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Multi-chain gas estimation — ETH, Base, Polygon, Arbitrum, BSC. x402 micropayment.; mcp-keepalive grade A; uptime 100%; p50 136ms; auth none

Transport
sse
Auth
Cost

How to connect

MCP endpoint (sse)
https://gas-estimator.api.klymax402.com/mcp
JSON-RPC initialize probe
curl -X POST https://gas-estimator.api.klymax402.com/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'
Homepage
https://github.com/Br0ski777/gas-estimator-x402
Source code
https://github.com/Br0ski777/gas-estimator-x402
Listed at (agenstry)
https://holyai.me/mcp-keepalive/s/io.github.Br0ski777~gas-estimator