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design-child-contract

Compare 2-3 materially different child-level contract/interface shapes and write the chosen direction into `CONTRACT_DECISION.md` before planning when local…

Skill by siarhei-belavus

IndexedMIT★ 2
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

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About

Compare 2-3 materially different child-level contract/interface shapes and write the chosen direction into `CONTRACT_DECISION.md` before planning when local contract shape is ambiguous.

Use cases: documents, design, writing, productivity

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What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
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Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/design-child-contract

What's inside

Skill name
design-child-contract
Description
Compare 2-3 materially different child-level contract/interface shapes and write the chosen direction into `CONTRACT_DECISION.md` before planning when local contract shape is ambiguous.
License
MIT
Instructions
31 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

# design-child-contract

Use only when the child owns an ambiguous API/config/storage/hook/module contract.

## Read first
- `../references/task-packet-contract.md`
- `../references/final-state-authoring-policy.md`
- child `INDEX.md`, `BRIEF.md`, `PLAN.md`, `AMENDMENTS.md`, `ARTIFACT_CANDIDATES.md`
- relevant parent initiative files referenced by the child brief
- `../../references/communication-mode.md`

## Workflow
1. Generate 2-3 materially different contract shapes.
2. Compare them on simplicity, coupling, flexibility, validation fit, and misuse risk.
3. Choose one direction explicitly.
4. Write `CONTRACT_DECISION.md` with the chosen direction, rejected alternatives, and rationale.
5. Update child `INDEX.md` to `Packet phase: contract_decided`.

## Writing rule
Write the chosen contract as the current local design decision.
Do not preserve competing contract vocabularies inside the canonical child packet after the decision is made.

## Do not
- write implementation code
- leave the contract decision implicit in chat only
- create contract churn when the packet already has a clear contract surface

## Communication
Honor active caveman mode for user-facing replies per `../../references/communication-mode.md`. Keep durable artifacts normal unless the human asks otherwise. Drop caveman for safety/clarity when needed, then resume.

From siarhei-belavus/agent-public, MIT.

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Last commit (this folder)
Apr 29, 2026 (6 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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design-child-contract skill. Agent Mart. https://agentmart.dev/skills/siarhei-belavus-design-child-contract (last updated 2026-10-24)