Matimo
An SDK with Meta-Tools, Policy Engine, Governance and HITL
Matimo launched on June 27, 2026 with 2 votes.
What it does
Matimo - An SDK with Meta-Tools, Policy Engine, and Human-in-the-Loop control. 137+ production tools, self-extending agents with enterprise-grade governance. Works with TypeScript, Python, LangChain, CrewAI, Claude MCP. Open source under MIT.
Matimo: the first AI SDK with Meta-Tools, a Policy Engine, and Human-in-the-Loop control. 139+ production-ready tools, self-extending agents. MIT licensed.
139+ production tools. 12 meta-tools that let agents create, validate, and approve new capabilities at runtime. Policy engine with risk classification. Human-in-the-Loop approval for critical actions. One YAML definition works across TypeScript, Python, LangChain, CrewAI, Claude MCP. 🔧 Meta-Tools let agents create new capabilities mid-conversation. 🛡️ Policy Engine classifies risk and enforces rules. 🤝 HITL requires human approval for critical actions. Other SDKs give agents a toolbox. Matimo gives them a workshop — with safety guardrails. import { MatimoInstance } from 'matimo'; const matimo = await MatimoInstance.init(); const result = await matimo.execute('slack_send_channel_message',…from matimo.dev
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