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Live Base gas, tx cost in USD, 4-chain comparison and gas history. Paid per call in USDC via x402.
npx @getmcp/cli add io.github.memosr/base-gas-mcpRequires Node.js 18+. Community-contributed server. Review source before installing.
BUYER_PRIVATE_KEYPrivate key of a Base mainnet wallet holding a little USDC. Pays $0.002 to $0.02 per call. Use a separate wallet with small funds.
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.github.memosr/base-gas-mcp": {
"command": "npx",
"args": [
"-y",
"base-gas-mcp"
],
"env": {
"BUYER_PRIVATE_KEY": "",
"MAX_USD_PER_CALL": ""
}
}
}
}