io.github.grahammccain/chart-library
Chart Library — Market-state research
Market memory for AI: historical states, published studies and source evidence.
alive probed 2026-10-15 · HTTP 200
14tools
3.9ktokens in Claude Opus 5.5
4.0ktokens in Claude Code
1.9 %of a 200k context window
2.1ko200k_base estimate
632 msto initialize
208 msto list tools
- Endpoint
- https://chartlibrary.io/mcp (streamable-http)
- Host
- chartlibrary.io
- Protocol
- 2025-11-25
- Reports itself as
- chart-library 1.30.0
- Capabilities
- experimental, prompts, resources, tools
- Instructions
- 1 959 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/grahammccain/chart-library-mcp
- Registry
- active, updated 2026-09-10 · registry entry
- Reachable
- 7 of the last 8 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| read_research | 349 | 16 % |
| get_company_file | 272 | 13 % |
| search_research | 208 | 10 % |
| market_state | 206 | 10 % |
| run_company_scenario | 138 | 7 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-15 10:39 | alive | 632 ms | 14 | 3.9k | 2.1k |
| 2026-10-14 09:22 | no DNS | ||||
| 2026-10-05 14:46 | alive | 396 ms | 14 | 3.9k | 2.1k |
| 2026-10-05 00:35 | alive | 306 ms | 14 | 2.1k | |
| 2026-10-04 10:04 | alive | 980 ms | 14 | 2.1k | |
| 2026-10-04 07:58 | alive | 793 ms | 14 | 2.1k | |
| 2026-10-03 20:38 | alive | 1.4 s | 14 | 2.1k | |
| 2026-10-03 17:53 | alive | 985 ms | 14 | 2.1k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.grahammccain/chart-library)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.