}, ${params.endY})`,
+      `await page.mouse.move(${params.startX}, ${params.startY});`,
      `await page.mouse.down();`,
-      `await page.mouse.move(${validatedParams.endX}, ${validatedParams.endY});`,
+      `await page.mouse.move(${params.endX}, ${params.endY});`,
      `await page.mouse.up();`,
    ];

    const action = async () => {
-      await tab.page.mouse.move(validatedParams.startX, validatedParams.startY);
+      await tab.page.mouse.move(params.startX, params.startY);
      await tab.page.mouse.down();
-      await tab.page.mouse.move(validatedParams.endX, validatedParams.endY);
+      await tab.page.mouse.move(params.endX, params.endY);
      await tab.page.mouse.up();
    };

@@ -165,38 +154,35 @@ const drag: Tool = {
      waitForNetwork: true,
    };
  },
-};
-
-const typeSchema = z.object({
-  text: z.string().describe('Text to type into the element'),
-  submit: z.boolean().optional().describe('Whether to submit entered text (press Enter after)'),
 });

-const type: Tool = {
+const type = defineTool({
  capability: 'core',

  schema: {
    name: 'browser_screen_type',
    description: 'Type text',
-    inputSchema: zodToJsonSchema(typeSchema),
+    inputSchema: z.object({
+      text: z.string().describe('Text to type into the element'),
+      submit: z.boolean().optional().describe('Whether to submit entered text (press Enter after)'),
+    }),
  },

  handle: async (context, params) => {
-    const validatedParams = typeSchema.parse(params);
    const tab = context.currentTabOrDie();

    const code = [
-      `// Type ${validatedParams.text}`,
-      `await page.keyboard.type('${validatedParams.text}');`,
+      `// Type ${params.text}`,
+      `await page.keyboard.type('${params.text}');`,
    ];

    const action = async () => {
-      await tab.page.keyboard.type(validatedParams.text);
-      if (validatedParams.submit)
+      await tab.page.keyboard.type(params.text);
+      if (params.submit)
        await tab.page.keyboard.press('Enter');
    };

-    if (validatedParams.submit) {
+    if (params.submit) {
      code.push(`// Submit text`);
      code.push(`await page.keyboard.press('Enter');`);
    }
@@ -208,7 +194,7 @@ const type: Tool = {
      waitForNetwork: true,
    };
  },
-};
+});

 export default [
  screenshot,
--- a/src/tools/snapshot.ts
+++ b/src/tools/snapshot.ts
@@ -18,21 +18,20 @@ import path from 'path';
 import os from 'os';

 import { z } from 'zod';
-import zodToJsonSchema from 'zod-to-json-schema';

 import { sanitizeForFilePath } from './utils';
 import { generateLocator } from '../context';
 import * as javascript from '../javascript';

 import type * as playwright from 'playwright';
-import type { Tool } from './tool';
+import { defineTool } from './tool';

-const snapshot: Tool = {
+const snapshot = defineTool({
  capability: 'core',
  schema: {
    name: 'browser_snapshot',
    description: 'Capture accessibility snapshot of the current page, this is better than screenshot',
-    inputSchema: zodToJsonSchema(z.object({})),
+    inputSchema: z.object({}),
  },

  handle: async context => {
@@ -44,28 +43,27 @@ const snapshot: Tool = {
      waitForNetwork: false,
    };
  },
-};
+});

 const elementSchema = z.object({
  element: z.string().describe('Human-readable element description used to obtain permission to interact with the element'),
  ref: z.string().describe('Exact target element reference from the page snapshot'),
 });

-const click: Tool = {
+const click = defineTool({
  capability: 'core',
  schema: {
    name: 'browser_click',
    description: 'Perform click on a web page',
-    inputSchema: zodToJsonSchema(elementSchema),
+    inputSchema: elementSchema,
  },

  handle: async (context, params) => {
-    const validatedParams = elementSchema.parse(params);
    const tab = context.currentTabOrDie();
-    const locator = tab.snapshotOrDie().refLocator(validatedParams.ref);
+    const locator = tab.snapshotOrDie().refLocator(params.ref);

    const code = [
-      `// Click ${validatedParams.element}`,
+      `// Click ${params.element}`,
      `await page.${await generateLocator(locator)}.click();`
    ];

