io.github.urbanmorph/irrational
irrational
Adversarial behavioural-bias engine — audits your decisions for cognitive biases via your own AI.
alive probed 2026-10-05 · HTTP 200
3tools
594tokens in Claude Opus 5.5
618tokens in Claude Code
0.3 %of a 200k context window
333o200k_base estimate
114 msto initialize
82 msto list tools
- Endpoint
- https://irrational.pages.dev/mcp/server (streamable-http)
- Host
- irrational.pages.dev
- Protocol
- 2024-11-05
- Reports itself as
- irrational 0.1.0
- Capabilities
- tools
- Instructions
- 770 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/urbanmorph/irrational
- Website
- https://irrational.pages.dev
- Registry
- active, updated 2026-06-15 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| analyze_decision | 232 | 70 % |
| list_biases | 62 | 19 % |
| get_bias | 39 | 12 % |
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 16:37 | alive | 114 ms | 3 | 594 | 333 |
| 2026-10-05 00:57 | alive | 115 ms | 3 | 333 | |
| 2026-10-04 10:07 | alive | 373 ms | 3 | 333 | |
| 2026-10-04 08:01 | alive | 320 ms | 3 | 333 | |
| 2026-10-03 20:40 | alive | 203 ms | 3 | 333 | |
| 2026-10-03 17:55 | alive | 238 ms | 3 | 333 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.urbanmorph/irrational)
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.