Best Fastify MCP Servers
Fastify is a fast and low overhead web framework for Node.js focused on performance and developer experience.
Why this server?
Scans Fastify applications for unprotected API routes, injection, and other server-side vulnerabilities.
AlicenseAqualityCmaintenanceEnables AI coding assistants to scan projects for security issues such as leaked API keys, missing Supabase RLS, open Firebase rules, unauthenticated routes, and hallucinated packages, then fix and verify the results.81MITWhy this server?
Generates Fastify plugin with route handlers for integrating Kalendis scheduling functionality into Fastify applications

Kalendis MCPofficial
AlicenseBqualityDmaintenanceEnables interaction with the Kalendis scheduling API to manage users, availability, bookings, and generate TypeScript clients and API routes. Supports comprehensive scheduling operations including recurring availability, exceptions, and booking management through natural language.4248 npmMITWhy this server?
Allows deployment of Fastify applications to Varity with automatic backend provisioning.

Varity MCP Serverofficial
AlicenseAqualityBmaintenanceEnables AI coding tools to scaffold, build, and deploy Node.js or Python apps to Varity with a single command, automatically provisioning databases and backend services.1868 npm1MITWhy this server?
Provides enhanced documentation, type signatures, examples, version migration guides, and error diagnosis for Fastify packages.

Augments MCP Serverofficial
AlicenseAqualityDmaintenanceA next-generation framework documentation provider for Claude Code via Model Context Protocol (MCP). Returns types + prose + examples with context-aware formatting for any npm package — not just curated ones.848 npm127MITWhy this server?
Detects Fastify router routes to discover API endpoints.
AlicenseAqualityCmaintenanceAn MCP server that automatically discovers API endpoints from any codebase, generates and runs tests, and produces per-role QA audit reports in PDF and XLSX.10753 npmMITWhy this server?
Generates an optional Fastify service as part of the backend, with multi-stage Dockerfile and routing.
AlicenseAqualityBmaintenanceAn autonomous virtual software agency MCP server that generates production-grade software projects from a description, with 27 senior personas debating and cross-examining every artifact.131MITWhy this server?
Provides tools for Guard Core config validation and documentation search for Fastify applications via the @guardcore/fastify adapter.
AlicenseAqualityAmaintenanceSecurity analysis for Python codebases through the guard-core engine: SecurityConfig validation that catches keys pydantic silently drops, docs search over the vendored corpus, live detection probing, and verified setup guidance for Python, Typescript, Rust, PHP and Go adapters.9190 PyPI2MITWhy this server?
Extracts Fastify endpoints.
AlicenseAqualityCmaintenanceEnables developers and product owners to scan a codebase and extract a readable business overview—features, roles, access control, data model, and endpoints—along with findings on missing or inconsistent rules, and generate shareable HTML or Markdown reports and diagrams.92MITWhy this server?
Provides built-in support for scaffolding Fastify projects
AlicenseBqualityDmaintenanceA comprehensive Model Context Protocol server that provides advanced Node.js development tooling for automating project creation, component generation, package management, and documentation with AI-powered assistance.79MIT