@@ -76,31 +74,28 @@ const click: Tool = {
      waitForNetwork: true,
    };
  },
-};
-
-const dragSchema = z.object({
-  startElement: z.string().describe('Human-readable source element description used to obtain the permission to interact with the element'),
-  startRef: z.string().describe('Exact source element reference from the page snapshot'),
-  endElement: z.string().describe('Human-readable target element description used to obtain the permission to interact with the element'),
-  endRef: z.string().describe('Exact target element reference from the page snapshot'),
 });

-const drag: Tool = {
+const drag = defineTool({
  capability: 'core',
  schema: {
    name: 'browser_drag',
    description: 'Perform drag and drop between two elements',
-    inputSchema: zodToJsonSchema(dragSchema),
+    inputSchema: z.object({
+      startElement: z.string().describe('Human-readable source element description used to obtain the permission to interact with the element'),
+      startRef: z.string().describe('Exact source element reference from the page snapshot'),
+      endElement: z.string().describe('Human-readable target element description used to obtain the permission to interact with the element'),
+      endRef: z.string().describe('Exact target element reference from the page snapshot'),
+    }),
  },

  handle: async (context, params) => {
-    const validatedParams = dragSchema.parse(params);
    const snapshot = context.currentTabOrDie().snapshotOrDie();
-    const startLocator = snapshot.refLocator(validatedParams.startRef);
-    const endLocator = snapshot.refLocator(validatedParams.endRef);
+    const startLocator = snapshot.refLocator(params.startRef);
+    const endLocator = snapshot.refLocator(params.endRef);

    const code = [
-      `// Drag ${validatedParams.startElement} to ${validatedParams.endElement}`,
+      `// Drag ${params.startElement} to ${params.endElement}`,
      `await page.${await generateLocator(startLocator)}.dragTo(page.${await generateLocator(endLocator)});`
    ];

@@ -111,23 +106,22 @@ const drag: Tool = {
      waitForNetwork: true,
    };
  },
-};
+});

-const hover: Tool = {
+const hover = defineTool({
  capability: 'core',
  schema: {
    name: 'browser_hover',
    description: 'Hover over element on page',
-    inputSchema: zodToJsonSchema(elementSchema),
+    inputSchema: elementSchema,
  },

  handle: async (context, params) => {
-    const validatedParams = elementSchema.parse(params);
    const snapshot = context.currentTabOrDie().snapshotOrDie();
-    const locator = snapshot.refLocator(validatedParams.ref);
+    const locator = snapshot.refLocator(params.ref);

    const code = [
-      `// Hover over ${validatedParams.element}`,
+      `// Hover over ${params.element}`,
      `await page.${await generateLocator(locator)}.hover();`
    ];

@@ -138,7 +132,7 @@ const hover: Tool = {
      waitForNetwork: true,
    };
  },
-};
+});

 const typeSchema = elementSchema.extend({
  text: z.string().describe('Text to type into the element'),
@@ -146,33 +140,32 @@ const typeSchema = elementSchema.extend({
  slowly: z.boolean().optional().describe('Whether to type one character at a time. Useful for triggering key handlers in the page. By default entire text is filled in at once.'),
 });

-const type: Tool = {
+const type = defineTool({
  capability: 'core',
  schema: {
    name: 'browser_type',
    description: 'Type text into editable element',
-    inputSchema: zodToJsonSchema(typeSchema),
+    inputSchema: typeSchema,
  },

  handle: async (context, params) => {
-    const validatedParams = typeSchema.parse(params);
    const snapshot = context.currentTabOrDie().snapshotOrDie();
-    const locator = snapshot.refLocator(validatedParams.ref);
+    const locator = snapshot.refLocator(params.ref);

    const code: string[] = [];
    const steps: (() => Promise<void>)[] = [];

-    if (validatedParams.slowly) {
-      code.push(`// Press "${validatedParams.text}" sequentially into "${validatedParams.element}"`);
-      code.push(`await page.${await generateLocator(locator)}.pressSequentially(${javascript.quote(validatedParams.text)});`);
-      steps.push(() => locator.pressSequentially(validatedParams.text));
+    if (params.slowly) {
+      code.push(`// Press "${params.text}" sequentially into "${params.element}"`);
+      code.push(`await page.${await generateLocator(locator)}.pressSequentially(${javascript.quote(params.text)});`);
+      steps.push(() => locator.pressSequentially(params.text));
    } else {
-      code.push(`// Fill "${validatedParams.text}" into "${validatedParams.element}"`);
-      code.push(`await page.${await generateLocator(locator)}.fill(${javascript.quote(validatedParams.text)});`);
-      steps.push(() => locator.fill(validatedParams.text));
+      code.push(`// Fill "${params.text}" into "${params.element}"`);
+      code.push(`await page.${await generateLocator(locator)}.fill(${javascript.quote(params.text)});`);
+      steps.push(() => locator.fill(params.text));
    }

