Gas Fee Predictor MCP Server

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answering

Gas Fee Predictor is answering right now. Last checked 6 min ago. 44 installs a week from npm. It exposes 7 tools. Last commit 21 Sep 2026.

Live Ethereum and L2 gas fees: current gas, cheapest L2, forecast, ETH price, cost estimates.

Installs per day peak 10 · avg 5 · -3% w/w

a month agotoday

Uptime history 22 days of history

22 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

429 ms

Response time

average over 24h

Installs / week

npm and PyPI

Nothing serious here today

Today is the operative word: we check Gas Fee Predictor 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

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 6 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add gasfeepredictor-mcp --transport http https://api.gasfeepredictor.com/api/mcp

Settings → Connectors → Add custom connector, then paste this address

https://api.gasfeepredictor.com/api/mcp

~/.codex/config.toml

[mcp_servers.gasfeepredictor-mcp]
url = "https://api.gasfeepredictor.com/api/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "gasfeepredictor-mcp": {
      "url": "https://api.gasfeepredictor.com/api/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "gasfeepredictor-mcp": {
      "type": "http",
      "url": "https://api.gasfeepredictor.com/api/mcp"
    }
  }
}

Available tools 7

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

gas

get_gas_forecast

Get 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_history

Get 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.

get_l2_gas

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.

best

best_time_to_transact

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.

current

get_current_gas

Get 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".

estimate

estimate_transaction_cost

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.

eth

get_eth_price

Get the current ETH/USD spot price and its 24-hour change.

Endpoints

URL	Transport	State	Latency	Checked
https://api.gasfeepredictor.com/api/mcp	streamable-http	answering	425 ms	6 min ago

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Gas Fee Predictor — questions

Answers built from our own checks of this server.

What can Gas Fee Predictor do?

It exposes 7 tools, read directly from the server on our last check. Among them: best_time_to_transact, estimate_transaction_cost, get_current_gas, get_eth_price, get_gas_forecast, get_gas_history and 1 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Gas Fee Predictor working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 429 ms. The bar chart above shows every period we have measured.

How do I connect Gas Fee Predictor?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Gas Fee Predictor need an API key?

No. Gas Fee Predictor completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 7 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Gas Fee Predictor?

It answers our handshake in 429 ms on average, which is faster than 30% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

How many people use Gas Fee Predictor?

The npm package gasfeepredictor-mcp was installed 44 times in the last week. Week over week that is -3%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Gas Fee Predictor open source?

The code is open source: it is published under the MIT licence, written in JavaScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at api.gasfeepredictor.com, which runs on its operator's own terms.