MeTTaPay - ENS Pay Agent

AI agent which does your work of sending money to your friends on a simple prompt.

AI agent for sending USDC to ENS names using natural language, powered by MeTTa Knowledge Graphs and uAgents framework.

Purpose

Send crypto payments using simple commands like "Send 5 USDC to alice.eth". The agent uses MeTTa symbolic reasoning for smart caching, pattern detection, and transparent decision-making.

Features

• Natural Language Processing: "Send 5 USDC to vitalik.eth"
• ENS Resolution: Converts alice.eth → wallet address
• Multi-Chain: Ethereum, Polygon, Sepolia
• MeTTa Knowledge Graphs: Symbolic reasoning with facts and rules
• Smart Caching: Remembers ENS names and balances
• Safety Checks: Detects suspicious patterns, validates amounts

Usage

Basic Commands

Send 5 USDC to vitalik.eth
Pay 10 USDC to nick.eth
Check my balance
Help

API Endpoint

POST /endpoint
{
  "prompt": "Send 5 USDC to vitalik.eth",
  "user_address": "0x742C65D61A6a2b1E3eA6c9c5C0b6C7F8D9e1A0B2",
  "chain_id": 11155111
}

MeTTa Queries

POST /metta-query
{
  "query": "(query (can-pay user123 5))"
}

Installation

pip install uagents web3 ens flask python-dotenv
python ens_pay_agent.py

Environment Variables:

RPC_URL=https://eth-sepolia.g.alchemy.com/v2/YOUR_KEY
USDC_CONTRACT_ADDRESS=0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238

MeTTa Knowledge Graph

The agent uses symbolic reasoning:

• Facts: (balance user123 25.5), (ens-address vitalik.eth 0x1234...)
• Rules: (= (can-pay ?user ?amount) (>= (balance ?user) ?amount))
• Queries: (query (payment-safe user123 5 vitalik.eth))

Endpoints

• GET /health - Health check
• GET /knowledge-graph - View MeTTa facts/rules
• POST /metta-query - Query knowledge graph
• POST /endpoint - Main payment processing

Safety

• Non-custodial (your wallet, your keys)
• Amount limits (max 10,000 USDC)
• Pattern detection for suspicious activity
• Transaction approval required