Gas Fee Predictor
Live Ethereum and L2 gas fees: current gas, cheapest L2, forecast, ETH price, cost estimates.
Connect it
Settings → Connectors → Add custom connector
URL: https://api.gasfeepredictor.com/api/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://api.gasfeepredictor.com/api/mcp{
"mcpServers": {
"gasfeepredictor-mcp": {
"url": "https://api.gasfeepredictor.com/api/mcp"
}
}
}claude mcp add --transport http gasfeepredictor-mcp https://api.gasfeepredictor.com/api/mcp{
"servers": {
"gasfeepredictor-mcp": {
"type": "http",
"url": "https://api.gasfeepredictor.com/api/mcp"
}
}
}{
"mcpServers": {
"gasfeepredictor-mcp": {
"command": "npx",
"args": [
"-y",
"gasfeepredictor-mcp@1.0.1"
]
}
}
}claude mcp add gasfeepredictor-mcp -- npx -y gasfeepredictor-mcp@1.0.17 tools, verified live
get_current_gasGet the current Ethereum mainnet gas price (low / average / high, in Gwei) plus the live ETH/USD price and a send-now-vs-wait recommendation. Use this to answer "what is the gas fee right now".
get_l2_gasCompare live Layer-2 gas fees across Arbitrum, Base, Optimism, and Polygon (Gwei and the estimated wallet fee in USD for a standard transfer), and identify the cheapest right now. Use for "cheapest L2" / "L2 gas fees" questions.
get_eth_priceGet the current ETH/USD spot price and its 24-hour change.
best_time_to_transactFind out whether to send a transaction now or wait — returns the current recommendation, expected savings, and when the next cheaper gas window is predicted.
estimate_transaction_costEstimate the current USD gas cost of a specific Ethereum mainnet action (ETH transfer, ERC-20/USDC transfer, Uniswap swap, or NFT mint), or a custom gas-units amount, at the chosen priority tier.
get_gas_forecastGet the forward-looking hourly Ethereum gas forecast (up to 24 hours ahead) with the predicted cheapest window. Use for "when will gas be cheaper", "should I wait until tomorrow", or planning a transaction.
get_gas_historyGet recent historical Ethereum mainnet gas prices over a chosen window, with min/max/average. Use to answer "what has gas been doing", "was gas cheaper yesterday", or to compare the current price against a recent baseline.
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