{"id":"agent-arena","name":"Agent Arena Registry","af_score":23.5,"security_score":49.0,"reliability_score":47.5,"what_it_does":"On-chain ERC-8004 agent registry. Search, register, and check reputation across 16 chains.","best_when":null,"avoid_when":null,"last_evaluated":"2026-03-21T23:56:57.630235+00:00","has_mcp":false,"has_api":false,"auth_methods":[],"has_free_tier":false,"known_gotchas":[],"error_quality":null}