freee-mcp and fastify-mcp
About freee-mcp
freee/freee-mcp
Model Context Protocol (MCP) server for freee API integration
Supports five freee product APIs (accounting, HR, invoicing, time tracking, sales) with OAuth 2.0 + PKCE authentication and multi-company account switching. Separates concerns between Agent Skills (API reference injection for context efficiency) and the MCP server (handles authentication, request validation, and API calls via OpenAPI schema validation). Integrates with Claude Desktop, Cursor, and other AI agents through remote or local deployment modes.
About fastify-mcp
haroldadmin/fastify-mcp
A Fastify plugin to run Model Context Protocol (MCP) servers
Supports both Streamable HTTP and legacy HTTP+SSE transports for MCP protocol communication. Handles multi-session management with in-memory session tracking and lifecycle events (connected, terminated, error), addressing a gap in the official MCP SDK. Allows stateful or stateless server configurations integrated directly into Fastify routes via plugin registration.
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