TL;DR
Libofcongress is a Model Context Protocol (MCP) server. Search LOC digital collections, Chronicling America newspapers (full OCR), and LC Subject Headings. Install with: bun @cyanheads/libofcongress-mcp-server. Source: https://github.com/cyanheads/libofcongress-mcp-server. It speaks the Model Context Protocol and works with any compatible client (Claude, Cursor, Cline, Windsurf, Warp and more).
Libofcongress
Search LOC digital collections, Chronicling America newspapers (full OCR), and LC Subject Headings.
Install Command
bun @cyanheads/libofcongress-mcp-serverFrequently Asked Questions
Libofcongress is a Model Context Protocol server that Search LOC digital collections, Chronicling America newspapers (full OCR), and LC Subject Headings.
You can install it by running the install command: `bun @cyanheads/libofcongress-mcp-server`. It then becomes available to any MCP-compatible client such as Claude, Cursor, Cline, Windsurf.
The Libofcongress MCP Server is compatible with any client that speaks the Model Context Protocol — including Claude, Cursor, Cline, Windsurf.
Check the project license on its repository before use.
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- Agent Rank
- 0.0
- License
- Last Updated
- Aug 12, 2026
- Languages
- TypeScript
Client Compatibility
Speaks the Model Context Protocol — works with any compatible client.