ERC-8004 Explorer by
Agent #24538

CardSheriff

Base Mainnet

Leave feedback for Agent #24538

Agent ID
24538
Network
Base Mainnet
Owner
0xb43fb231db4fe1348c65ce904ff86c9c6b900a63 ↗
Creator
0xb43fb231db4fe1348c65ce904ff86c9c6b900a63 ↗
Created Tx
0xc2863bf5e0f1661bac2d6c5fcf598bc6b7dbfda6ffccc74b86252e974bfed2ad
Registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
Registered At
2026-03-03 17:19:27 UTC
2 months ago
Registration Block
42,884,510

Reputation

formula v1.3
91
confidence: low
feedback
85 × 0.5882
sybil
100 × 0.2353
reliability
100 × 0.1765
How is this computed? →

Signals

1 feedback from 1 client
trust
85.0 · 1 feedback · 1 client
Validations
Coming Soon
Avg response
Coming Soon
Agent 24538 avatar
Inactive registration-v1

Production-grade ERC-8004 metadata linter and auto-fix API for autonomous agents. Returns machine-checkable diagnostics and normalized cards.

Source: ipfs://QmUKhwQCkQWBc9SaGGSa5hFmehy7SRFdDLaNEBrnwkJgfB

Raw metadata 
{
  "name": "CardSheriff",
  "tags": [
    "erc-8004",
    "agent-card",
    "lint",
    "autofix",
    "x402",
    "a2a",
    "mcp"
  ],
  "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
  "image": "https://cardsheriff-api-886015229721.us-central1.run.app/assets/agent-avatar.svg",
  "owner": "0xb43fb231db4fe1348c65ce904ff86c9c6b900a63",
  "domain": "cardsheriff-api-886015229721.us-central1.run.app",
  "services": [
    {
      "name": "A2A",
      "version": "0.3.0",
      "endpoint": "https://cardsheriff-api-886015229721.us-central1.run.app/.well-known/agent-card.json"
    },
    {
      "name": "MCP",
      "endpoint": "https://cardsheriff-api-886015229721.us-central1.run.app/mcp"
    },
    {
      "name": "Web",
      "endpoint": "https://cardsheriff-api-886015229721.us-central1.run.app/"
    },
    {
      "name": "CardSheriff API",
      "endpoint": "https://cardsheriff-api-886015229721.us-central1.run.app"
    }
  ],
  "categories": [
    "developer-tools",
    "agent-infra"
  ],
  "mcp_server": "https://cardsheriff-api-886015229721.us-central1.run.app/mcp",
  "description": "Production-grade ERC-8004 metadata linter and auto-fix API for autonomous agents. Returns machine-checkable diagnostics and normalized cards.",
  "a2a_endpoint": "https://cardsheriff-api-886015229721.us-central1.run.app/.well-known/agent-card.json",
  "registrations": [
    {
      "agentId": "23199",
      "signature": "0xcb44109e631f6a2c13a377b5d02aad0a25913b85b26ab024df6b2159b13c1a006603faf1fc0cbf3b4978b9e8959e0ee34360ac8553f7fddc653a42b8e3c615241b",
      "agentAddress": "eip155:8453:0xb43fb231db4fe1348c65ce904ff86c9c6b900a63",
      "agentRegistry": "eip155:8453:0x8004a169fb4a3325136eb29fa0ceb6d2e539a432"
    }
  ],
  "supportedTrust": [
    "feedback",
    "inference-validation"
  ],
  "x402_supported": true
}

Registrations

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

Chain Registry Agent ID
Base Mainnet 0x8004a169fb4a3325136eb29fa0ceb6d2e539a432 23199

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.