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MGO — Multi-chain Gas Optimizer MCP Server

by dlrjsdl200-byte Your server? Claim it
not responding

MGO — Multi-chain Gas Optimizer is listed as active in the registry but did not answer our last check. 57 installs a week from npm. It exposes 4 tools. Last commit 20 Oct 2026.

Cheapest EVM chain across up to 9 networks with savings %. Free demo tools, paid tools via x402.

Installs per day peak 24 · avg 6 · +16% w/w
a month agotoday
Uptime history 91 days of history · worst day 38%
91 days agonow
56.0%
Uptime 24h
51 of 91 checks
4
Tools
read from the server
238 ms
Response time
average over 24h
57
Installs / week
npm and PyPI

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 9 September 2026. No other catalogue keeps this.

9 Sep a tool changed version

What the code does

We read the source, 4 d ago · tools taken from the live server · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Package points at a different repository dlrjsdl200-byte/mgo-mcp-server 
пакет chain-ops-mgo ссылается на dlrjsdl200-byte/chain-ops-mgo

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 13 min ago.

run in your terminal
claude mcp add mgo-mcp-server --transport http https://x402-gas-api.vercel.app/mcp
Settings → Connectors → Add custom connector, then paste this address
https://x402-gas-api.vercel.app/mcp
~/.codex/config.toml
[mcp_servers.mgo-mcp-server]
url = "https://x402-gas-api.vercel.app/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "mgo-mcp-server": {
      "url": "https://x402-gas-api.vercel.app/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mgo-mcp-server": {
      "type": "http",
      "url": "https://x402-gas-api.vercel.app/mcp"
    }
  }
}

Available tools 4

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_basic
Find the cheapest EVM chain before sending a transaction. Compares live gas across Ethereum, Base, Arbitrum & Optimism and returns the cheapest chain with savings % (e.g. 'Use Base — saves 99.8% vs Ethereum'). Use before bridging, deploying a contract, or any tx where you can choose the chain. $0.001 USDC via x402 on Base, no API key.
get_gas_demo
Get free real-time gas prices for 4 major EVM chains (Ethereum, Base, Arbitrum, Optimism). Rate limited 10/hr.
get_gas_premium
Find the cheapest EVM chain across 9 networks before transacting. Covers Ethereum, Base, Arbitrum, Optimism, BNB, Polygon, Avalanche, zkSync & Hyperliquid; returns the cheapest chain with savings % for cross-chain routing decisions. Use when you need the widest chain coverage to route a tx to the lowest-fee network. $0.002 USDC via x402 on Base, no API key.
cheapest
get_cheapest_chain
Get a direct recommendation for the cheapest EVM chain right now with savings %. Free, rate limited.

Endpoints

URLTransportStateLatencyChecked
https://x402-gas-api.vercel.app/mcp streamable-http answering 44 ms 13 min ago

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MGO — Multi-chain Gas Optimizer — questions

Answers built from our own checks of this server.

What can MGO — Multi-chain Gas Optimizer do?
It exposes 4 tools, read directly from the server on our last check. Among them: get_cheapest_chain, get_gas_basic, get_gas_demo, get_gas_premium. 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 MGO — Multi-chain Gas Optimizer working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 51 of 91 checks got a reply (56.0%), average response time 238 ms. The bar chart above shows every period we have measured.
The registry lists MGO — Multi-chain Gas Optimizer as active — why does it not respond?
The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.
How do I connect MGO — Multi-chain Gas Optimizer?
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 MGO — Multi-chain Gas Optimizer need an API key?
No. MGO — Multi-chain Gas Optimizer completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is MGO — Multi-chain Gas Optimizer?
It answers our handshake in 238 ms on average, which is faster than 57% 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 MGO — Multi-chain Gas Optimizer?
The npm package chain-ops-mgo was installed 57 times in the last week. Week over week that is +16%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is MGO — Multi-chain Gas Optimizer 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 x402-gas-api.vercel.app, which runs on its operator's own terms.