Superpower MCP

Superpowers is a skills library for Claude Code that enforces disciplined workflows -- TDD, systematic debugging, brainstorming, planning, and more. This server exposes those skills to any MCP-compatible client: Cursor, Windsurf, Gemini, Kilo Code, Claude Desktop, or your own app.

git clone https://github.com/erophames/superpowers-mcp.git cd superpowers-mcp npm install npm run build

On first run in a terminal, the setup wizard clones the superpowers repository and saves the configuration.

Add to your client's MCP server configuration:

{ "mcpServers": { "superpowers": { "command": "node", "args": ["/absolute/path/to/superpowers-mcp/build/index.js"] } } }

Replace/absolute/path/to/with the actual path where you cloned the repository.

The server registers skills through all three MCP primitives:

Each skill is registered as an MCP prompt namedsuperpowers:{skill-name}. Clients that support prompt selection will show these in their UI. Selecting a prompt injects the full skill content into the conversation.

Each skill'sSKILL.mdand supporting files are registered as resources:

superpowers://skills/brainstorming/SKILL.md superpowers://skills/test-driven-development/testing-anti-patterns.md superpowers://skills/systematic-debugging/root-cause-tracing.md

A resource templatesuperpowers://skills/{skillName}/{fileName}enables dynamic access to any file.

- "What superpowers skills are available?" (callslist_skills)
- "Use the brainstorming skill to help me design a caching layer."
- "Load the TDD skill and follow it to implement this feature."
- "Read the anti-patterns file from the test-driven-development skill."
- "Recommend the best skills for implementing this MCP feature."
- "Compose a workflow for debugging flaky tests."
- "Validate this workflow: brainstorming, writing-plans, test-driven-development."
- "Search skills for root cause tracing techniques."
- SUPERPOWERS_SKILLS_DIRenvironment variable
- Saved directory from the setup wizard (persisted in~/.config/superpowers-mcp)
- Claude Code plugin cache (~/.claude/plugins/cache/claude-plugins-official/superpowers/*/skills/)

When skills are sourced from a git repository, the server checks for updates once per day on startup and pulls new changes automatically.

src/ index.ts Entry point, stdio transport, setup and update orchestration server.ts McpServer creation, composes all registrations config.ts Persistent configuration update.ts Daily auto-update check git.ts Git operations (clone, pull, fetch) via execFile cli/setup.ts Interactive setup wizard skills/ types.ts Skill, SkillFile, SkillMetadata interfaces discovery.ts Directory scanning, YAML frontmatter parsing, version resolution tools/register.ts list_skills, use_skill, get_skill_file prompts/register.ts One MCP prompt per skill resources/register.ts Static resources per file + resource template for dynamic access

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