-    if (validatedParams.submit) {
+    if (params.submit) {
      code.push(`// Submit text`);
      code.push(`await page.${await generateLocator(locator)}.press('Enter');`);
      steps.push(() => locator.press('Enter'));
@@ -185,38 +178,37 @@ const type: Tool = {
      waitForNetwork: true,
    };
  },
-};
+});

 const selectOptionSchema = elementSchema.extend({
  values: z.array(z.string()).describe('Array of values to select in the dropdown. This can be a single value or multiple values.'),
 });

-const selectOption: Tool = {
+const selectOption = defineTool({
  capability: 'core',
  schema: {
    name: 'browser_select_option',
    description: 'Select an option in a dropdown',
-    inputSchema: zodToJsonSchema(selectOptionSchema),
+    inputSchema: selectOptionSchema,
  },

  handle: async (context, params) => {
-    const validatedParams = selectOptionSchema.parse(params);
    const snapshot = context.currentTabOrDie().snapshotOrDie();
-    const locator = snapshot.refLocator(validatedParams.ref);
+    const locator = snapshot.refLocator(params.ref);

    const code = [
-      `// Select options [${validatedParams.values.join(', ')}] in ${validatedParams.element}`,
-      `await page.${await generateLocator(locator)}.selectOption(${javascript.formatObject(validatedParams.values)});`
+      `// Select options [${params.values.join(', ')}] in ${params.element}`,
+      `await page.${await generateLocator(locator)}.selectOption(${javascript.formatObject(params.values)});`
    ];

    return {
      code,
-      action: () => locator.selectOption(validatedParams.values).then(() => {}),
+      action: () => locator.selectOption(params.values).then(() => {}),
      captureSnapshot: true,
      waitForNetwork: true,
    };
  },
-};
+});

 const screenshotSchema = z.object({
  raw: z.boolean().optional().describe('Whether to return without compression (in PNG format). Default is false, which returns a JPEG image.'),
@@ -229,28 +221,27 @@ const screenshotSchema = z.object({
  path: ['ref', 'element']
 });

-const screenshot: Tool = {
+const screenshot = defineTool({
  capability: 'core',
  schema: {
    name: 'browser_take_screenshot',
    description: `Take a screenshot of the current page. You can't perform actions based on the screenshot, use browser_snapshot for actions.`,
-    inputSchema: zodToJsonSchema(screenshotSchema),
+    inputSchema: screenshotSchema,
  },

  handle: async (context, params) => {
-    const validatedParams = screenshotSchema.parse(params);
    const tab = context.currentTabOrDie();
    const snapshot = tab.snapshotOrDie();
-    const fileType = validatedParams.raw ? 'png' : 'jpeg';
+    const fileType = params.raw ? 'png' : 'jpeg';
    const fileName = path.join(os.tmpdir(), sanitizeForFilePath(`page-${new Date().toISOString()}`)) + `.${fileType}`;
    const options: playwright.PageScreenshotOptions = { type: fileType, quality: fileType === 'png' ? undefined : 50, scale: 'css', path: fileName };
-    const isElementScreenshot = validatedParams.element && validatedParams.ref;
+    const isElementScreenshot = params.element && params.ref;

    const code = [
-      `// Screenshot ${isElementScreenshot ? validatedParams.element : 'viewport'} and save it as ${fileName}`,
+      `// Screenshot ${isElementScreenshot ? params.element : 'viewport'} and save it as ${fileName}`,
    ];

-    const locator = validatedParams.ref ? snapshot.refLocator(validatedParams.ref) : null;
+    const locator = params.ref ? snapshot.refLocator(params.ref) : null;

    if (locator)
      code.push(`await page.${await generateLocator(locator)}.screenshot(${javascript.formatObject(options)});`);
@@ -275,7 +266,7 @@ const screenshot: Tool = {
      waitForNetwork: false,
    };
  }
-};
+});


 export default [
--- a/src/tools/tabs.ts
+++ b/src/tools/tabs.ts
@@ -15,17 +15,15 @@
 */

 import { z } from 'zod';
-import { zodToJsonSchema } from 'zod-to-json-schema';
+import { defineTool, type ToolFactory } from './tool';

