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Add authorization to your agent stack

Liceat drops into whatever you already build with. Pick your stack:

Protect any Model Context Protocol (MCP) server with scoped, revocable permissions in one line — no

Give LangChain agents scoped, spend-capped, revocable permissions. Wrap any tool so the agent’s warr

Enforce scoped, revocable permissions on OpenAI tool/function calls. Check the agent’s warrant befor

Claude / Anthropic

Enforce scoped, revocable permissions on Anthropic Claude tool use. Verify the agent’s warrant befor

Add scoped, revocable permissions to Vercel AI SDK tools. Wrap execute() so the agent’s warrant is e

Give LlamaIndex agents scoped, revocable permissions. Wrap a FunctionTool so the agent’s warrant is

Give CrewAI multi-agent crews scoped, revocable permissions with safe delegation. Each agent acts on

Protect an Express/Connect API with warrant-based authorization for AI agents. One middleware enforc

Protect a Fastify API with warrant-based authorization for AI agents using the same Node-native enfo

Gate Next.js API route handlers on an AI agent’s warrant. Verify scope and spend before the handler

Python / FastAPI

Verify AI agent warrants in Python offline against the issuer’s public key, or enforce through the g

Autonomous agents

Bound what a long-running autonomous agent can do with scoped, spend-capped, expiring, revocable war

Start in 60 seconds.

Issue a scoped, revocable warrant and enforce it at the point of action.

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