Server data from the Official MCP Registry
Compare live gas across up to 9 EVM chains and get the cheapest one. x402 pay-per-call on Base.
About
Compare live gas across up to 9 EVM chains and get the cheapest one. x402 pay-per-call on Base.
Remote endpoints: streamable-http: https://api.mgo.chain-ops.xyz/mcp
Security Report
Valid MCP server (1 strong, 1 medium validity signals). 1 known CVE in dependencies Imported from the Official MCP Registry. 1 finding(s) downgraded by scanner intelligence.
4 tools verified · Open access · 2 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Connect
Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"xyz-chain-ops-mgo": {
"url": "https://api.mgo.chain-ops.xyz/mcp"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
MGO — Multi-chain Gas Optimizer
An x402-native API that compares real-time gas prices across up to 9 EVM chains and recommends the cheapest one. Built for trading agents, DeFi bots, and any AI agent that needs to optimize transaction costs.
Quick Start
# 1. Install dependencies
npm install
# 2. Set environment variables
cp .env.example .env
# Set WALLET_ADDRESS to your USDC receiving wallet on Base
# 3. Run locally
npm run dev
# 4. Test
# Open in browser: http://localhost:3000/gas/demo
Tiers
| Feature | Demo (Free) | Basic ($0.001) | Premium ($0.002) |
|---|---|---|---|
| Chains | 4 | 4 | 9 |
| Gas prices | Yes | Yes | Yes |
| Cheapest chain recommendation | No | Yes | Yes |
| Savings % calculation | No | Yes | Yes |
| Cost savings estimate | No | Yes | Yes |
| BNB, Polygon, Avalanche, zkSync, Hyperliquid | No | No | Yes |
| Rate limit | 10/hr, 100/day | Unlimited | Unlimited |
Endpoints
| Endpoint | Payment | Description |
|---|---|---|
GET /gas/demo | Free | Raw gas prices only (10/hr rate limit) |
GET /gas/basic | $0.001 USDC (x402) | 4-chain comparison + recommendation + savings |
GET /gas/premium | $0.002 USDC (x402) | 9-chain full comparison |
GET /llms.txt | Free | AI agent discovery file |
GET /health | Free | Server health check |
Payment Flow (x402 Protocol)
GET /gas/basicor/gas/premium→ 402 response with payment requirements- Client signs EIP-712 USDC authorization (using x402-axios or x402-fetch)
- Resend with
X-PAYMENTheader → facilitator verifies → data response → on-chain settlement
// Client example (x402-axios)
const { withPayment } = require("x402-axios");
const client = withPayment(axios.create(), walletClient);
const response = await client.get("https://api.mgo.chain-ops.xyz/gas/basic");
MCP Server (Claude / Cursor)
npm run mcp
Add to Claude Desktop config:
{
"mcpServers": {
"mgo-gas": {
"command": "node",
"args": ["/path/to/x402-gas-api/mcp-server.js"]
}
}
}
Deploy to Vercel
npm i -g vercel
vercel --prod
Platform Registration
- BlockRun — Register MCP server URL
- Dexter — One-line facilitator config
- x402.org — Automatic llms.txt crawling
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