-import type { ToolFactory, Tool } from './tool';
-
-const listTabs: Tool = {
+const listTabs = defineTool({
  capability: 'tabs',

  schema: {
    name: 'browser_tab_list',
    description: 'List browser tabs',
-    inputSchema: zodToJsonSchema(z.object({})),
+    inputSchema: z.object({}),
  },

  handle: async context => {
@@ -42,26 +40,23 @@ const listTabs: Tool = {
      },
    };
  },
-};
-
-const selectTabSchema = z.object({
-  index: z.number().describe('The index of the tab to select'),
 });

-const selectTab: ToolFactory = captureSnapshot => ({
+const selectTab: ToolFactory = captureSnapshot => defineTool({
  capability: 'tabs',

  schema: {
    name: 'browser_tab_select',
    description: 'Select a tab by index',
-    inputSchema: zodToJsonSchema(selectTabSchema),
+    inputSchema: z.object({
+      index: z.number().describe('The index of the tab to select'),
+    }),
  },

  handle: async (context, params) => {
-    const validatedParams = selectTabSchema.parse(params);
-    await context.selectTab(validatedParams.index);
+    await context.selectTab(params.index);
    const code = [
-      `// <internal code to select tab ${validatedParams.index}>`,
+      `// <internal code to select tab ${params.index}>`,
    ];

    return {
@@ -72,24 +67,21 @@ const selectTab: ToolFactory = captureSnapshot => ({
  },
 });

-const newTabSchema = z.object({
-  url: z.string().optional().describe('The URL to navigate to in the new tab. If not provided, the new tab will be blank.'),
-});
-
-const newTab: ToolFactory = captureSnapshot => ({
+const newTab: ToolFactory = captureSnapshot => defineTool({
  capability: 'tabs',

  schema: {
    name: 'browser_tab_new',
    description: 'Open a new tab',
-    inputSchema: zodToJsonSchema(newTabSchema),
+    inputSchema: z.object({
+      url: z.string().optional().describe('The URL to navigate to in the new tab. If not provided, the new tab will be blank.'),
+    }),
  },

  handle: async (context, params) => {
-    const validatedParams = newTabSchema.parse(params);
    await context.newTab();
-    if (validatedParams.url)
-      await context.currentTabOrDie().navigate(validatedParams.url);
+    if (params.url)
+      await context.currentTabOrDie().navigate(params.url);

    const code = [
      `// <internal code to open a new tab>`,
@@ -102,24 +94,21 @@ const newTab: ToolFactory = captureSnapshot => ({
  },
 });

-const closeTabSchema = z.object({
-  index: z.number().optional().describe('The index of the tab to close. Closes current tab if not provided.'),
-});
-
-const closeTab: ToolFactory = captureSnapshot => ({
+const closeTab: ToolFactory = captureSnapshot => defineTool({
  capability: 'tabs',

  schema: {
    name: 'browser_tab_close',
    description: 'Close a tab',
-    inputSchema: zodToJsonSchema(closeTabSchema),
+    inputSchema: z.object({
+      index: z.number().optional().describe('The index of the tab to close. Closes current tab if not provided.'),
+    }),
  },

  handle: async (context, params) => {
-    const validatedParams = closeTabSchema.parse(params);
-    await context.closeTab(validatedParams.index);
+    await context.closeTab(params.index);
    const code = [
-      `// <internal code to close tab ${validatedParams.index}>`,
+      `// <internal code to close tab ${params.index}>`,
    ];
    return {
      code,
--- a/src/tools/tool.ts
+++ b/src/tools/tool.ts
@@ -15,17 +15,19 @@
 */

 import type { ImageContent, TextContent } from '@modelcontextprotocol/sdk/types';
-import type { JsonSchema7Type } from 'zod-to-json-schema';
+import type { z } from 'zod';
 import type { Context } from '../context';
 import type * as playwright from 'playwright';
 export type ToolCapability = 'core' | 'tabs' | 'pdf' | 'history' | 'wait' | 'files' | 'install';

-export type ToolSchema = {
+export type ToolSchema<Input extends InputType> = {
  name: string;
  description: string;
-  inputSchema: JsonSchema7Type;
+  inputSchema: Input;
 };

+type InputType = z.Schema;
+
 export type FileUploadModalState = {
  type: 'fileChooser';
  description: string;
@@ -50,11 +52,15 @@ export type ToolResult = {
  resultOverride?: ToolActionResult;
 };

-export type Tool = {
+export type Tool<Input extends InputType = InputType> = {
  capability: ToolCapability;
-  schema: ToolSchema;
+  schema: ToolSchema<Input>;
  clearsModalState?: ModalState['type'];
-  handle: (context: Context, params?: Record<string, any>) => Promise<ToolResult>;
+  handle: (context: Context, params: z.output<Input>) => Promise<ToolResult>;
 };

