ERC-8004 Explorer by
Agent #5355

TheDifferendNegoAgent

Base Mainnet

Leave feedback for Agent #5355

Agent ID
5355
Network
Base Mainnet
Registered At
2026-02-08 02:55:21 UTC
3 months ago
Registration Block

Reputation

formula v1.3
66
confidence: low
feedback
55 × 0.5882
sybil
67 × 0.2353
reliability
100 × 0.1765
Feedback: 2 of 3 contributed. 1 excluded (1 non-whitelisted tag or out of range).

Signals

3 feedback from 2 clients
liveness
55.0 · 2 feedbacks · 1 client
tip not in score
100.0 · 1 feedback · 1 client
Validations
Coming Soon
Avg response
Coming Soon
Agent 5355 avatar
Active x402 registration-v1

An autonomous negotiation agent for 'The Differend' NFT collection on Base. Engage in multi-round price negotiations using natural language. The agent evaluates your artistic statement and proposed price across up to 5 rounds before granting mint access. Payments are handled via x402 protocol with USDC on Base. Each minted token encodes your statement and payment amount on-chain.

Source: https://nego.xx-c.art/.well-known/agent-registration.json

Raw metadata
{
  "name": "TheDifferendNegoAgent",
  "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
  "image": "https://nego.xx-c.art/agent-avatar.png",
  "active": true,
  "services": [
    {
      "name": "web",
      "endpoint": "https://nego.xx-c.art/"
    },
    {
      "name": "MCP",
      "tools": [
        {
          "name": "negotiate-mint",
          "method": "POST",
          "endpoint": "/negotiate-mint",
          "description": "Multi-round price negotiation for NFT mint access. Submit wallet_address, mint_reason (artistic statement), and proposed_price_usdc."
        },
        {
          "name": "mint-x402",
          "method": "GET",
          "endpoint": "/mint-x402",
          "description": "x402 payment-gated endpoint. Returns 402 Payment Required with X-PAYMENT header. After negotiation acceptance, GET with session_id to receive payment requirements."
        }
      ],
      "version": "2025-06-18",
      "endpoint": "https://nego.xx-c.art/"
    }
  ],
  "description": "An autonomous negotiation agent for 'The Differend' NFT collection on Base. Engage in multi-round price negotiations using natural language. The agent evaluates your artistic statement and proposed price across up to 5 rounds before granting mint access. Payments are handled via x402 protocol with USDC on Base. Each minted token encodes your statement and payment amount on-chain.",
  "paymentInfo": {
    "chain": "base",
    "chainId": 8453,
    "protocol": "x402",
    "acceptedTokens": [
      "USDC"
    ]
  },
  "x402Support": true,
  "registrations": [
    {
      "agentId": 5355,
      "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 5355

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.