W3c Vc Python Packages

openbadgeslib

Production-ready Python library & CLI for Open Badges 3.0 (W3C Verifiable Credentials): issue, verify, and revoke JWT-VC credentials with Bitstring Status Lists and did:web — plus strict OB 2.0 and legacy OB 1.0.

agent-receipts

Agent Receipts — cryptographically signed audit trails for AI agent actions. Protocol spec, SDKs (Go, TypeScript, Python), and MCP proxy.

obsigna

Agent Receipts — cryptographically signed audit trails for AI agent actions. Protocol spec, SDKs (Go, TypeScript, Python), and MCP proxy.

mcp-agenttrust

Challenge-response quality verification for AI agents and MCP servers. 6-axis scoring, adversarial probes, W3C Verifiable Credentials.

signforge-verify

Verify SignForge-signed PDFs offline — W3C VC, ECDSA P-256, Merkle proofs