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ChatGPT Setup

Connect CronoPay with ChatGPT to use natural language for blockchain payments.

Prerequisites​

  • CronoPay MCP server running (npm run dev)
  • ChatGPT Plus subscription
  • Access to ChatGPT's MCP configuration

Configuration Steps​

1. Start CronoPay Server​

cd CronoPay
npm run dev

You should see:

💰 CronoPay MCP Server running on http://localhost:3000/mcp
📦 Finance tools: transferToken, getBalance, cancel_pending_transaction
🧠 AI Planning tools: create_execution_plan, check_wallet_balance, assess_transaction_risk
🛠️  DevTools: visualize_plan, inspect_contract, read_contract, estimate_gas, decode_transaction
🎯 Advanced: simulate_transfer, batch_transfer, estimate_batch_gas, query_transactions, get_spending_summary

2. Configure ChatGPT​

  1. Open ChatGPT Settings
  2. Navigate to "Beta Features" or "MCP Servers"
  3. Add a new MCP server:
{
  "cronopay": {
    "url": "http://localhost:3000/mcp",
    "name": "CronoPay Payment Agent"
  }
}

3. Verify Connection​

In ChatGPT, try:

"Check my USDC balance"

If connected successfully, CronoPay will respond with your wallet balance.

Available Tools​

Once connected, you have access to 16 MCP tools:

Finance Tools​

  • transferToken - Send USDC on Cronos
  • getBalance - Check token balance
  • cancel_pending_transaction - Cancel stuck transactions

AI Planning Tools​

  • create_execution_plan - Generate multi-step plans
  • check_wallet_balance - Balance verification
  • assess_transaction_risk - Risk analysis

DevTools​

  • visualize_plan - Generate visual diagrams
  • inspect_contract - Contract inspection
  • read_contract - Read contract functions
  • estimate_gas - Gas cost estimation
  • decode_transaction - Transaction analysis

Advanced Tools​

  • simulate_transfer - Dry run simulation
  • batch_transfer - Multi-recipient transfers
  • estimate_batch_gas - Batch gas estimation
  • query_transactions - Transaction history
  • get_spending_summary - Spending analytics

Example Prompts​

Try these commands in ChatGPT:

"Send 2 USDC to 0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb"

"Visualize in HTML: Send 5 USDC if balance > 10"

"Simulate sending 100 USDC to 0x742d35... and show what would happen"

"Send 1 USDC to 3 addresses: 0x742d35..., 0xE20D41..., 0x123..."

Troubleshooting​

Server Not Connecting​

  • Verify server is running on port 3000
  • Check firewall settings
  • Ensure .env file is configured correctly

Transaction Failures​

  • Verify wallet has sufficient USDC balance
  • Check Cronos Testnet RPC is accessible
  • Ensure private key is correct in .env

API Errors​

  • Verify OpenAI API key in .env
  • Check API credits
  • Ensure model access (gpt-4o-mini recommended)

Next Steps​