Search LOC digital collections, Chronicling America newspapers (full OCR), and LC Subject Headings.
Connect Remote server
claude mcp add --transport http libofcongress-mcp-server https://libofcongress.caseyjhand.com/mcp
{
"mcpServers": {
"libofcongress-mcp-server": {
"url": "https://libofcongress.caseyjhand.com/mcp"
}
}
}
{
"servers": {
"libofcongress-mcp-server": {
"type": "http",
"url": "https://libofcongress.caseyjhand.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://libofcongress.caseyjhand.com/mcp
Tools 6 found in our last check
libofcongress_search_itemsSearch the Library of Congress digital collections by keyword. Optionally filter by material format (photos, maps, newspapers, audio, etc.), date range, subject heading, or geographic location, or scope the search to a single curated collection with collection_slug. Returns item…
libofcongress_get_itemRetrieve the full metadata record for a specific LOC digital item. Returns the imprint (place, publisher, and date of publication), contributors, LCSH subject headings and the subject terms the search subject filter accepts, summary, languages, locations, rights information, phy…
libofcongress_search_newspapersSearch historical newspaper pages in the Chronicling America corpus. Returns matching pages with the opening of each page's OCR text (~500 characters), publication title, date, the states LOC indexes the title under, and the page URL needed for libofcongress_get_newspaper_page.…
libofcongress_get_newspaper_pageRetrieve the full text of one LOC page — a historical newspaper page, or a book or manuscript page — or, with match, only the passages around your search terms, with its publication metadata: for newspapers the title, issue date, place of publication, indexed states, and edition…
libofcongress_search_subjectsSearch Library of Congress Subject Headings (LCSH) by keyword. Returns authorized subject headings and their URIs in a stable paged order, promoting an exact match from the first 50 results to the start; a partial word with no keyword match returns the headings that begin with i…
libofcongress_browse_collectionsList and browse Library of Congress curated digital collections. Returns collection names, descriptions, item counts, slugs, and URLs. Optionally filter by keyword. Collections are curated subsets of the digital holdings with specific focuses (e.g., "Civil War Glass Negatives",…
Details
| Endpoint | https://libofcongress.caseyjhand.com/mcp (Streamable HTTP) |
| Package | @cyanheads/[email protected] (NPM, stdio) |
| Package | @cyanheads/[email protected] (NPM, streamable-http) |
| First published | 3 Nov 2026 |
| Last updated | 3 Nov 2026 |
| Registry name | io.github.cyanheads/libofcongress-mcp-server |
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