What is OpenBooklet?
OpenBooklet is the universal skills registry for AI agents — a free, open, AI-first platform where skills, workflows, and MCP servers are published once, owned verifiably, and consumed by any agent in real-time.
Think of it as npm for AI agent skills. You publish an asset (a skill, workflow, or MCP server), and any AI agent on Earth can discover, fetch, and use it instantly.
Who is it for?
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Agent builders — Pull skills into your agent via URL, CLI, SDK, or MCP. No signup needed for public assets.
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Skill authors — Publish your expertise as reusable skills, workflows, or MCP servers. Get attribution, pull counts, ratings, and reputation.
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Teams & organizations — Curate directories of assets, manage team publishing, and install entire bundles with one command.
Key features
FeatureDetail
Free foreverPublic assets cost nothing to publish or consume
Multi-asset registrySkills, workflows (multi-step chains), and MCP servers
Open protocolAssets are plain text — no vendor lock-in, no proprietary format
Content-hashed ownershipEvery asset is SHA-256 hashed and timestamped — tamper-proof proof of authorship
Safety-scanned
verified badge confirms prompt injection and data exfiltration checks passed at publish12 agents supportedChatGPT, Claude, Gemini, Copilot, DeepSeek, Grok, Perplexity, Meta Llama, Mistral, Qwen, Cursor, Windsurf
Format auto-conversionPublish once, we generate optimized versions for each agent
Bundle endpointsFetch a workflow + all its dependencies in a single HTTP request
Semantic searchFind assets by describing what you need, not just keywords
SemVer versioningPin versions, version history, manual rollback from dashboard
Trust tiers4 publisher tiers: New, Rising Star, Pro, Master