io.github.QuantSonar/quantsonar
QuantSonar
China A-share market data for research, backtesting and AI agents via MCP.
alive probed 2026-10-05 · HTTP 200
45tools
30ktokens in Claude Opus 5.5
30ktokens in Claude Code
14.8 %of a 200k context window
17ko200k_base estimate
1.8 sto initialize
338 msto list tools
- Endpoint
- https://quantsonar.com/mcp (streamable-http)
- Host
- quantsonar.com
- Protocol
- 2025-11-25
- Reports itself as
- quantsonar v1
- Capabilities
- experimental, prompts, resources, tools
- Instructions
- 146 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Website
- https://quantsonar.com
- Registry
- active, updated 2026-08-08 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| technical_factors_pro | 1 679 | 10 % |
| cash_flow | 652 | 4 % |
| income | 617 | 4 % |
| balance_sheet | 609 | 4 % |
| stocks | 460 | 3 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 14:25 | alive | 1.8 s | 45 | 30k | 17k |
| 2026-10-05 00:30 | alive | 1.6 s | 45 | 17k | |
| 2026-10-04 10:02 | alive | 2.2 s | 45 | 17k | |
| 2026-10-04 07:56 | alive | 2.4 s | 45 | 17k | |
| 2026-10-03 20:36 | alive | 2.0 s | 45 | 17k | |
| 2026-10-03 17:52 | alive | 1.5 s | 45 | 17k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.QuantSonar/quantsonar)
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.