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 233d ago · verified 2026-10-24tested · failedunsignedscore 0/100
claude mcp add AgentTrust — Identity & Trust for A2A Agents -- npx -y @agenttrust/mcp-server