Library of Congress MCP Server for Claude CodeGive Claude Code instant access to 8 tools to Get Collection Items, Get Image Info, Get Item, and more

Connect your AI agent to the Library of Congress (LOC) and explore the vast digital archives of the United States' oldest federal cultural institution. Access millions of records, from historical newspapers to rare maps and sound recordings.

Claude Code registers Library of Congress as an MCP server in a single terminal command. Once connected, Claude Code discovers all 8 tools at runtime and can call them headlessly. ideal for CI/CD pipelines, cron jobs, and automated workflows where Library of Congress data drives decisions without human intervention.

What you can do

• Global Search — Search across the entire LOC catalog including items, legislation, and blogs using the search tool.
• Digital Collections — Browse and list all available digital collections or drill down into specific ones like the 'Abraham Lincoln Papers' using list_collections and get_collection_items.
• Format-Specific Discovery — Filter your research by specific media types such as maps, audio, or photos with search_format.
• Deep Bibliographic Research — Retrieve detailed metadata and digital resource links for specific items using get_item.
• OCR & Text Analysis — Access full-text OCR, word coordinates, and context snippets for digitized documents via get_text_service.
• Technical Image Metadata — Fetch IIIF technical data for high-resolution images using get_image_info.

The Library of Congress MCP Server exposes 8 tools through the Vinkius. Connect it to Claude Code in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.