-export type ToolFactory = (snapshot: boolean) => Tool;
+export type ToolFactory = (snapshot: boolean) => Tool<any>;
+
+export function defineTool<Input extends InputType>(tool: Tool<Input>): Tool<Input> {
+  return tool;
+}
--- a/tests/capabilities.spec.ts
+++ b/tests/capabilities.spec.ts
@@ -32,6 +32,7 @@ test('test snapshot tool list', async ({ client }) => {
    'browser_navigate_back',
    'browser_navigate_forward',
    'browser_navigate',
+    'browser_network_requests',
    'browser_pdf_save',
    'browser_press_key',
    'browser_resize',
@@ -56,6 +57,7 @@ test('test vision tool list', async ({ visionClient }) => {
    'browser_navigate_back',
    'browser_navigate_forward',
    'browser_navigate',
+    'browser_network_requests',
    'browser_pdf_save',
    'browser_press_key',
    'browser_resize',
--- a/tests/core.spec.ts
+++ b/tests/core.spec.ts
@@ -96,8 +96,8 @@ await page.getByRole('combobox').selectOption(['bar']);
 - Page Snapshot
 \`\`\`yaml
 - combobox [ref=s2e3]:
-  - option "Foo" [ref=s2e4]
-  - option "Bar" [selected] [ref=s2e5]
+  - option "Foo"
+  - option "Bar" [selected]
 \`\`\`
 `);
 });
@@ -206,5 +206,5 @@ test('browser_resize', async ({ client }) => {
 // Resize browser window to 390x780
 await page.setViewportSize({ width: 390, height: 780 });
 \`\`\``);
-  await expect.poll(() => client.callTool({ name: 'browser_snapshot' })).toContainTextContent('Window size: 390x780');
+  await expect.poll(() => client.callTool({ name: 'browser_snapshot', arguments: {} })).toContainTextContent('Window size: 390x780');
 });
--- a/tests/files.spec.ts
+++ b/tests/files.spec.ts
@@ -23,7 +23,12 @@ test('browser_file_upload', async ({ client }) => {
    arguments: {
      url: 'data:text/html,<html><title>Title</title><input type="file" /><button>Button</button></html>',
    },
-  })).toContainTextContent('- textbox [ref=s1e3]');
+  })).toContainTextContent(`
+\`\`\`yaml
+- generic [ref=s1e2]:
+  - button "Choose File" [ref=s1e3]
+  - button "Button" [ref=s1e4]
+\`\`\``);

  expect(await client.callTool({
    name: 'browser_click',
@@ -46,7 +51,12 @@ test('browser_file_upload', async ({ client }) => {
    });

    expect(response).not.toContainTextContent('### Modal state');
-    expect(response).toContainTextContent('textbox [ref=s3e3]: C:\\fakepath\\test.txt');
+    expect(response).toContainTextContent(`
+\`\`\`yaml
+- generic [ref=s3e2]:
+  - button "Choose File" [ref=s3e3]
+  - button "Button" [ref=s3e4]
+\`\`\``);
  }

  {
--- a/tests/fixtures.ts
+++ b/tests/fixtures.ts
@@ -21,6 +21,7 @@ import { test as baseTest, expect as baseExpect } from '@playwright/test';
 import { StdioClientTransport } from '@modelcontextprotocol/sdk/client/stdio.js';
 import { Client } from '@modelcontextprotocol/sdk/client/index.js';
 import { spawn } from 'child_process';
+import { TestServer } from './testserver';

 type TestFixtures = {
  client: Client;
@@ -28,11 +29,14 @@ type TestFixtures = {
  startClient: (options?: { args?: string[] }) => Promise<Client>;
  wsEndpoint: string;
  cdpEndpoint: string;
+  server: TestServer;
+  httpsServer: TestServer;
 };

 type WorkerFixtures = {
  mcpHeadless: boolean;
  mcpBrowser: string | undefined;
+  _workerServers: { server: TestServer, httpsServer: TestServer };
 };

 export const test = baseTest.extend<TestFixtures, WorkerFixtures>({
@@ -103,7 +107,32 @@ export const test = baseTest.extend<TestFixtures, WorkerFixtures>({
    await use(headless);
  }, { scope: 'worker' }],

