Skill UI

Guide to implement Ed25519 digital signatures for document, code, and API signing, covering key pair generation, deterministic signing, verification flows, multi-signature checks, and RSA/ECDSA comparisons.

A governance skill designed to secure AI agent tool calls using advanced authorization policies. It implements Cedar policies to control which tools agents can access and under what conditions. Key features include running in 'Shadow mode' for safe observation, 'Enforce mode' for strict blocking, and generating cryptographically signed Ed25519 receipts to provide an immutable, tamper-evident audit trail for every policy decision.