Knack

What it does

Author and improve the skills your agents use with versioning, observability, and sharing. Hand the Knack CLI to the AI agent already on your machine; it interviews you, captures your real workflows, judgment, and edge cases, and publishes portable skills that run in Claude, Cursor, Codex, or any agent. Build, version, share, and refine. Self-host via GitHub, or use Knack Cloud.

Knack is the no-code platform for AI agent skills management. Hand the knack CLI to the AI agent already on your machine; it interviews you, captures your real workflows, judgment, and edge cases, and publishes portable Anthropic Skills that run in Claude, Cursor, Codex, or any agent. Build, version, share, and refine.

Author, version, share, observe, and track skills from any agent. Free to start, no credit card. Open source and self-hostable. You're already writing skills. They scatter across chats, spawn near-identical copies, and drift out of sync until nobody can say which version is live. Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, and any other agent that reads the open Anthropic Skills format (SKILL.md). Knack logs every skill run across every agent you and your team use. When one misses an edge case, the agent captures the correction as a new rule and bumps a version. The next run anywhere gets the updated logic automatically. The skill your agents run next month is measurably sharper…from getknack.ai

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