MCP Libraryofcongress

Install

Works with Claude Code, Codex, VS Code, Claude Desktop, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/smeet666-mcp-libraryofcongress

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What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools

4 read · 0 write · 0 deleteRead-only

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Node.js package

Tools (4)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

• get_itemRead a recordread-only

  Read one Library of Congress record by its identifier, as returned by search_items or search_newspapers. An identifier can carry slashes: a single newspaper issue is named by its paper, its date and its edition together. Sections are opt-in: 'basic' is the default and covers what a description needs. 'date' carries only the precision the record's own words support, and 'date_stated' repeats those words, which can be a span of years the record was filed at the opening of. Where the Library has established no date it files the record under a cataloguing code, which 'date_code' carries while 'dat…

• list_collectionsList the digital collectionsread-only

  List the digital collections of the Library of Congress: bodies of material a curator chose, described and published together. Use it to see what is there before searching, since a collection names a corpus that a query would have to guess at. 'collection_filter' on each row is the wording search_items takes as its 'collection' argument, and 'searchable_media_types' names the catalogues that filter can be sent to. A collection whose 'searchable_media_types' is empty gathers a kind of thing the catalogue search is not divided into, such as web archives; set 'searchable_only' to leave those out.…

• search_itemsSearch the catalogueread-only

  Search the Library of Congress catalogue: books, photographs, maps, recordings, films, manuscripts, sheet music and newspaper titles. 'media_type' is required, because the Library keeps a separate catalogue for each kind of thing. This matches titles, creators and catalogue descriptions. It does not read the text inside a scan; use search_newspapers for a phrase printed on a newspaper page. Filters take the words the Library itself uses: 'subject' and 'location' as the rows here spell them, 'language' written in English, 'collection' as list_collections reports it under 'collection_filter'. A …

• search_newspapersSearch inside scanned newspaper pagesread-only

  Search the text inside digitised American newspaper pages held by the Library of Congress. This reads what optical recognition took off the scanned pages, so it finds a phrase that appears nowhere in a title or a catalogue record. Double quotes change how the Library matches the words, and it decides what they mean: a page can come back carrying the words apart or in another order rather than the phrase as written. What the quotes do to the number of matching pages varies from one query to the next, so run the search both ways rather than expecting either form to return more. 'total' counts th…

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Last commit

Oct 23, 2026 (8 days ago)

Last release

Aug 29, 2026 (2 months ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name

io.github.smeet666/mcp-libraryofcongress

Version

3.0.1

Auth

No auth

Packages

npm mcp-libraryofcongressmcpb https://github.com/smeet666/mcp-libraryofcongress/releases/download/v3.0.1/mcp-libraryofcongress-3.0.1.mcpb

License

MIT

Repository

github.com/smeet666/mcp-libraryofcongress

Website

github.com/smeet666/mcp-libraryofcongress#readme

First seen

Oct 24, 2026

Last checked

Oct 24, 2026

Source

Official MCP Registrygithub-graphql