-  mcpBrowser: ['chromium', { option: true, scope: 'worker' }],
+  mcpBrowser: ['chrome', { option: true, scope: 'worker' }],
+
+  _workerServers: [async ({}, use, workerInfo) => {
+    const port = 8907 + workerInfo.workerIndex * 4;
+    const server = await TestServer.create(port);
+
+    const httpsPort = port + 1;
+    const httpsServer = await TestServer.createHTTPS(httpsPort);
+
+    await use({ server, httpsServer });
+
+    await Promise.all([
+      server.stop(),
+      httpsServer.stop(),
+    ]);
+  }, { scope: 'worker' }],
+
+  server: async ({ _workerServers }, use) => {
+    _workerServers.server.reset();
+    await use(_workerServers.server);
+  },
+
+  httpsServer: async ({ _workerServers }, use) => {
+    _workerServers.httpsServer.reset();
+    await use(_workerServers.httpsServer);
+  },
 });

 type Response = Awaited<ReturnType<Client['callTool']>>;
--- a/tests/iframes.spec.ts
+++ b/tests/iframes.spec.ts
@@ -24,12 +24,14 @@ test('stitched aria frames', async ({ client }) => {
    },
  })).toContainTextContent(`
 \`\`\`yaml
- heading "Hello" [level=1] [ref=s1e3]
- iframe [ref=s1e4]:
-  - button "World" [ref=f1s1e3]
-  - main [ref=f1s1e4]:
-    - iframe [ref=f1s1e5]:
-      - paragraph [ref=f2s1e3]: Nested
+- generic [ref=s1e2]:
+  - heading "Hello" [level=1] [ref=s1e3]
+  - iframe [ref=s1e4]:
+    - generic [ref=f1s1e2]:
+      - button "World" [ref=f1s1e3]
+      - main [ref=f1s1e4]:
+        - iframe [ref=f1s1e5]:
+          - paragraph [ref=f2s1e3]: Nested
 \`\`\``);

  expect(await client.callTool({
--- a/tests/launch.spec.ts
+++ b/tests/launch.spec.ts
@@ -26,6 +26,7 @@ test('test reopen browser', async ({ client }) => {

  expect(await client.callTool({
    name: 'browser_close',
+    arguments: {},
  })).toContainTextContent('No open pages available');

  expect(await client.callTool({
--- a/tests/network.spec.ts
+++ b/tests/network.spec.ts
@@ -0,0 +1,49 @@
+/**
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { test, expect } from './fixtures';
+
+test('browser_network_requests', async ({ client, server }) => {
+  server.route('/', (req, res) => {
+    res.writeHead(200, { 'Content-Type': 'text/html' });
+    res.end(`<button onclick="fetch('/json')">Click me</button>`);
+  });
+
+  server.route('/json', (req, res) => {
+    res.writeHead(200, { 'Content-Type': 'application/json' });
+    res.end(JSON.stringify({ name: 'John Doe' }));
+  });
+
+  await client.callTool({
+    name: 'browser_navigate',
+    arguments: {
+      url: server.PREFIX,
+    },
+  });
+
+  await client.callTool({
+    name: 'browser_click',
+    arguments: {
+      element: 'Click me button',
+      ref: 's1e3',
+    },
+  });
+
+  expect.poll(() => client.callTool({
+    name: 'browser_network_requests',
+    arguments: {},
+  })).toHaveTextContent(`[GET] http://localhost:8907/json => [200] OK`);
+});
--- a/tests/pdf.spec.ts
+++ b/tests/pdf.spec.ts
@@ -41,6 +41,7 @@ test('save as pdf', async ({ client, mcpBrowser }) => {

