merge-pr
Script-first deterministic squash merge with strict required-check gating, head-SHA pinning, and reliable attribution/commenting.
Best use case
merge-pr is best used when you need a repeatable AI agent workflow instead of a one-off prompt.
Script-first deterministic squash merge with strict required-check gating, head-SHA pinning, and reliable attribution/commenting.
Teams using merge-pr should expect a more consistent output, faster repeated execution, less prompt rewriting.
When to use this skill
- You want a reusable workflow that can be run more than once with consistent structure.
When not to use this skill
- You only need a quick one-off answer and do not need a reusable workflow.
- You cannot install or maintain the underlying files, dependencies, or repository context.
Installation
Claude Code / Cursor / Codex
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/merge-pr/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How merge-pr Compares
| Feature / Agent | merge-pr | Standard Approach |
|---|---|---|
| Platform Support | Not specified | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
Script-first deterministic squash merge with strict required-check gating, head-SHA pinning, and reliable attribution/commenting.
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
SKILL.md Source
# Merge PR
## Overview
Merge a prepared PR only after deterministic validation.
## Inputs
- Ask for PR number or URL.
- If missing, use `.local/prep.env` from the PR worktree.
## Safety
- Never use `gh pr merge --auto` in this flow.
- Never run `git push` directly.
- Require `--match-head-commit` during merge.
- Wrapper commands are cwd-agnostic; you can run them from repo root or inside the PR worktree.
## Execution Contract
1. Validate merge readiness:
```sh
scripts/pr-merge verify <PR>
```
Backward-compatible verify form also works:
```sh
scripts/pr-merge <PR>
```
2. Run one-shot deterministic merge:
```sh
scripts/pr-merge run <PR>
```
3. Capture and report these values in a human-readable summary (not raw `key=value` lines):
- Merge commit SHA
- Merge author email
- Merge completion comment URL
- PR URL
## Steps
1. Validate artifacts
```sh
require=(.local/review.md .local/review.json .local/prep.md .local/prep.env)
for f in "${require[@]}"; do
[ -s "$f" ] || { echo "Missing artifact: $f"; exit 1; }
done
```
2. Validate checks and branch status
```sh
scripts/pr-merge verify <PR>
source .local/prep.env
```
`scripts/pr-merge` treats “no required checks configured” as acceptable (`[]`), but fails on any required `fail` or `pending`.
3. Merge deterministically (wrapper-managed)
```sh
scripts/pr-merge run <PR>
```
`scripts/pr-merge run` performs:
- deterministic squash merge pinned to `PREP_HEAD_SHA`
- reviewer merge author email selection with fallback candidates
- one retry only when merge fails due to author-email validation
- co-author trailers for PR author and reviewer
- post-merge verification of both co-author trailers on commit message
- PR comment retry (3 attempts), then comment URL extraction
- cleanup after confirmed `MERGED`
4. Manual fallback (only if wrapper is unavailable)
```sh
scripts/pr merge-run <PR>
```
5. Cleanup
Cleanup is handled by `run` after merge success.
## Guardrails
- End in `MERGED`, never `CLOSED`.
- Cleanup only after confirmed merge.
- In final chat output, use labeled lines or bullets; do not paste raw wrapper diagnostics unless debugging.Related Skills
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