io.github.OnChainAIIntel/pqs-mcp-server
pqs-mcp-server
PQS scores any prompt before the model runs. 8 dimensions. 5 frameworks. Pre-flight, not post-hoc.
alive probed 2026-10-05 · HTTP 200
2tools
1.4ktokens in Claude Opus 5.5
1.4ktokens in Claude Code
0.7 %of a 200k context window
825o200k_base estimate
1.6 sto initialize
133 msto list tools
- Endpoint
- https://promptqualityscore.com/api/mcp (streamable-http)
- Host
- promptqualityscore.com
- Protocol
- 2024-11-05
- Reports itself as
- pqs-mcp-server 1.4.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/OnChainAIIntel/pqs-mcp-server
- Website
- https://promptqualityscore.com
- Registry
- active, updated 2026-05-27 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| optimize_prompt | 471 | 57 % |
| score_prompt | 354 | 43 % |
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 14:24 | alive | 1.6 s | 2 | 1.4k | 825 |
| 2026-10-05 00:30 | alive | 261 ms | 2 | 825 | |
| 2026-10-04 10:02 | alive | 2.0 s | 2 | 825 | |
| 2026-10-04 07:56 | alive | 1.2 s | 2 | 825 | |
| 2026-10-03 20:36 | alive | 761 ms | 2 | 825 | |
| 2026-10-03 17:52 | alive | 501 ms | 2 | 825 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.OnChainAIIntel/pqs-mcp-server)
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.