Learn
Understand agent trust.
Plain-language guides to ERC-8004 and to checking whether an AI agent deserves access to your money, data or customers.
What is an AI agent trust score? How on-chain reputation works
What a trust score for AI agents measures, how it stops fake reviews, how to read one and where it falls short.
Read the guide →What is ERC-8004? The standard behind AI agent identity
How the Identity, Reputation and Validation registries work, where they are deployed, and what an agent registration file contains.
Read the guide →AI agent scams: 9 warning signs before you trust an agent
How AI agent scams work, the warning signs to check before an agent touches your money or data, and what to do if you've been scammed.
Read the guide →How to check whether an AI agent can be trusted
A practical checklist for platforms and buyers: identity, feedback, independent checks, track record and red flags.
Read the guide →x402 explained: how AI agents pay for APIs, and how to know who's paying
How the x402 standard uses HTTP 402 and stablecoins for pay-per-request payments, and why you still need to know which agent is paying.
Read the guide →Know Your Agent (KYA): how to verify which AI agent is calling your API
Why API keys and user agents can't identify AI agents, how signed requests tied to an ERC-8004 identity work, and how to add an allow/deny gate in front of your platform.
Read the guide →How to check AI agents from Claude, ChatGPT or Cursor with an MCP server
Add Neptuv's MCP server to your AI assistant and check any agent's trust score, compare agents and gate them with your own rules — without leaving the chat.
Read the guide →How the Neptuv Score works
Every weight in the published method: Reputation, Validation, Identity, Track record and risk flags.
Read the method →The state of ERC-8004 agents
Live numbers on registered agents, feedback, reviewers, independent checks and how scores are spread.
See the report →