  const response = await client.callTool({
    name: 'browser_pdf_save',
+    arguments: {},
  });
  expect(response).toHaveTextContent(/Save page as.*page-[^:]+.pdf/);
 });
--- a/tests/tabs.spec.ts
+++ b/tests/tabs.spec.ts
@@ -32,6 +32,7 @@ async function createTab(client: Client, title: string, body: string) {
 test('list initial tabs', async ({ client }) => {
  expect(await client.callTool({
    name: 'browser_tab_list',
+    arguments: {},
  })).toHaveTextContent(`### Open tabs
 - 1: (current) [] (about:blank)`);
 });
@@ -40,6 +41,7 @@ test('list first tab', async ({ client }) => {
  await createTab(client, 'Tab one', 'Body one');
  expect(await client.callTool({
    name: 'browser_tab_list',
+    arguments: {},
  })).toHaveTextContent(`### Open tabs
 - 1: [] (about:blank)
 - 2: (current) [Tab one] (data:text/html,<title>Tab one</title><body>Body one</body>)`);
--- a/tests/testserver/cert.pem
+++ b/tests/testserver/cert.pem
@@ -0,0 +1,29 @@
+-----BEGIN CERTIFICATE-----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==
+-----END CERTIFICATE-----
--- a/tests/testserver/index.ts
+++ b/tests/testserver/index.ts
@@ -0,0 +1,145 @@
+/**
+ * Copyright 2017 Google Inc. All rights reserved.
+ * Modifications copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import fs from 'fs';
+import http from 'http';
+import https from 'https';
+import path from 'path';
+
+const fulfillSymbol = Symbol('fulfil callback');
+const rejectSymbol = Symbol('reject callback');
+
+export class TestServer {
+  private _server: http.Server;
+  readonly debugServer: any;
+  private _routes = new Map<string, (request: http.IncomingMessage, response: http.ServerResponse) => any>();
+  private _csp = new Map<string, string>();
+  private _extraHeaders = new Map<string, object>();
+  private _requestSubscribers = new Map<string, Promise<any>>();
+  readonly PORT: number;
+  readonly PREFIX: string;
+  readonly CROSS_PROCESS_PREFIX: string;
+
+  static async create(port: number): Promise<TestServer> {
+    const server = new TestServer(port);
+    await new Promise(x => server._server.once('listening', x));
+    return server;
+  }
+
+  static async createHTTPS(port: number): Promise<TestServer> {
+    const server = new TestServer(port, {
+      key: await fs.promises.readFile(path.join(__dirname, 'key.pem')),
+      cert: await fs.promises.readFile(path.join(__dirname, 'cert.pem')),
+      passphrase: 'aaaa',
+    });
+    await new Promise(x => server._server.once('listening', x));
+    return server;
+  }
+
+  constructor(port: number, sslOptions?: object) {
+    if (sslOptions)
+      this._server = https.createServer(sslOptions, this._onRequest.bind(this));
+    else
+      this._server = http.createServer(this._onRequest.bind(this));
+    this._server.listen(port);
+    this.debugServer = require('debug')('pw:testserver');
+
+    const cross_origin = '127.0.0.1';
+    const same_origin = 'localhost';
+    const protocol = sslOptions ? 'https' : 'http';
+    this.PORT = port;
+    this.PREFIX = `${protocol}://${same_origin}:${port}`;
+    this.CROSS_PROCESS_PREFIX = `${protocol}://${cross_origin}:${port}`;
+  }
+
+  setCSP(path: string, csp: string) {
+    this._csp.set(path, csp);
+  }
+
+  setExtraHeaders(path: string, object: Record<string, string>) {
+    this._extraHeaders.set(path, object);
+  }
+
+  async stop() {
+    this.reset();
+    await new Promise(x => this._server.close(x));
+  }
+
+  route(path: string, handler: (request: http.IncomingMessage, response: http.ServerResponse) => any) {
+    this._routes.set(path, handler);
+  }
+
+  redirect(from: string, to: string) {
+    this.route(from, (req, res) => {
+      const headers = this._extraHeaders.get(req.url!) || {};
+      res.writeHead(302, { ...headers, location: to });
+      res.end();
+    });
+  }
+
+  waitForRequest(path: string): Promise<http.IncomingMessage> {
+    let promise = this._requestSubscribers.get(path);
+    if (promise)
+      return promise;
+    let fulfill, reject;
+    promise = new Promise((f, r) => {
+      fulfill = f;
+      reject = r;
+    });
+    promise[fulfillSymbol] = fulfill;
+    promise[rejectSymbol] = reject;
+    this._requestSubscribers.set(path, promise);
+    return promise;
+  }
+
+  reset() {
+    this._routes.clear();
+    this._csp.clear();
+    this._extraHeaders.clear();
+    this._server.closeAllConnections();
+    const error = new Error('Static Server has been reset');
+    for (const subscriber of this._requestSubscribers.values())
+      subscriber[rejectSymbol].call(null, error);
+    this._requestSubscribers.clear();
+  }
+
+  _onRequest(request: http.IncomingMessage, response: http.ServerResponse) {
+    request.on('error', error => {
+      if ((error as any).code === 'ECONNRESET')
+        response.end();
+      else
+        throw error;
+    });
+    (request as any).postBody = new Promise(resolve => {
+      const chunks: Buffer[] = [];
+      request.on('data', chunk => {
+        chunks.push(chunk);
+      });
+      request.on('end', () => resolve(Buffer.concat(chunks)));
+    });
+    const path = request.url || '/';
+    this.debugServer(`request ${request.method} ${path}`);
+    // Notify request subscriber.
+    if (this._requestSubscribers.has(path)) {
+      this._requestSubscribers.get(path)![fulfillSymbol].call(null, request);
+      this._requestSubscribers.delete(path);
+    }
+    const handler = this._routes.get(path);
+    if (handler)
+      handler.call(null, request, response);
+  }
+}
--- a/tests/testserver/key.pem
+++ b/tests/testserver/key.pem
@@ -0,0 +1,52 @@
+-----BEGIN PRIVATE KEY-----
+MIIJQgIBADANBgkqhkiG9w0BAQEFAASCCSwwggkoAgEAAoICAQCttL32qMpycevk
+bRlzbGENo5meNC8VuKrF/+dte3/tZqqvLOlUq7sBPVqKcG+48Sjsh/0OFWd8X//a
+kaXSBtTfU5Tj+avKZCZzMYTJm84EOxmG0KJ/nijk6g7QGOE4M1Pw5Z5z1FPzufpG
+QfnwweU6LzGw/FD2flTUI3+HYPJAXdpEq6cQUKC3A8pZKMb4n9MAj2LRpIQ1c+JH
+zCNOuODv2zwSG6M03xaTqsotTex6kbcYgwgPm8uxVra33Gqfnraw/3kR75enZhff
+Puhgr31AIl3NpzBqWEwehvUYIQqMPLGwPYgVGLsPKyK61/LPLekyjo0AvEWvApWF
+ZfQvjNUUiwjomVV0rx0eYOTQxFKqAH2xZe8R9JNcAMR7yudwVIWkXPhnxE0uaflh
+LNAnOiQ2fjUNQI91lOVORwZOq+fk2qhjiw5XyuQVuCZNyrKKNX+x5s+PEJsk1w2Z
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+HEUwCvNUHzKMco15wFwasJIarJ7+tALFqbMlaqZhdCSN27AIsXfikVMogewoge9n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+-----END PRIVATE KEY-----
--- a/tests/testserver/san.cnf
+++ b/tests/testserver/san.cnf
@@ -0,0 +1,19 @@
+# openssl req -new -x509 -days 3650 -key key.pem -out cert.pem -config san.cnf -extensions v3_req
+
+[req]
+distinguished_name = req_distinguished_name
+req_extensions = v3_req
+prompt = no
+
+[req_distinguished_name]
+CN = playwright-test
+
+[v3_req]
+basicConstraints = CA:FALSE
+keyUsage = nonRepudiation, digitalSignature, keyEncipherment
+subjectAltName = @alt_names
+
+[alt_names]
+DNS.1 = localhost
+IP.1 = 127.0.0.1
+IP.2 = ::1
--- a/utils/update-readme.js
+++ b/utils/update-readme.js
@@ -18,6 +18,7 @@

