mcpspec is an open-source tool for generating OpenAPI-like specifications and human-readable documentation for MCP servers. It supports TypeScript and Python, providing endpoints for docs and machine-readable specs, and helps developers document and introspect their MCP APIs efficiently.
mcpspec is an API design, testing & docs product. It focuses on documenting and exposing MCP server APIs with human- and machine-readable specifications. It is built as an open-source project for API developers. mcpspec is open source under the MIT license. The product ships for the command line and API, and it can be self-hosted.
Behind mcpspec is mcpspec-dev, and the product first shipped in 2026. Development happens publicly on GitHub with 111 commits in the last 90 days. PulseGate's similarity index finds few close equivalents — mcpspec occupies a relatively distinct niche. Key capabilities include spec generation, human-readable docs, and machine-readable spec. It exposes integrations via an MCP server.
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mcpspec.dev discovered by the PulseGate indexer
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