Agent Receipts — cryptographically signed audit trails for AI agent actions. Protocol spec, SDKs (Go, TypeScript, Python), and MCP proxy.
Verify SignForge-signed PDFs offline — W3C VC, ECDSA P-256, Merkle proofs, JAdES JWS. Python 3.9+.
Challenge-response quality verification for AI agents and MCP servers. 6-axis scoring, adversarial probes, W3C Verifiable Credentials.
