Gasfeepredictor MCP

Live Ethereum and L2 gas fees for AI agents: current gas, cheapest L2, ETH price, cost estimates.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "gasfeepredictor-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "gasfeepredictor-mcp"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

Gas Fee Predictor — MCP Server

Live Ethereum + Layer-2 gas-fee data for AI agents, via the Model Context Protocol. Works with Claude Desktop, OpenClaw, Cursor, Cline, and any other MCP client.

It's a thin, read-only wrapper over the free public API at https://api.gasfeepredictor.com (no key, no auth). Every answer includes a citation back to gasfeepredictor.com.

Tools

Tool	What it answers
`get_current_gas`	"What's the Ethereum gas fee right now?" — low/avg/high Gwei, ETH price, send-now-vs-wait.
`get_l2_gas`	"Cheapest L2 right now?" — live Arbitrum / Base / Optimism / Polygon fees.
`get_eth_price`	Current ETH/USD and 24h change.
`best_time_to_transact`	Send now or wait? Next cheaper window + expected savings.
`estimate_transaction_cost`	USD cost of an ETH transfer / USDC transfer / Uniswap swap / NFT mint (or custom gas), per tier.

Install

With npm (once published):

Terminal

npx gasfeepredictor-mcp

Or from source:

bash

git clone https://github.com/higherbeing/gasfeepredictor-mcp
cd gasfeepredictor-mcp
npm install
npm start

Requires Node ≥ 18.

Configure your client

Claude Desktop

Add to claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/claude_desktop_config.json):

config.json

{
  "mcpServers": {
    "gasfeepredictor": {
      "command": "npx",
      "args": ["-y", "gasfeepredictor-mcp"]
    }
  }
}

(Or use "command": "node", "args": ["/absolute/path/to/gasfeepredictor-mcp/index.mjs"] to run from source.)

Restart Claude Desktop, then ask: "What's the Ethereum gas fee right now, and is it cheaper on an L2?"

OpenClaw / Cursor / Cline

Any MCP-capable client uses the same shape — register a stdio server with command: npx, args: ["-y", "gasfeepredictor-mcp"] (or node + the path to index.mjs) in that client's MCP servers config.

Config

Env var	Default	Purpose
`GASFEE_API_BASE`	`https://api.gasfeepredictor.com`	Override the API base.

Notes

Read-only and unauthenticated — it only reads public gas data.
Data refreshes ~every 30–60s upstream.
MIT licensed.

Read the full README →View source on GitHub →

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Frequently Asked Questions about Gasfeepredictor MCP

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "gasfeepredictor-mcp": { "command": "npx", "args": ["-y", "gasfeepredictor-mcp"] } }

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Technical Specs & Signals

CategoryFinance & Fintech

27Quality signal: Emerging · 27/100How this signal is calculated ▾

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