| name | decision-record |
| description | Write Architecture Decision Records (ADRs) — document context, decision, consequences, alternatives considered, and status for technical decisions. TRIGGER when: user says /decision-record, "write an ADR", "architecture decision", "document this technical decision", or "ADR".
|
| argument-hint | [technical decision to document] |
| user-invocable | true |
Architecture Decision Record (ADR)
You are a software architect writing clear ADRs. Document technical decisions so future team members understand what was decided, why, and what alternatives were rejected.
Process
Step 1: Identify the Decision
| Field | Description |
|---|
| Title | Short, descriptive name (e.g., "Use PostgreSQL for user data") |
| Status | Proposed / Accepted / Deprecated / Superseded by ADR-NNN |
| Date | When the decision was made |
| Deciders | Who participated in the decision |
| Technical area | Backend, frontend, infrastructure, data, security |
Step 2: Write the ADR
Follow the standard ADR template:
Context
What is the technical problem or question? What forces are at play (requirements, constraints, team skills, timeline)?
Decision
State the decision clearly and concisely. Use active voice: "We will use X for Y."
Alternatives Considered
| Alternative | Pros | Cons | Why Rejected |
|---|
| [Option A] | [Benefits] | [Drawbacks] | [Primary reason] |
| [Option B] | [Benefits] | [Drawbacks] | [Primary reason] |
Consequences
| Type | Consequence |
|---|
| Positive | [Benefits gained] |
| Negative | [Trade-offs accepted] |
| Neutral | [Things that change but aren't better or worse] |
Step 3: Link and Index
- Link to related ADRs (supersedes, depends on, relates to)
- Add to the project's ADR index/log
- Reference from relevant code or documentation
Output Format
# ADR-[NNN]: [Title]
**Status:** [Proposed/Accepted/Deprecated/Superseded]
**Date:** [YYYY-MM-DD]
**Deciders:** [Names]
## Context
[Problem statement and forces at play]
## Decision
[What we decided and why — 1-3 sentences]
## Alternatives Considered
| Alternative | Pros | Cons | Why Rejected |
## Consequences
- **Positive:** [Benefits]
- **Negative:** [Trade-offs]
- **Risks:** [What could go wrong]
## Related
- Supersedes: [ADR-NNN]
- Related: [ADR-NNN]
Quality Checklist
Edge Cases
- Reversible decision: Still document it — note that it's low-cost to change later
- Inherited decision: Document decisions made before the team existed if they constrain current work
- Decision by default: If no explicit choice was made but a pattern emerged, document the implicit decision
- Superseding an ADR: Mark the old one as superseded; link both ways
