chore: initial code commit

src/tools/tool.ts

@@ -0,0 +1,37 @@
+/**
+ * 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 type { ImageContent, TextContent } from '@modelcontextprotocol/sdk/types';
+import type { JsonSchema7Type } from 'zod-to-json-schema';
+import type { Context } from '../context';
+
+export type ToolSchema = {
+  name: string;
+  description: string;
+  inputSchema: JsonSchema7Type;
+};
+
+export type ToolResult = {
+  content: (ImageContent | TextContent)[];
+  isError?: boolean;
+};
+
+export type Tool = {
+  schema: ToolSchema;
+  handle: (context: Context, params?: Record<string, any>) => Promise<ToolResult>;
+};
+
+export type ToolFactory = (snapshot: boolean) => Tool;