io.github.memosr/base-gas-mcp

Is the io.github.memosr/base-gas-mcp MCP server down? No. It is up and needs env, probed 2026-10-26.

Live Base gas, tx cost in USD, 4-chain comparison and gas history. Paid per call in USDC via x402.

needs env probed 2026-11-15 · unchanged since 2026-10-26

MCP error -32000: Connection closed
Error: MAX_USD_PER_CALL must be a positive number, got "mcpcost-placeholder"
    at ModuleJob.run (node:internal/modules/esm

Run it: npx -y base-gas-mcp@0.3.2 (stdio, probed in a container with the network off)
Host: npmjs.com
Repository: https://github.com/memosr/base-gas-mcp
Website: https://base-gas-x402.vercel.app
Registry: active, updated 2026-10-18 · registry entry

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Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.

For the publisher

The server exits because an environment variable is missing. The probe starts the package without secrets. A server that starts without secrets and asks for them on the first tool call is measured.