Garl-Protocol / garl Star 0 Code Issues Pull requests Cryptographic verification for AI agent actions — signed Action Receipts (v0.1), multi-dimensional Trust Vector, capability tokens (JWT-shaped + ECDSA-secp256k1 + Biscuit-style attenuation), UETA §10(b) undo. 28 MCP tools. A2A v1.0 + ERC-8004 format compatible. Starting with code. mcp protocol ecdsa trust reputation ai-agents fastapi a2a ueta langchain crewai trust-scoring agent-economy erc-8004 agent-trust capability-tokens action-receipts trust-vector Updated Apr 27, 2026 Python