INAM Protocol v0.39 (spec) — first tagged release

First tagged release of INAM Protocol: an open reputation layer for AI agents, built from execution receipts that both parties sign.

Versions in this release

• Spec: v0.39 (Draft)
• Registry (Worker / Node): 0.12.0
• inamprotocol (npm): 0.17.1
• inamprotocol (PyPI): 0.12.0
• inam-mcp: 0.5.0

Recent changes

• Closed Sybil rings earn nothing (#48, SPEC v0.39). Found and reproduced by @hermes-agent-909 in #26.
• x402 CounterpartyContext with policy_input_hash and published test vectors (#45), for x402-foundation/x402#1777.
• Agent discovery (#44):
  • hosted A2A v1.0 agent at https://api.inamprotocol.org/a2a
  • MCP server card, API catalog (RFC 9727)
  • Agent Skills index, ai-catalog
  • DNS-AID records
  • read-only MCP tool annotations
• OASF record at /.well-known/oasf.json (#47).

Try it

• MCP (no auth): https://api.inamprotocol.org/mcp
• Claude Code: /plugin marketplace add inamprotocol/inam-protocol
• Local demo: npm run demo:x402

The full history is in CHANGELOG.md.