pr-creation

name	pr-creation
description	> Use when this capability is needed.

Pull Request Creation Skill

IMPORTANT: Always follow this skill before creating any PR. Do not skip steps, especially the self-critique.

When to Use

Activate this skill when the user says any of the following (or similar):

• "Create a PR" / "Create a pull request"
• "Open a PR" / "Open a pull request"
• "Make a PR for this"
• "Submit this for review"
• "Push and create a PR"
• "I'm done, create the PR"
• "Can you PR this?"
• "Send this up for review"

Also activate when:

• You have completed a task and the user asks you to submit it
• CLAUDE.md or task instructions say to create a PR when done

Do NOT use this skill for:

• Reviewing an existing PR (use gh pr view or gh pr diff instead)
• Merging a PR (gh pr merge)
• Updating a PR description only (just run gh pr edit)

Prerequisites

• GitHub CLI (gh) must be authenticated
• All changes must be committed to a feature branch (not $CLAUDE_CODE_BASE_REF/master)

Updating an Existing PR

Before updating an existing PR (pushing new commits, editing the description, etc.), you MUST check its current status:

1. Run gh pr view <pr-number> --json state to check the PR state
2. Based on the result:
   • Open: Proceed with the update normally
   • Merged: Do NOT update it. Create a new PR instead with the additional changes
   • Closed (not merged): Ask the user what they'd like to do, if not already clarified

Workflow

Step 1: Gather Context

1. The base branch is in the env variable $CLAUDE_CODE_BASE_REF
2. Run git diff <base-branch>...HEAD to see all changes
3. Run git log <base-branch>..HEAD --oneline to see all commits
4. Review the changed files to understand the scope

Step 2: Self-Critique

Before creating the PR, you MUST read critique-prompt.md and launch a critique sub-agent using the Task tool:

• subagent_type: "general-purpose"
• description: "Critique code changes"
• prompt: Include the full diff output and the critique prompt from that file

Do NOT skip reading the resource file — it contains the detailed checklist the sub-agent needs.

Step 3: Address Critique

1. For each issue raised, determine if it's valid
2. Make necessary fixes and commit them
3. If you fixed more than 3 issues or made structural changes, re-run the critique (max 2 re-runs total — if issues persist after 2 rounds of critique, proceed to validation rather than looping indefinitely)

Step 4: Run Validation

Run the project's test/lint/typecheck commands (see pr-templates.md for common commands per language). Fix any failures before proceeding.

Step 5: Push and Create the Pull Request

You MUST read pr-templates.md for the PR template and formatting guidelines before this step.

1. Push the branch: git push -u origin HEAD
2. Check if a PR already exists for the current branch:

   EXISTING_PR=$(gh pr list --head "$(git branch --show-current)" --json number --jq '.[0].number' 2>/dev/null)
   

   If a PR already exists, update it with gh pr edit instead of creating a new one.
3. Create the PR using gh pr create with the template from the resource file. Make sure that you use the target branch

After creating the PR, and after any subsequent fix commits, update the PR description with gh pr edit --body "..." to reflect the current state of all changes.

Step 6: Wait for CI Checks (MANDATORY)

1. Run gh pr checks <pr-number> --watch to monitor
2. If any checks fail, investigate and fix the issues
3. Push fixes and wait again
4. Only proceed once all checks are green

Step 7: Report Result

Provide the PR URL and confirm all CI checks have passed.

Examples

Example 1: Simple Bug Fix

User says: "I'm done fixing the login bug, create a PR"

Claude's actions:

1. Runs git diff $CLAUDE_CODE_BASE_REF...HEAD — sees changes in src/auth/login.ts and tests/auth/login.test.ts
2. Runs git log $CLAUDE_CODE_BASE_REF..HEAD --oneline — sees 2 commits
3. Launches critique sub-agent with the diff
4. Critique returns: "Looks good, minor suggestion to add null check on line 42"
5. Fixes the null check, commits: fix: add null check for empty session token
6. Runs pnpm check && pnpm test && pnpm lint — all pass
7. Pushes and creates PR:

   gh pr create --title "fix: handle null session token in login flow" --body "..."
   

8. Watches CI with gh pr checks 47 --watch — all green
9. Reports: "PR #47 created and all CI checks pass: https://github.com/org/repo/pull/47"

Example 2: Multi-Commit Feature

User says: "Submit this for review"

Claude's actions:

1. Runs git diff $CLAUDE_CODE_BASE_REF...HEAD — sees changes across 8 files including new components, tests, and API routes
2. Runs git log $CLAUDE_CODE_BASE_REF..HEAD --oneline — sees 5 commits
3. Launches critique sub-agent with the full diff
4. Critique returns 4 issues: unused import, missing error boundary, test not covering edge case, over-engineered helper
5. Fixes all 4 issues across 2 additional commits
6. Re-runs critique (>3 fixes) — clean this time
7. Runs validation — all pass
8. Pushes and creates PR with detailed body summarizing the feature
9. Watches CI — one check fails (lint warning on new file)
10. Fixes lint issue, pushes, watches again — all green
11. Reports success with PR URL

Example 3: When Input Is Unclear

User says: "Push this up"

Claude asks: "I see you have changes on branch feat/user-dashboard. Would you like me to create a pull request against $CLAUDE_CODE_BASE_REF, or just push the branch without creating a PR?"

Error Handling

• Critique finds issues: Fix them before proceeding — do not skip
• Tests fail: Fix the tests, don't skip them
• gh not authenticated: Tell user to run gh auth login or set GH_TOKEN
• Push fails: Check branch permissions and remote configuration
• PR already exists (HTTP 422): Check for existing PRs first with gh pr list --head "$(git branch --show-current)", then use gh pr edit to update
• No changes to PR: Confirm with the user that work is committed

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