io.github.NomenAK/jev-agent-tools
Jev agent tools
Is the Jev agent tools MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
Evidence-oriented code questions, diff review and test selection via a Jev endpoint.
alive probed 2026-11-14 · unchanged since 2026-10-31
- Run it
- npx -y jev-agent-tools@0.4.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- jev-agent-tools 0.4.0
- Capabilities
- tools
- Instructions
- 8 574 characters
- Of a 1M window
- 1.5 % of a 1M context window
- Count
- 15k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 15k. The o200k_base estimate is 9.1k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/NomenAK/jev-tools
- Website
- https://github.com/NomenAK/jev-tools/blob/main/docs/mcp.md
- Registry
- active, updated 2026-10-07 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.68×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| jev_ask | 5 861 | 3 482 | 38 % |
| jev_ask_files | 4 082 | 2 425 | 27 % |
| jev_check_diff | 1 756 | 1 043 | 11 % |
| jev_find_files | 1 500 | 891 | 10 % |
| jev_locate_in_file | 1 076 | 639 | 7 % |
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Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.