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coding-agent: add batch PR review pattern

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Tonight's learnings:
- Parallel Codex army for batch PR reviews
- Fetch PR refs: git fetch origin '+refs/pull/*/head:refs/remotes/origin/pr/*'
- Use git diff origin/main...origin/pr/XX (don't checkout)
- Post results with gh pr comment
- Successfully reviewed 13 PRs in parallel! 🦞
This commit is contained in:
Peter Steinberger
2026-01-03 00:24:34 +00:00
parent 1354d0836f
commit cbc599a5b8
1 changed files with 22 additions and 17 deletions
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39
skills/coding-agent/SKILL.md
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@@ -36,36 +36,40 @@ process action:kill sessionId:XXX
**Model:** `gpt-5.2-codex` is the default (set in ~/.codex/config.toml)
**Reasoning effort:** Choose based on task complexity:
- `medium` — most tasks (default)
- `high` — complex/architectural tasks
### Building/Creating (use --full-auto)
```bash
bash workdir:~/project background:true command:"codex exec --full-auto \"Build a snake game with dark theme\""
```
### Reviewing (vanilla, no flags needed)
### Reviewing PRs (vanilla, no flags)
```bash
bash workdir:~/project background:true command:"codex exec \"Review PR #115. Run git diff origin/main...origin/pr/115 to see changes.\""
bash workdir:~/project background:true command:"codex exec \"Review PR #115. Use: git diff origin/main...origin/pr/115\""
```
### Running Multiple Codex Processes
You can run many Codex processes in parallel! Each gets its own session:
### Batch PR Reviews (parallel army!)
```bash
# Start multiple reviews
bash workdir:~/project background:true command:"codex exec \"Review PR #1\""
bash workdir:~/project background:true command:"codex exec \"Review PR #2\""
bash workdir:~/project background:true command:"codex exec \"Review PR #3\""
# Fetch all PR refs first
git fetch origin '+refs/pull/*/head:refs/remotes/origin/pr/*'
# Check all running
# Deploy the army - one Codex per PR!
bash workdir:~/project background:true command:"codex exec \"Review PR #86. git diff origin/main...origin/pr/86\""
bash workdir:~/project background:true command:"codex exec \"Review PR #87. git diff origin/main...origin/pr/87\""
bash workdir:~/project background:true command:"codex exec \"Review PR #95. git diff origin/main...origin/pr/95\""
# ... repeat for all PRs
# Monitor all
process action:list
# Get results and post to GitHub
process action:log sessionId:XXX
gh pr comment <PR#> --body "<review content>"
```
### PR Review Tips
- Fetch PR refs first: `git fetch origin '+refs/pull/*/head:refs/remotes/origin/pr/*'`
- Tell Codex to use: `git diff origin/main...origin/pr/XX`
- Don't let it checkout branches (conflicts with parallel reviews)
### Tips for PR Reviews
- **Fetch refs first:** `git fetch origin '+refs/pull/*/head:refs/remotes/origin/pr/*'`
- **Use git diff:** Tell Codex to use `git diff origin/main...origin/pr/XX`
- **Don't checkout:** Multiple parallel reviews = don't let them change branches
- **Post results:** Use `gh pr comment` to post reviews to GitHub
---
@@ -92,3 +96,4 @@ bash workdir:~/project background:true command:"opencode run \"Your task\""
3. **Monitor with process:log** — check progress without interfering
4. **--full-auto for building** — auto-approves changes
5. **vanilla for reviewing** — no special flags needed
6. **Parallel is OK** — run many Codex processes at once for batch work