io.github.cyanheads/libofcongress-mcp-server
libofcongress-mcp-server
io.github.cyanheads/libofcongress-mcp-server costs 2 036 tokens of context per session. It has 6 tool definitions. That is 1.0 % of a 200k window. Measured 2026-10-03.
Search LOC digital collections, Chronicling America newspapers (full OCR), and LC Subject Headings.
alive probed 2026-10-03 · HTTP 200
6tools
2.0ktokens for the tool definitions
1.0 %of a 200k context window
680 msto initialize
350 msto list tools
- Endpoint
- https://libofcongress.caseyjhand.com/mcp (streamable-http)
- Host
- libofcongress.caseyjhand.com
- Protocol
- 2025-11-25
- Reports itself as
- libofcongress-mcp-server 0.3.0
- Capabilities
- logging, prompts, resources, tools
- Instructions
- 305 characters
- Repository
- https://github.com/cyanheads/libofcongress-mcp-server
- Registry
- active, updated 2026-09-22 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens | Share of this server |
|---|---|---|
| libofcongress_search | 617 | 30 % |
| libofcongress_search_newspapers | 416 | 20 % |
| libofcongress_get_item | 294 | 14 % |
| libofcongress_get_newspaper_page | 257 | 13 % |
| libofcongress_search_subjects | 232 | 11 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Tokens |
|---|---|---|---|---|
| 2026-10-03 20:37 | alive | 680 ms | 6 | 2.0k |
| 2026-10-03 17:53 | alive | 609 ms | 6 | 2.0k |
Badge
[](https://mcp-pulse.ulehla.dev/s/io.github.cyanheads/libofcongress-mcp-server)