rex 🇺🇦

reference explorer

Sub-second Python API browser. Faster than asking an LLM.
Analyses .venv packages, that already in the project.
Bonus: MCP for Claude Code.

Install

uv add git+https://github.com/vykhovanets/rex.git
uv run rex index        # Build symbol index (~30s once)
uv run rex-mcp install  # Register with Claude Code

CLI

rex find <query>    # Search symbols
rex show <name>     # Full documentation
rex members <name>  # List class/module members
rex edit <name>     # Open in $EDITOR at line
rex browse          # Interactive TUI browser
rex stats           # Index statistics

MCP Tools

Claude Code can use rex too - same speed, no round-trips to the web.

Tool	Description
rex_search	Find symbols by name
rex_show	Get full docs for a symbol
rex_members	List class/module members
rex_index	Rebuild index

License

MIT