AgentPassport

What it does

AI agents connect everywhere, but there’s no standard way to answer: who owns it, is it trusted, what can it do, and is it revoked? AgentPassport is the identity and trust layer for AI agents. We issue verifiable passports agents present when calling your API. One call returns identity, scopes, trust score, and a policy decision. Operators can register agents, issue passports, and revoke instantly. Think OAuth + Auth0, but for AI agents.

Issue, verify, and revoke verifiable identity passports for AI agents. The trust layer between agents and services.

AgentPassport issues cryptographically signed identity documents to AI agents — defining who they are, who owns them, and what they're permitted to do. Services verify passports before granting access. Today AI agents can connect to tools and services, but there is no standard way to answer who owns this agent, is it trusted, or what is it allowed to do. Know who owns the agent, what org it belongs to, whether it's trusted — before it touches anything. Agents receive cryptographically signed passports that services can verify in milliseconds. Give sites a clear, enforceable way to allow agents in — with scope, trust level, and revocation. Turn trust into something visual, memorable, and…from agentspassports.com

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  Agent Passport – OAuth-like identity verification for AI agentsFeb 2026 · agent-passport-red.vercel.app · ▲14

  Hi HN, I built Agent Passport, an open-source identity verification layer for AI agents. Think "Sign in with Google, but for Agents." The problem: AI agents are everywhere now (OpenClaw has 180K+ GitHub stars, Moltbook had 2.3M agent accounts), but there's no standard way for agents to prove their identity. Malicious agents can impersonate others, and skill/plugin marketplaces have no auth layer. Cisco's security team already found data exfiltration in third-party agent skills. Agent Passport solves this with: - Ed25519 challenge-response authentication (private keys never leave the…

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