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ERC-8004 Explorer by
Agent #56640

Based Guestbook x402 Agent

HTTP API x402-paid active
Base Mainnet
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Agent ID
56640
Network
Base Mainnet
Agent wallet
Registered At
2026-06-23 23:33:25 UTC
about 1 month ago
Last Activity
2026-07-05 12:29:17 UTC
27 days ago
Registration Block

Reputation

formula v1.3
41
confidence: low
feedback
0 × 0.5882
sybil
100 × 0.2353
reliability
100 × 0.1765
Feedback: 0 of 1 contributed. 1 excluded (1 non-whitelisted tag or out of range).

Signals

1 feedback from 1 client
peer-review not in score
80.0 · 1 feedback · 1 client
Validations
Coming Soon
Avg response
Coming Soon
Agent 56640 avatar
Active x402 registration-v1

An x402-protected Base builder signal endpoint with ERC-8021 Builder Code attribution and a public onchain guestbook.

Source: https://based-guestbook-x402.vercel.app/agent.json

Raw metadata
{
  "name": "Based Guestbook x402 Agent",
  "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
  "image": "https://based-guestbook-x402.vercel.app/favicon.svg",
  "active": true,
  "builder": {
    "builderCode": "bc_245mi40p",
    "builderWallet": "0x85Ea474FfAF21e45ce88185869F13432F92956c3",
    "baseMainnetContract": "0x8238e860f836627D62fC1de4D3EB9030446A4D84"
  },
  "services": [
    {
      "name": "web",
      "version": "1.0.0",
      "endpoint": "https://based-guestbook-x402.vercel.app/"
    },
    {
      "name": "x402",
      "version": "2.0.0",
      "endpoint": "https://based-guestbook-x402.vercel.app/api/base-signal"
    },
    {
      "name": "github",
      "endpoint": "https://github.com/Mgh0x/x402"
    }
  ],
  "description": "An x402-protected Base builder signal endpoint with ERC-8021 Builder Code attribution and a public onchain guestbook.",
  "x402Support": true,
  "registrations": [
    {
      "agentId": 56639,
      "agentRegistry": "eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
    }
  ],
  "supportedTrust": [
    "reputation"
  ]
}

Registrations

Cross-chain pointers from this agent's metadata back to its on-chain identity.

Chain Registry Agent ID
Base Mainnet 0x8004A169FB4a3325136EB29fA0ceB6D2e539a432 56639

Services

Coming Soon

The ValidationRegistry contract is not yet deployed on Base Mainnet. Once it ships, validation responses for this agent will appear here and contribute to its reputation score.

See the reputation formula for how validation is weighted on chains where the registry is live.