Gas Estimator API is a Model Context Protocol (MCP) server: Multi-chain gas estimation — ETH, Base, Polygon, Arbitrum, BSC. x402 micropayment. Because it speaks the Model Context Protocol, AI assistants can use Gas Estimator API as a set of callable tools instead of you copy-pasting between apps.
It's a hosted (remote) server — point your client at https://gas-estimator.api.klymax402.com/mcp and you're connected, with nothing to install locally. The current release is v1.1.0, published under the MIT license, with source at Br0ski777/gas-estimator-x402 on GitHub.
On mcp.site, Gas Estimator API sits in the Finance category. Any MCP client can use it — Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed among them — via the install snippets below. If you maintain Gas Estimator API for Br0ski777, claim this listing to verify ownership, earn the Verified badge, and keep the details current.