libofcongress mcp server for Claude Code

io.github.cyanheads/libofcongress-mcp-server

Search LOC digital collections, Chronicling America newspapers (full OCR), and LC Subject Headings.

client:Claude Code transport:streamable-http runtime:npm tools:6

Install libofcongress mcp server in Claude Code

run in your project directory

claude mcp add --transport http libofcongress-mcp-server https://libofcongress.caseyjhand.com/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs