# Multi-Chain Gas Estimator — ETH, Base, Polygon, Arb

Multi-chain gas price API for AI agents. Compare gas prices across Ethereum, Base, Polygon, Arbitrum, and BSC in a single call. Find the cheapest chain for your transaction.

## Quick Start

```bash
# Connect this server (installs CLI if needed)
npx -y @smithery/cli@latest mcp add axel-belfort/gas-estimator

# Browse available tools
npx -y @smithery/cli@latest tool list axel-belfort/gas-estimator

# Get full schema for a tool
npx -y @smithery/cli@latest tool get axel-belfort/gas-estimator crypto_estimate_gas

# Call a tool
npx -y @smithery/cli@latest tool call axel-belfort/gas-estimator crypto_estimate_gas '{}'
```

## Direct MCP Connection

Endpoint: `https://gas-estimator--axel-belfort.run.tools`

## Tools (1)

- `crypto_estimate_gas` — Use this when you need to compare gas prices across multiple EVM chains at once. Returns multi-chain gas estimates in J…

```bash
# Get full input/output schema for a tool
npx -y @smithery/cli@latest tool get axel-belfort/gas-estimator <tool-name>
```
