Developer Builds AI Tool to Auto-Document Undocumented APIs from Source Code
A developer released an open-source tool called API Archaeologist after spending days manually tracing undocumented and outdated API routes on a new team. The tool is a skill file for Claude Code and Codex CLI that scans backend source code directly, without relying on existing annotations or OpenAPI specs. It automatically generates a full API catalog in Markdown with Mermaid diagrams and a draft OpenAPI YAML file. The tool is designed for legacy codebases and projects where documentation has fallen behind the actual code. It is available on GitHub and works by running a single command from within a backend repository.
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