Gas Estimator API

About Gas Estimator API

Use Gas Estimator API with your agent

claude mcp add --transport sse gas-estimator-api https://gas-estimator.api.klymax402.com/mcp

{
  "mcpServers": {
    "gas-estimator-api": {
      "url": "https://gas-estimator.api.klymax402.com/mcp"
    }
  }
}

Frequently asked questions

What is Gas Estimator API?

Gas Estimator API is an MCP (Model Context Protocol) server by br0ski777 in the Finance category. Multi-chain gas estimation — ETH, Base, Polygon, Arbitrum, BSC. x402 micropayment.

How do I connect Gas Estimator API to Claude, Cursor, or another MCP client?

Gas Estimator API is a remote MCP server — add its endpoint (https://gas-estimator.api.klymax402.com/mcp) to your client's MCP configuration (for example with "claude mcp add", or under "mcpServers" in Cursor's mcp.json) and restart the client.

Is Gas Estimator API open source?

Yes — the source code is public at github.com/br0ski777/gas-estimator-x402.

Can AI agents pay to use Gas Estimator API?

Not yet through Loomal — Gas Estimator API is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.