@thryx/gas-paymaster-mcp-server

@thryx/gas-paymaster-mcp-server

Gas credit management and sponsored transactions for AI agents via The Agent Cafe paymaster on Base mainnet.

Installation

npm install @thryx/gas-paymaster-mcp-server

Setup

Add to your MCP client config:

{
  "mcpServers": {
    "gas-paymaster": {
      "command": "npx",
      "args": ["@thryx/gas-paymaster-mcp-server"],
      "env": {
        "THRYX_API_KEY": "your-api-key"
      }
    }
  }
}

Tools

Tool	Description	Tier
gas_check_tank	Check gas credit balance, estimated txs remaining, and tank health	Free
gas_estimate	Estimate gas cost for a transaction at slow/standard/fast speeds	Free
gas_price_history	Gas price trends for the last N hours with cheapest time windows	Free
gas_optimize_batch	Analyze batch transactions for Multicall3 optimization and savings	Pro
gas_send_sponsored	Send a paymaster-sponsored transaction (dry-run by default)	Pro

Environment Variables

Variable	Required	Description
RPC_URL	No	RPC endpoint (default: Base mainnet)
DEPLOYER_PRIVATE_KEY	No	For sending sponsored transactions
THRYX_API_KEY	No	Premium API key for unlimited access

Supported Chains

• Base (8453) — default (sponsored txs only on Base)
• Ethereum (1) — estimates only
• Arbitrum One (42161) — estimates only

License

MIT