Phase Gate

Phase Gate Check

Examine the codebase, issues, and project plan. Determine current phase and evaluate.

How to Use

Define your project phases in a phases.md or equivalent document. Each phase needs:

1. Deliverables - Concrete, verifiable outputs (not vague goals)
2. Gate criteria - What must be true before moving on
3. Kill questions - Hard questions that expose whether the phase is actually done

Phase Template

## Phase N - [Name] (Estimated: X weeks)

**Deliverables:**
- [ ] Deliverable 1
- [ ] Deliverable 2
- [ ] Deliverable 3

**Gate Criteria:**
[What must be true before proceeding. Be specific and measurable.]

**Kill Questions:**
- [Hard question that exposes gaps]
- [Another hard question]

Example Phases (Adapt to Your Project)

Phase 1 - Foundation

Deliverables: Core data models, basic CRUD, authentication, CI pipeline. Gate: The system handles the primary happy path end-to-end. It works, even if ugly.

Phase 2 - Core Features

Deliverables: Key features that deliver the primary value proposition. Gate: A user can accomplish the main task the product exists for.

Phase 3 - Polish & Edge Cases

Deliverables: Error handling, input validation, performance optimization, UX refinements. Gate: It handles edge cases gracefully and performs well under expected load.

Phase 4 - Launch Readiness

Deliverables: Monitoring, documentation, deployment automation, security review. Gate: You'd be comfortable with real users depending on it.

Evaluation Output

1. Current phase based on what's implemented.
2. Checklist of deliverables: done vs remaining.
3. Gate criteria assessment: met / not met / partially met.
4. If gate NOT met: specific actions needed before proceeding.
5. Risks of moving forward without completing the gate.

Source & license

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

• Author: pvnarp
• Source: pvnarp/agent-skills
• License: MIT

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