jev-code plugin
jev_classify, jev_check, jev_score, jev_rank, jev_ask over MCP, plus the /jev skill.
How to install the jev-code plugin
Run both commands inside Claude Code. The first adds the marketplace once; the second installs the plugin.
/plugin marketplace add FrancoisChastel/jev-code
/plugin install jev-code@jev-codeWhat's inside jev-code
2 parts read from the plugin's own files.
Skills 1
Claude loads it when the task matches- jev
Use Jev, TypeSafe's System One classifier, whenever a coding task needs a classifier under the hood: labelling or routing many items (issues, files, log lines, test failures, commits, messages), yes/no checks with a calibrated probability (does this diff touch auth, is this claim supported by the log, is this failure flaky), scoring on ordered levels (severity, priority, quality), or ranking candidates by relevance (which file answers this question). Prefer it over eyeballing long lists, brittle regex heuristics, or one frontier-model call per item. Tools: jev_classify, jev_check, jev_score, jev_rank, jev_ask (MCP or native), with the `jev-code` CLI as a bash fallback. Also use when the user's own application needs a classifier, router, guardrail, or verifier built on TypeSafe's API or SDKs. Needs a TypeSafe, OpenRouter, or Vercel AI Gateway API key.
MCP servers 1
Starts with the plugin- jevstdio
npx -y @french-castle/jev-code@0.5.0 mcp
Using jev-code in Claude Code
Skills need no command. Claude reads them when your request matches what they describe.
Update, turn off or remove
- Update the plugin (shell)
- claude plugin update jev-code@jev-code
- Refresh the marketplace
- /plugin marketplace update jev-code
- Turn it off for now
- /plugin disable jev-code@jev-code
- Remove it
- /plugin uninstall jev-code@jev-code
Skills in jev-code
- jevFrancoisChastel/jev-code
Use Jev, TypeSafe's System One classifier, whenever a coding task needs a classifier under the hood: labelling or routing many items (issues, files, log lines, test failures, commits, messages), yes/no checks with a calibrated probability (does this diff touch auth, is this claim supported by the log, is this failure flaky), scoring on ordered levels (severity, priority, quality), or ranking candidates by relevance (which file answers this question). Prefer it over eyeballing long lists, brittle regex heuristics, or one frontier-model call per item. Tools: jev_classify, jev_check, jev_score, jev_rank, jev_ask (MCP or native), with the `jev-code` CLI as a bash fallback. Also use when the user's own application needs a classifier, router, guardrail, or verifier built on TypeSafe's API or SDKs. Needs a TypeSafe, OpenRouter, or Vercel AI Gateway API key.
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jev-code plugin questions
How do I install the jev-code plugin?
In Claude Code run /plugin marketplace add FrancoisChastel/jev-code, then /plugin install jev-code@jev-code.
What does the jev-code plugin include?
jev-code bundles 1 skill, MCP servers.
How do I update or remove the jev-code plugin?
Update it with claude plugin update jev-code@jev-code in your shell, or from the Installed tab of /plugin. Remove it with /plugin uninstall jev-code@jev-code.
What license is the jev-code plugin under?
MIT, as stated in the plugin's manifest.