Mmcp.market

patch-edit skill

by nexu-io·nexu-io/open-design·98k stars·Apache-2.0

Apply one rewrite-plan step at a time as small reviewable file edits, never rewriting whole files when a localised change suffices.

A100/100content scan

Is the patch-edit skill safe?

Clean: nothing in its files matched our rules. We read 2 files in the folder on 2026-09-28.

No findings.

Install the patch-edit skill

A skill is a folder. Copy it into your agent's skills folder and the agent loads it when the task matches its description. 

git clone --depth 1 https://github.com/nexu-io/open-design.git /tmp/open-design
mkdir -p ~/.claude/skills
cp -r /tmp/open-design/plugins/_official/atoms/patch-edit ~/.claude/skills/patch-edit
available in every project

In the Claude apps, zip the folder and upload it from the Skills settings. The folder on GitHub

The instructions your agent would load

SKILL.md as published, without the frontmatter. Read it on GitHub

Patch edit

Spec §20.3 / §21.3.2: code-migration / tune-collab cannot ship a trustworthy diff when the agent rewrites whole files in one pass — the reviewer can't audit the change. This atom enforces "one step per turn, smallest possible localised edit".

Inputs

  • plan/steps.json from rewrite-plan.
  • The current value of iterations (the daemon's per-stage counter).
  • code/index.json for the file's known imports + neighbours.

Output

The atom mutates files inside the project cwd via the file-edit tool. After every iteration, it writes a per-step receipt:

project-cwd/
└── plan/
    ├── steps.json (status updated: 'pending' → 'completed' | 'skipped')
    └── receipts/
        └── step-<id>.json    # { files: ['...'], diffSummary, rationale, completedAt }

Convergence

The atom completes when every step in plan/steps.json is in a terminal state (completed / skipped) OR iterations >= ODMAXDEVLOOP_ITERATIONS. Use:

{
  "id": "patch-edit-loop",
  "atoms": ["patch-edit"],
  "repeat": true,
  "until": "plan.steps.terminal === plan.steps.total || iterations >= 8"
}

Anti-patterns the prompt fragment forbids

'high' or the user hasn't confirmed.

  • Rewriting an entire file when the rewrite-plan step is localised.
  • Touching a file outside the step's files[].
  • Touching a shell-tier file when the step's risk is not
  • Skipping a step without a receipt + a rationale string.

Status

Implemented by the daemon runner in apps/daemon/src/plugins/atoms/patch-edit.ts. It validates step ownership and risk, applies unified diffs with atomic writes, and records receipts and progress.

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