BMAD Method

Agentic skills framework and dev methodology: brainstorming, planning, TDD and subagent-driven development.

Anthropic's public repository of Agent Skills, folders of instructions and scripts agents load on demand.

GitHub's toolkit for spec-driven development with coding agents.

Large multi-harness marketplace of subagents, skills and plugins for Claude Code, Codex, Cursor and more.

AI task-management system that turns a PRD into dependency-aware tasks your coding agent works through.

Open, simple format, a README for agents, that tells coding agents how to build, test and work in your repo.