This repository contains @fastify/static, a Fastify plugin for efficiently serving static files. The plugin provides high-performance static file serving with features including MIME type detection, directory listing (JSON/HTML formats), pre-compressed file brokering (brotli/gzip/deflate), range requests, cache control headers, and robust path security to prevent directory traversal attacks. It follows Fastify plugin conventions and decorates reply objects with sendFile and download methods for flexible file serving. The architecture separates concerns with core logic in index.js, directory listing functionality in lib/dirList.js, and error definitions in lib/errors.js. Notable implementation details include concurrent file system operations using fastq for directory listings, sophisticated path normalization and security checks to handle various edge cases (non-canonical paths, dot-dot segments, symbolic links), and intelligent content negotiation for serving the optimal pre-compressed file variant based on client Accept-Encoding headers.
This repository is the official Model Context Protocol (MCP) reference implementation, containing seven standalone servers (everything, filesystem, memory, sequentialthinking, fetch, git, time) written in TypeScript or Python. These servers demonstrate the full MCP protocol—tools, prompts, resources, transports (stdio, SSE, Streamable HTTP), subscriptions, sampling, elicitation, tasks, and structured content. They are designed as educational examples for developers building their own MCP servers, not as production-ready solutions. The codebase is well-structured with consistent patterns (server factory, transport abstraction, security-focused path validation, atomic file operations, knowledge graph management) and includes extensive test suites. While actively maintained, some Python servers show drift from the latest MCP SDK (v2 API renames in progress), and the Everything server's demo code is tightly coupled to experimental protocol features. The repository also serves as a central hub for the MCP ecosystem via a curated community resource directory (ADDITIONAL.md).