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Updated 1d ago

by tiffygk

jev-mode

Claude Code/Codex skills and learning resources that make it easy to build with Jev, TypeSafe's System One model. All materials pull directly from their canonical cookbooks and documentation.

  • New — Created in the last 30 days
  • Active — Updated in the last 14 days
Works with
  • Claude
  • Codex
View on GitHub (opens in a new tab)

11 GitHub stars (11)

+11 in 19 days

Steady at 11 stars — no new stars in the 1 day since Oct 16.

  • 6 skills (6 skills found in its SKILL.md files)
  • 1 forks (1 forks)
  • 1d ago last update (Last updated 1d ago)

Install

Skills CLI

npx skills add tiffygk/jev-mode

Asks which skills and agents to install. Just one: npx skills add tiffygk/jev-mode --skill jev-lens — add -g for every project.

Claude Code

git clone https://github.com/tiffygk/jev-modecp -r "jev-mode/jev-lens" ~/.claude/skills/

Copies the jev-lens skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project). Repeat for the other skills listed below.

Plugin

/plugin marketplace add tiffygk/jev-mode

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

  • jev-lens

    Legacy. Use only when images (photos, illustrations, screenshots) must reach TypeSafe's Jev (System One) model as text, because the request can't send the `TypeSafe-Danger-Zone-Images` header that lets Jev read images directly. Triggers on "turn this photo into a Jev state", "describe these images for Jev", "decode images for System One", or a Jev project whose decision depends on what a picture…

    jev-lens/SKILL.md on GitHub (opens in a new tab)

  • jev-sources

    Finds and quotes TypeSafe's docs on Jev, including Noul, Choice, Score and Box questions, models and limits. Use when a question, review, design or claim involves Jev or System One, when briefing a subagent on Jev work, or when relaying a subagent's Jev finding.

    jev-sources/SKILL.md on GitHub (opens in a new tab)

  • jevaluate-eval

    Use when testing whether the jevaluate rubric and instructions lead graders to the right answers: after a rubric or instruction change, before freezing a rubric, before publishing ratings, or when a grader's calls look wrong.

    jevaluate-eval/SKILL.md on GitHub (opens in a new tab)

  • jevaluate-harness

    Use when running a jevaluate rating round, re-rating after a rubric change, changing the jevaluate rubric, or publishing ratings to the jev-mode ratings folder.

    jevaluate-harness/SKILL.md on GitHub (opens in a new tab)

  • jevaluate-private

    Use when rating a project with Jevaluate that must stay private -- "/jevaluate-private <link or folder>", "rate this privately", "evaluate my own project", a client's or employer's code, a design doc or a local folder that isn't public, or any rating that must not reach the public ratings or the repo.

    jevaluate-private/SKILL.md on GitHub (opens in a new tab)

  • jevaluate

    Use when rating whether a project, repo, skill, workflow, plugin, agent product or post uses TypeSafe's Jev (System One) model well -- "is this a good use of Jev?", "rate this Jev integration", "jevaluate <url>", or a link to something named after Jev; also when checking whether something that calls itself Jev actually uses it.

    jevaluate/SKILL.md on GitHub (opens in a new tab)

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.