msd-core/tests/mcp-tool-inheritance.test.cjs

// allow-test-rule: source-text-is-the-product
// Workflow .md / agent .md / command .md / reference .md files — their text
// IS what the runtime loads. Testing text content tests the deployed contract.
// Per CONTRIBUTING.md exception matrix.

const { test, describe } = require('node:test');
const assert = require('node:assert/strict');
const fs = require('fs');
const path = require('path');

describe('MCP tool usage in GSD agents', () => {
  const agentFiles = [
    path.join(__dirname, '..', 'agents', 'gsd-executor.md'),
    path.join(__dirname, '..', 'agents', 'gsd-planner.md'),
  ];

  for (const agentFile of agentFiles) {
    const name = path.basename(agentFile);

    test(`${name} mentions MCP tool usage`, () => {
      const content = fs.readFileSync(agentFile, 'utf-8');
      const hasMcpGuidance =
        content.toLowerCase().includes('mcp') ||
        content.includes('context7') ||
        content.includes('available tools') ||
        content.includes('MCP tool');
      assert.ok(hasMcpGuidance, `${name} should mention MCP tool availability/usage`);
    });
  }

  test('gsd-executor.md explicitly instructs to use available MCP tools', () => {
    const content = fs.readFileSync(agentFiles[0], 'utf-8');
    assert.ok(
      content.includes('MCP') || content.includes('mcp__'),
      'executor should reference MCP tools'
    );
  });
});