The answer

AgentTrust — Identity & Trust for A2A Agents

Top verified match: it matches your intent, it is the official vendor server, corroborated across multiple registries.

fresh · published 181d ago · verified 2026-08-08tested · static-verifiedsigned passport ✓score 53/100

claude mcp add AgentTrust — Identity & Trust for A2A Agents -- npx -y @agenttrust/mcp-server

Runners-up

AgentTrust43/100 · weaker match
Lithtrix — Identity, Memory & Trust for AI Agents53/100 · weaker match
com.clauxel.a2aidentitytoll/a2aidentitytoll-mcpnot yet verified43/100 · weaker match