io.github.Aitejiu/jev
jev
Jev judgments for agents: injection scanning, shell risk gating, ranking
alive probed 2026-10-15
3tools
619tokens in Claude Opus 5.5
640tokens in Claude Code
0.3 %of a 200k context window
336o200k_base estimate
3.1 sto initialize
5 msto list tools
- Run it
- uvx jev-mcp==0.1.2 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- jev 0.1.2
- Capabilities
- prompts, resources, tools
- Instructions
- 168 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/Aitejiu/jev-harness-lab
- Registry
- active, updated 2026-09-21 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| rank_candidates | 127 | 38 % |
| scan_injection | 109 | 32 % |
| bash_risk | 100 | 30 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.Aitejiu/jev)
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.