io.github.quadratichq/quadratic-mcp
Quadratic
AI access to Quadratic spreadsheets: open files, run Python/SQL, query connected databases.
alive probed 2026-10-07 · HTTP 200
5tools
9.5ktokens in Claude Opus 5.5
9.6ktokens in Claude Code
4.8 %of a 200k context window
5.8ko200k_base estimate
615 msto initialize
98 msto list tools
- Endpoint
- https://mcp.quadratichq.com/mcp (streamable-http)
- Host
- mcp.quadratichq.com
- Protocol
- 2025-06-18
- Reports itself as
- rmcp 1.4.0
- Capabilities
- tools
- Instructions
- 10 909 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/quadratichq/quadratic-mcp-plugin
- Website
- https://www.quadratichq.com
- Registry
- active, updated 2026-06-18 · registry entry
- Reachable
- 7 of the last 7 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| write_data | 3 559 | 61 % |
| read_data | 1 623 | 28 % |
| auth | 270 | 5 % |
| files_write | 219 | 4 % |
| files_read | 135 | 2 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-07 11:13 | alive | 602 ms | 5 | 9.5k | 5.8k |
| 2026-10-05 15:34 | alive | 615 ms | 5 | 9.5k | 5.8k |
| 2026-10-05 00:45 | alive | 586 ms | 5 | 5.8k | |
| 2026-10-04 10:06 | alive | 1.3 s | 5 | 5.8k | |
| 2026-10-04 08:00 | alive | 836 ms | 5 | 5.8k | |
| 2026-10-03 20:39 | alive | 898 ms | 5 | 5.8k | |
| 2026-10-03 17:54 | alive | 1.2 s | 5 | 5.8k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.quadratichq/quadratic-mcp)
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.