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new-feature-kit

v1.1.0

Published

Feature planning and TDD generation skill for Node.js projects. Investigates codebases (Express, NestJS, Fastify, hapi), asks structured questions, and produces detailed Technical Design Documents with API contracts, schema changes, test cases, and diagra

Downloads

507

Readme

new-feature-kit

Feature planning and TDD generation skill for Node.js projects.

new-feature-kit investigates your codebase (Express, NestJS, Fastify, hapi), asks structured questions about your feature, and produces a comprehensive Technical Design Document (TDD) with API contracts, schema changes, test cases, and diagrams.

It acts as a unified team of three:

  • Senior Software Engineer (8+ yrs) — codebase reconnaissance
  • Senior QA Engineer (10+ yrs) — edge case and boundary analysis
  • Dev Team (20+ yrs combined) — technical feasibility and architecture review

Quick Start

# Via opencode
opcode install new-feature-kit

# Then invoke
/new-feature

What It Produces

A TDD markdown file with 11 sections:

  1. Executive Summary
  2. Affected Areas
  3. Schema Changes
  4. API Contract
  5. Business Logic
  6. Error Handling
  7. Security Considerations
  8. Test Cases
  9. Performance Considerations
  10. Migration Plan
  11. Diagrams (Mermaid .mmd)

Features

  • ORM-aware: Supports Mongoose, Prisma, TypeORM, Sequelize
  • Framework-aware: Express, NestJS, Fastify, hapi
  • Pattern-aware: Detects error factories, pagination envelopes, response shapes, auth strategies
  • QA-driven: Boundary analysis, edge cases, race conditions
  • Diagrammed: Auto-generates entity-relationship, sequence, and flow diagrams

Compatibility

| Tool | Method | |------|--------| | opencode | opencode install new-feature-kit | | Claude Code | Add SKILL.md to CLAUDE.md | | GitHub Copilot | Add to .github/copilot-instructions.md |

License

MIT