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MCP live v0.2.1 MCP 2026-07-28 http

libofcongress-mcp-server

io.github.cyanheads/libofcongress-mcp-server

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

Watch this dependency

Get before/after evidence when observed tools, schemas, authentication access, availability or the endpoint changes.

Inspect evidence and set up a watch Share public evidence report
Uptime
100.0%
5 direct probes · 30d
Response
1127ms
last probe
Tools
6
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://libofcongress.caseyjhand.com/mcp
Score: 100/100
Handshake verified by our own probe.
why this score
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
6 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
6 items in total; 3 or more earns these points.
pass Describes itself 10/10
99 characters; more than 30 earns these points.

Tools · 6

libofcongress_search_items

Search 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 sco…

libofcongress_get_item

Retrieve 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…

libofcongress_search_newspapers

Search 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 …

libofcongress_get_newspaper_page

Retrieve 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 news…

libofcongress_search_subjects

Search Library of Congress Subject Headings (LCSH) by keyword. Returns authorized subject headings and their URIs, ranked by relevance with a heading that exactly matches the query first; a partial wo…

libofcongress_browse_collections

List 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 …

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "libofcongress-mcp-server": {
      "url": "https://libofcongress.caseyjhand.com/mcp",
      "transport": "http"
    }
  }
}