io.github.smeet666/mcp-libraryofcongress
mcp-libraryofcongress
Is the io.github.smeet666/mcp-libraryofcongress MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.
Search inside scanned US newspapers and browse the Library of Congress catalogue. No API key.
alive probed 2026-11-15 · unchanged since 2026-10-30
- Run it
- npx -y mcp-libraryofcongress@3.1.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- mcp-libraryofcongress 3.1.0
- Capabilities
- tools
- Instructions
- 2 346 characters
- Of a 1M window
- 0.3 % of a 1M context window
- Count
- 3.5k tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 3.6k. The o200k_base estimate is 2.2k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/smeet666/mcp-libraryofcongress
- Website
- https://github.com/smeet666/mcp-libraryofcongress#readme
- Registry
- active, updated 2026-10-29 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.59×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| search_newspapers | 1 227 | 773 | 35 % |
| search_items | 1 094 | 689 | 31 % |
| get_item | 672 | 423 | 19 % |
| list_collections | 494 | 311 | 14 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
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- io.github.smeet666/mcp-imslp · alive
- io.github.smeet666/mcp-lever · alive
- io.github.smeet666/mcp-lrclib · alive
- io.github.smeet666/mcp-lyricscom · alive
- io.github.smeet666/mcp-marmiton · alive
- io.github.smeet666/mcp-metacritic · alive
Servers that mention newspapers or catalogue.
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- Spark Apps Catalogue co.spark-apps/spark-apps · alive
- FutureSmart AI Demos com.aidemos/catalogue · alive
- Catalogue APP24, formations d'échecs en français com.apprendre-les-echecs-24h/catalogue-echecs-fr · alive
- Besot: Musician Fashion Resale com.besot/catalogue · alive
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.