 const fs = require('node:fs');
 const path = require('node:path');
+const zodToJsonSchema = require('zod-to-json-schema').default;

 const commonTools = require('../lib/tools/common').default;
 const consoleTools = require('../lib/tools/console').default;
@@ -107,11 +108,11 @@ function formatToolForReadme(tool) {
 */

 /**
- * @param {import('../src/tools/tool').ToolSchema} schema 
+ * @param {import('../src/tools/tool').ToolSchema<any>} schema 
 * @returns {ParsedToolSchema}
 */
 function processToolSchema(schema) {
-  const inputSchema =  /** @type {import('zod-to-json-schema').JsonSchema7ObjectType} */ (schema.inputSchema || {});
+  const inputSchema =  /** @type {import('zod-to-json-schema').JsonSchema7ObjectType} */ zodToJsonSchema(schema.inputSchema || {});
  if (inputSchema.type !== 'object')
    throw new Error(`Tool ${schema.name} input schema is not an object`);
Author	SHA1	Message	Date
Pavel Feldman	586492a3f0	chore: mark v0.0.15 (#250 )	2025-04-22 16:17:36 -07:00
Pavel Feldman	f7e9bae571	chore: roll playwright to 1745357020000 (#249 )	2025-04-22 16:04:50 -07:00
Pavel Feldman	1bc3c761de	feat(network): implement listing network requests (#247 ) Fixes: https://github.com/microsoft/playwright-mcp/issues/242	2025-04-22 16:04:25 -07:00
Simon Knott	c80f7cf222	chore: infer tool params (#241 ) Moves the `schema.parse` call to the calling side of the handler, so we don't have to duplicate it everywhere.	2025-04-22 13:24:38 +02:00