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/spec-creation

Feature specification creation from codebase research. Produces requirements, acceptance criteria, architecture decisions, implementation plans, and risk analysis.

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babysitter
1.9k200 skills3 agents21 commands1 MCP

Claude Code

$ npx -y skills add a5c-ai/babysitter --skill spec-creation --agent claude-code

SKILL.md

spec-creation.SKILL.md
name: spec-creation
description: Feature specification creation from codebase research. Produces requirements, acceptance criteria, architecture decisions, implementation plans, and risk analysis.
allowed-tools: Read, Bash, Grep, Glob
graph:
  domains: [domain:software-engineering]
  skillAreas: [skill-area:agentic-loops, skill-area:orchestration-loop]
  workflows: [workflow:feature-development]
  topics: [topic:developer-experience]
  roles: [role:tech-lead, role:backend-engineer]
  • Identify existing patterns and conventions
  • Map dependencies and integration points
  • Review existing tests for testing patterns
  • Document technical constraints

Specification Components

Scope and Non-Goals

Clear boundaries on what the feature does and does not include.

Functional Requirements

Detailed requirements with unique identifiers for tracking.

Acceptance Criteria

Testable, measurable criteria for each requirement.

Architecture Decisions

Decision records with rationale and alternatives considered.

Implementation Plan

Phased approach ordered by dependency, not priority.

Risk Analysis

Identified risks with probability, impact, and mitigation strategies.

API Contracts and Data Models

Interface definitions and data model schemas.

Test Strategy

Mapping of unit, integration, and E2E tests to requirements.

Output

Specifications are saved to `docs/specs/{feature}.md` for reference by the execution workflow.

When to Use

  • `/spec:create [feature]` slash command
  • Before starting a new feature implementation
  • When planning complex multi-module changes

Processes Used By

  • `claudekit-spec-workflow` (create mode)
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Questions about spec-creation.

Which coding agents can use spec-creation?
spec-creation installs in Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot, OpenCode and Windsurf with the skills CLI, using each agent's flag shown on this page. Flowy's auto-invocation, which fires a skill when your prompt matches, runs in Claude Code only.