Base Gas MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 554 installs a week from npm. Last commit 19 Oct 2026.
Live Base gas, tx cost in USD, 4-chain comparison and gas history. Paid per call in USDC via x402.
Nothing serious here today
Today is the operative word: we check Base Gas MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add base-gas-mcp -e 'BUYER_PRIVATE_KEY=<BUYER_PRIVATE_KEY>' -- npx -y base-gas-mcp{
"mcpServers": {
"base-gas-mcp": {
"command": "npx",
"args": [
"-y",
"base-gas-mcp"
],
"env": {
"BUYER_PRIVATE_KEY": "<BUYER_PRIVATE_KEY>"
}
}
}
}[mcp_servers.base-gas-mcp]
command = "npx"
args = ["-y", "base-gas-mcp"]
env = { BUYER_PRIVATE_KEY = "<BUYER_PRIVATE_KEY>" }{
"mcpServers": {
"base-gas-mcp": {
"command": "npx",
"args": [
"-y",
"base-gas-mcp"
],
"env": {
"BUYER_PRIVATE_KEY": "<BUYER_PRIVATE_KEY>"
}
}
}
}{
"servers": {
"base-gas-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"base-gas-mcp"
],
"env": {
"BUYER_PRIVATE_KEY": "<BUYER_PRIVATE_KEY>"
}
}
}
}Put your own value in place of
<BUYER_PRIVATE_KEY> (Private 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).
The author’s registry entry marks it as required.
Optional settings from the registry entry, left out of the block above:
MAX_USD_PER_CALL (Refuse any single payment above this many USD. Default 0.05).
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Base Gas MCP — questions
Answers built from our own checks of this server.