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mcp/harbor
Verified official

Gas Estimator API MCP

v1.1.0

io.github.br0ski777/gas-estimator

Multi-chain gas estimation — ETH, Base, Polygon, Arbitrum, BSC. x402 micropayment.

transport:sse
View source Website

Target client

run in your project directory 

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

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.