Who it is forAn engineer who works in Codex and wants help designing a Jev decision harness.
The problemCodex does not know how to structure a Jev harness without installing the skill.
The outcomeA working jev-harness skill in Codex that asks for task inputs, actions, examples, and success criteria before drafting the harness.
What you need first
- Claude Code or Codex installed
- Git, and Node.js for the local archive viewer
- Access to Jev model calls, since plugin installation does not configure model keys
- A Python environment if you plan to build and run a harness yourself
Steps
- Open a Codex host that provides the built-in skill-installer.
- Send
$skill-installer Install the jev-harness skill from https://github.com/TianyuCodings/JevHarness/tree/main/skills/jev-harness. - Restart the session if the skill is not discovered.
- Send
$jev-harness Build a harness that routes support tickets to the right team.and answer the clarifying questions.
Prompt for your agent
In Codex, install the jev-harness skill from https://github.com/TianyuCodings/JevHarness and then run it on the task: route <ticket type> to the right team. Expected output: a list of clarified inputs, legal actions, examples, and success criteria. Verify that the skill is discovered before the task is sent.
Caveat. The skill helps draft the harness, but running Jev calls still requires model access that the README does not configure for you.
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