superpowers, agentic skills framework for ai coding agents
About Superpowers
Open-source agentic skills framework and software-development methodology by Jesse Vincent (obra). It registers a single SessionStart hook that makes a library of composable skills discoverable, then lets the agent run structured workflows: brainstorming, planning, test-driven development, subagent code review, and git-worktree isolation. Passive by design, it does not intercept prompts or override native plan mode, so it coexists with GitHub Spec Kit and Claude Code plan mode rather than replacing them. Works across Claude Code, Cursor, Codex, Copilot CLI, and 10+ agents. 250k+ GitHub stars, MIT license, no prompt or project data collected.
Key Capabilities
Composable skills library: TDD, debugging, code review, planning, and meta-skills that write new skills
Enforces senior-engineer discipline: RED-GREEN-REFACTOR, plan-before-code, verify-before-done
Passive SessionStart hook only, no prompt interception; coexists with Spec Kit and native plan mode
Subagent orchestration with fresh contexts and git-worktree isolation for parallel work
One-command install across Claude Code, Cursor, Codex, Copilot CLI, and 10+ agents
Free and open source (MIT), 250k+ GitHub stars, no prompt or project data collected
Standout Features
Composable Skills Library
Reusable skills for testing, debugging, collaboration, and code review, plus meta-skills that teach the agent to write new skills.
Test-Driven by Default
Enforces a RED-GREEN-REFACTOR cycle: write a failing test, watch it fail, then write the minimal code to pass.
Worktree Isolation + Subagents
Isolates work in git worktrees and dispatches subagents with fresh contexts for planning, execution, and review.
Non-Intrusive Hook
Registers only a SessionStart hook that surfaces skills. It never intercepts prompts or overrides plan mode, so it stacks with Spec Kit.
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