{"generatedAt":"2026-10-24T12:11:27.697Z","canonicalUrl":"https://agentbreakwatch.vercel.app/p/modelcontextprotocol-fastify","llmsTxtUrl":"https://agentbreakwatch.vercel.app/p/modelcontextprotocol-fastify/llms.txt","categoryHub":{"slug":"mcp-bridges-devtools","title":"MCP Bridges, Transports, Inspectors & Developer Tools","url":"https://agentbreakwatch.vercel.app/c/mcp-bridges-devtools"},"tldrVerdict":"Modelcontextprotocol Fastify (@modelcontextprotocol/fastify) is currently at v2.0.1 on NPM (published 2026-10-02), with a 90-day Stability Score of 86/100 (B+) and MEDIUM schema drift risk. recent release v2.0.1 (up from v2.0.0) updates MCP Bridge & Transport tool schemas and transport handling (2 releases in last 90d). Pin exact version v2.0.1 in .mcp.json to avoid silent parameter drift.","package":{"slug":"modelcontextprotocol-fastify","packageName":"@modelcontextprotocol/fastify","registry":"npm","kind":"mcp","subcategory":"MCP Bridge & Transport","displayName":"Modelcontextprotocol Fastify","vendor":"Model Context Protocol","githubRepo":"modelcontextprotocol/typescript-sdk","breakingSummary":"recent release v2.0.1 (up from v2.0.0) updates MCP Bridge & Transport tool schemas and transport handling (2 releases in last 90d). Pin exact version v2.0.1 in .mcp.json to avoid silent parameter drift.","schemaDriftRisk":"medium","affectedSymbols":["tools/list","tools/call","fastify"],"migrationBefore":"\"modelcontextprotocol-fastify\": {\n  \"command\": \"npx\",\n  \"args\": [\"-y\", \"@modelcontextprotocol/fastify@latest\"]\n}","migrationAfter":"\"modelcontextprotocol-fastify\": {\n  \"command\": \"npx\",\n  \"args\": [\"-y\", \"@modelcontextprotocol/fastify@2.0.1\"]\n}","description":"Fastify adapters for the Model Context Protocol TypeScript server SDK - Fastify middleware","latestVersion":"2.0.1","latestPublishedAt":"2026-10-02T17:44:49.588Z","recentVersions":[{"version":"2.0.1","publishedAt":"2026-10-02T17:44:49.588Z"},{"version":"2.0.0","publishedAt":"2026-07-27T23:55:16.463Z"}],"releasesLast90d":2,"dependenciesCount":0,"license":"Apache-2.0","registryUrl":"https://www.npmjs.com/package/@modelcontextprotocol/fastify","githubUrl":"https://github.com/modelcontextprotocol/typescript-sdk","installCommand":"npx -y @modelcontextprotocol/fastify@2.0.1","stabilityScore":86,"stabilityGrade":"B+"}}