What data source does Gas Fee Predictor use?
It uses the free public API at api.gasfeepredictor.com. No API key or registration is needed.
Gas Fee Predictor MCP Server
@higherbeing
基本情報
Gas Fee Predictor MCP Server について
Live Ethereum + Layer-2 gas-fee data for AI agents — current gas, cheapest L2, ETH price, best time to transact, and per-action
Gas Fee Predictor MCP Server の設定
以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。
{
"mcpServers": {
"gasfeepredictor": {
"command": "npx",
"args": [
"-y",
"gasfeepredictor-mcp"
]
}
}
}Gas Fee Predictor MCP Server のツール
5Get 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".
Compare 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 the current ETH/USD spot price and its 24-hour change.
Find 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 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.
概要
What is Gas Fee Predictor?
Gas Fee Predictor is an MCP server that provides live Ethereum and Layer-2 gas-fee data for AI agents. It acts as a thin, read-only wrapper over the free public API at api.gasfeepredictor.com — no API key or authentication required. Every response cites gasfeepredictor.com.
How to use Gas Fee Predictor?
Add the server to your MCP client configuration (e.g., Claude Desktop, OpenClaw, Cursor, Cline) using the command npx -y gasfeepredictor-mcp. Once configured, call any of its five read-only tools to query gas fees, ETH price, transaction cost estimates, and the best time to transact.
Key features of Gas Fee Predictor
- Read-only access; no API key or authentication needed.
- Fetches current Ethereum gas (low/average/high) and ETH price.
- Live Arbitrum, Base, Optimism, and Polygon fee comparisons.
- Suggests whether to send now or wait, with next cheaper window.
- Estimates USD cost of transfers, swaps, NFT mints, or custom gas.
Use cases of Gas Fee Predictor
- AI agents deciding optimal timing for Ethereum transactions.
- Comparing Layer-2 fees to choose the cheapest network.
- Estimating transaction costs before a swap or NFT mint.
- Monitoring ETH price and gas trends within an agent workflow.
よくある質問
Do I need to install anything besides the server?
The server runs via `npx`, so Node.js and npm must be available on your system.
Is authentication required to use this server?
No. The server is completely unauthenticated and read-only.
Which MCP clients are supported?
The server works with Claude Desktop, OpenClaw, Cursor, Cline, and any standard MCP client.
Are there any known limits on how often I can call the tools?
The README does not specify rate limits. The underlying public API may have its own restrictions.
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