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gap-trap — Gated Quality Framework for Agent-Written Code

Installs and refines a repo quality framework where every agent-facing rule is backed by a gate that fails a commit, push, or CI run.

Dev & CodingAdvanced★ 144⑂ 6AI score 9/10Last updated: Sep 15, 2026

What it does

  • Discovers your repo (stack, test/lint commands, CI provider, architecture-contract candidates, history-derived domain facts) and confirms a single plan before touching files.
  • Writes AGENTS.md, AGENTS.project.md, CLAUDE.md, and agents/ instruction files from templates, migrating rules out of existing .cursorrules, Copilot instructions, or CONTRIBUTING.md row by row.
  • Adds gates in your own test runner and CI: instruction gate, proven-red test, PR body check, a ratchet with violation counters, and a mutation smoke for risky modules.
  • Proves each gate red with a scratch violation, reverts it, runs the full test command, and commits one logical change at a time.
  • refine mode audits ungated rules and stale contract symbols, then proposes the next rules and gates as one PR — deleting unjustified rules as readily as adding gates.

Who it's for

  • Teams and solo devs whose repos are mostly written by coding agents.
  • Anyone whose AGENTS.md/CLAUDE.md rules are ignored because nothing enforces them.
  • Maintainers who want quality debt tracked as numbers (ratchet counters) instead of vibes.

Examples

  1. gap-trap setup on a fresh repo: up to six contracts, a full gate set, an instruction word budget, and a report of which contracts are only Gate: review.
  2. gap-trap refine after your first incident: prunes dead rules, adds gates where code actually broke.
  3. Saying "gate the rules" or "make the agents' code match the rules" triggers the same workflow.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/pliablepixels/gap-trap/HEAD/gap-trap/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the gap-trap folder from the GitHub repo pliablepixels/gap-trap into my ~/.claude/skills/gap-trap/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/pliablepixels/gap-trap.git /tmp/gap-trap && mkdir -p ~/.claude/skills && cp -r /tmp/gap-trap/gap-trap ~/.claude/skills/gap-trap

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal.
  2. Clone the repo: git clone https://github.com/pliablepixels/gap-trap.git /tmp/gap-trap
  3. Create the skills folder: mkdir -p ~/.claude/skills
  4. Copy the skill in: cp -r /tmp/gap-trap/gap-trap ~/.claude/skills/gap-trap
  5. Start Claude Code and switch to Opus with /model — the skill refuses to run on Sonnet or Haiku.
  6. From your target repository, ask for gap-trap setup.
  7. Review the plan summary and the file diffs before approving; the skill also installs the slop-mop skill into ~/.claude/skills.
View source on GitHub ↗License: MIT