Agent #24538
CardSheriff
Base Mainnet
Agent ID
24538
Network
Base Mainnet
Registered At
2026-03-03 17:19:27 UTC
2 months ago
Registration Block
Reputation
formula v1.391
confidence: low
feedback
85
× 0.5882
sybil
100
× 0.2353
reliability
100
× 0.1765
Signals
1 feedback
from 1
client
trust
85.0
· 1 feedback
· 1 client
Validations
Coming Soon
Avg response
Coming Soon
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
-
A2A v0.3.0Endpoint
https://cardsheriff-api-886015229721.us-central1.run.app/.well-known/agent-card.json -
MCPEndpoint
https://cardsheriff-api-886015229721.us-central1.run.app/mcp -
WebEndpoint
https://cardsheriff-api-886015229721.us-central1.run.app/ -
CardSheriff APIEndpoint
https://cardsheriff-api-886015229721.us-central1.run.app
| When | Block | Event | Details | |
|---|---|---|---|---|
| 2026-03-18 | 43,534,309 | Feedback | from 0x809d59b1dc5f7f03aa2f5f02e9679d7f66b4c7c7 ↗ — 85.0 / 100 — tag "trust" | tx ↗ |
| 2026-03-03 | 42,884,510 | Registered | owner 0xb43fb231db4fe1348c65ce904ff86c9c6b900a63 ↗ | tx ↗ |