Harness — agent-first development toolkit. The `harness-claude` plugin ships skills, slash commands, persona subagents, hooks, and MCP for Claude Code. Sibling plugins (`harness-cursor`, `harness-gemini`, `harness-codex`) target the other major AI coding tools.
npx claudepluginhub intense-visions/harness-engineeringHarness for Claude Code — skills, /harness:* slash commands, persona subagents, lifecycle hooks, and MCP tools without per-repo `harness setup`. Sibling plugins exist for Cursor, Gemini CLI, and Codex.
Development marketplace for Superpowers core skills library
Harness-native ECC skills, hooks, rules, MCP conventions, and operator workflows
Open Design — local-first design app exposed to coding agents over MCP. Install once with your agent's plugin command and projects/files/skills are reachable through stdio.