Agent skill

sym-fix-ci

Use when a user asks to debug or fix failing GitHub PR checks that run in GitHub Actions. Trigger words include: 'fix CI', 'debug GitHub Actions', 'gh pr checks', 'CI is red', 'GitHub Actions failed', 'fix the build', and similar phrases indicating a need to investigate and resolve CI failures in a GitHub-hosted repository.

View SKILL.md on GitHub Repository
Stars 28
Forks 2

Install this agent skill to your Project

npx add-skill https://github.com/gannonh/kata/tree/main/apps/symphony/skills/sym-fix-ci

SKILL.md

Overview

Use gh to locate failing PR checks, fetch GitHub Actions logs for actionable failures, summarize the failures, and implement fixes.

Inputs

  • repo: path inside the repo (default .)
  • pr: PR number or URL (optional; defaults to current branch PR)
  • gh authentication for the repo host

Quick start

  • python3 "<path-to-skill>/scripts/inspect_pr_checks.py" --repo "." --pr "<number-or-url>"
  • Add --json if you want machine-friendly output for summarization.

Workflow

  1. Verify gh authentication.
    • Run gh auth status in the repo.
    • If unauthenticated, ask the user to run gh auth login (ensuring repo + workflow scopes) before proceeding.
  2. Resolve the PR.
    • Prefer the current branch PR: gh pr view --json number,url.
    • If the user provides a PR number or URL, use that directly.
  3. Inspect failing checks (GitHub Actions only).
    • Preferred: run the bundled script (handles gh field drift and job-log fallbacks):
      • python3 "<path-to-skill>/scripts/inspect_pr_checks.py" --repo "." --pr "<number-or-url>"
      • Add --json for machine-friendly output.
    • Manual fallback:
      • gh pr checks <pr> --json name,state,bucket,link,startedAt,completedAt,workflow
        • If a field is rejected, rerun with the available fields reported by gh.
      • For each failing check, extract the run id from detailsUrl and run:
        • gh run view <run_id> --json name,workflowName,conclusion,status,url,event,headBranch,headSha
        • gh run view <run_id> --log
      • If the run log says it is still in progress, fetch job logs directly:
        • gh api "/repos/<owner>/<repo>/actions/jobs/<job_id>/logs" > "<path>"
  4. Scope non-GitHub Actions checks.
    • If detailsUrl is not a GitHub Actions run, label it as external and only report the URL.
    • Do not attempt Buildkite or other providers; keep the workflow lean.
  5. Summarize failures.
    • Provide the failing check name, run URL (if any), and a concise log snippet.
    • Call out missing logs explicitly.
  6. Create a plan.
    • Use the create-plan skill to draft a concise plan.
  7. Implement plan.
    • Apply the plan, summarize diffs/tests, commit and push changes.
  8. Recheck status.
    • After changes, re-run the relevant tests and gh pr checks to confirm.
    • If new or existing failures remain, repeat the workflow until CI passes
  9. Summarize outcome.
    • Once CI checks pass, summarize the fix and confirm with the user before merging or proceeding to the next steps in their workflow.

Bundled Resources

/scripts/inspect_pr_checks.py

Fetch failing PR checks, pull GitHub Actions logs, and extract a failure snippet. Exits non-zero when failures remain so it can be used in automation.

Usage examples:

  • python3 "<path-to-skill>/scripts/inspect_pr_checks.py" --repo "." --pr "123"
  • python3 "<path-to-skill>/scripts/inspect_pr_checks.py" --repo "." --pr "https://github.com/org/repo/pull/123" --json
  • python3 "<path-to-skill>/scripts/inspect_pr_checks.py" --repo "." --max-lines 200 --context 40

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