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SKILL verified MIT Self-run

Breakdown

skill-a1f-agent-templates-breakdown · by a1f

Use when the user wants to turn a discussion into a published plan — a short PRD, vertical slices, and a PR breakdown, all in one growing GitHub issue — or invokes /breakdown.

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Install

$ agentstack add skill-a1f-agent-templates-breakdown

✓ scanned · ✓ verified — works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • Prompt-injection patterns
  • Secret / credential exfiltration
  • Dangerous shell & filesystem operations
  • Untrusted network calls
  • Known-malicious package signatures

What it can access

  • Network access No
  • Filesystem access No
  • Shell / process execution No
  • Environment & secrets No
  • Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

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About

Breakdown

Run the full planning pipeline — PRD → slices → PR breakdown — into one growing GitHub issue, pausing at each gate. Composes to-prd, to-issues, and pr-breakdown, each invoked directly.

/breakdown [description or context] [--title="..."] [--label=Plan]

Phase 1: to-prd       → creates the issue   (gates: clarify, approve)
Phase 2: to-issues    → appends slices                 (gate: discuss)
Phase 3: pr-breakdown → appends PR rows                (gate: approve)

Run the phases in order; start each only after the previous reports success. The gates live inside each sub-skill — you just relay their results. A sub-skill that ends without its success line declined a gate: stop and report.

Phase 1 — PRD

Invoke to-prd via the Skill tool. Pass the user's [description or context] and any --title / --label. Capture N from its final line — PRD published: (issue #N). If to-prd reports a declined gate (no issue published), stop. If it published but the line won't parse, confirm N with the user before continuing.

Phase 2 — Slices

Invoke to-issues with --issue=N. It appends the slice plan and reports Slices appended to issue #N. Proceed on that; stop if it reports a declined gate.

Phase 3 — PR breakdown

Invoke pr-breakdown with --issue=N. It appends the PRs and reports PR breakdown appended to issue #N. Stop if it reports a declined gate.

If a gate is declined or a phase fails

Stop and report. Whatever already completed stays valid: a declined Phase 1 leaves nothing, Phase 2 leaves the PRD, Phase 3 leaves PRD + slices — any is a fine stopping point.

Common mistakes

| Mistake | Fix | |---------|-----| | Not threading --issue=N into Phases 2–3 | Capture N from Phase 1 and pass it on | | Nesting skills (skill → skill → skill) | Invoke each phase's skill directly |

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.