feat: add configurable MCP tool loading to reduce LLM context usage (#1181)

Co-authored-by: Ralph Khreish <35776126+Crunchyman-ralph@users.noreply.github.com>

tests/helpers/tool-counts.js

@@ -0,0 +1,123 @@
+/**
+ * tool-counts.js
+ * Shared helper for validating tool counts across tests and validation scripts
+ */
+
+import {
+	getToolCounts,
+	getToolCategories
+} from '../../mcp-server/src/tools/tool-registry.js';
+
+/**
+ * Expected tool counts - update these when tools are added/removed
+ * These serve as the canonical source of truth for expected counts
+ */
+export const EXPECTED_TOOL_COUNTS = {
+	core: 7,
+	standard: 15,
+	total: 36
+};
+
+/**
+ * Expected core tools list for validation
+ */
+export const EXPECTED_CORE_TOOLS = [
+	'get_tasks',
+	'next_task',
+	'get_task',
+	'set_task_status',
+	'update_subtask',
+	'parse_prd',
+	'expand_task'
+];
+
+/**
+ * Validate that actual tool counts match expected counts
+ * @returns {Object} Validation result with isValid flag and details
+ */
+export function validateToolCounts() {
+	const actual = getToolCounts();
+	const expected = EXPECTED_TOOL_COUNTS;
+
+	const isValid =
+		actual.core === expected.core &&
+		actual.standard === expected.standard &&
+		actual.total === expected.total;
+
+	return {
+		isValid,
+		actual,
+		expected,
+		differences: {
+			core: actual.core - expected.core,
+			standard: actual.standard - expected.standard,
+			total: actual.total - expected.total
+		}
+	};
+}
+
+/**
+ * Validate that tool categories have correct structure and content
+ * @returns {Object} Validation result
+ */
+export function validateToolStructure() {
+	const categories = getToolCategories();
+	const counts = getToolCounts();
+
+	// Check that core tools are subset of standard tools
+	const coreInStandard = categories.core.every((tool) =>
+		categories.standard.includes(tool)
+	);
+
+	// Check that standard tools are subset of all tools
+	const standardInAll = categories.standard.every((tool) =>
+		categories.all.includes(tool)
+	);
+
+	// Check that expected core tools match actual
+	const expectedCoreMatch =
+		EXPECTED_CORE_TOOLS.every((tool) => categories.core.includes(tool)) &&
+		categories.core.every((tool) => EXPECTED_CORE_TOOLS.includes(tool));
+
+	// Check array lengths match counts
+	const lengthsMatch =
+		categories.core.length === counts.core &&
+		categories.standard.length === counts.standard &&
+		categories.all.length === counts.total;
+
+	return {
+		isValid:
+			coreInStandard && standardInAll && expectedCoreMatch && lengthsMatch,
+		details: {
+			coreInStandard,
+			standardInAll,
+			expectedCoreMatch,
+			lengthsMatch
+		},
+		categories,
+		counts
+	};
+}
+
+/**
+ * Get a detailed report of all tool information
+ * @returns {Object} Comprehensive tool information
+ */
+export function getToolReport() {
+	const counts = getToolCounts();
+	const categories = getToolCategories();
+	const validation = validateToolCounts();
+	const structure = validateToolStructure();
+
+	return {
+		counts,
+		categories,
+		validation,
+		structure,
+		summary: {
+			totalValid: validation.isValid && structure.isValid,
+			countsValid: validation.isValid,
+			structureValid: structure.isValid
+		}
+	};
+}