# Gas Estimator API MCP server

Multi-chain gas estimation — ETH, Base, Polygon, Arbitrum, BSC. x402 micropayment.

## Links
- Registry page: https://www.getdrio.com/mcp/io-github-br0ski777-gas-estimator
- Repository: https://github.com/Br0ski777/gas-estimator-x402
- Website: https://github.com/Br0ski777/gas-estimator-x402

## Install
- Endpoint: https://gas-estimator.api.klymax402.com/mcp
- Auth: Not captured

## Setup notes
- Remote endpoint: https://gas-estimator.api.klymax402.com/mcp

## Tools
- crypto_estimate_gas - Use this when you need to compare gas prices across multiple EVM chains at once. Returns multi-chain gas estimates in JSON.

1. chains: array of chain gas data with chain name
2. low: gas price in gwei for slow confirmation
3. medium: gas price in gwei for standard confirmation
4. high: gas price in gwei for fast confirmation
5. transferCostUsd: estimated USD cost for a simple transfer on each chain
6. cheapestChain: which chain currently has the lowest gas cost

Example output: {"chains":[{"chain":"base","low":0.005,"medium":0.008,"high":0.012,"transferCostUsd":0.01},{"chain":"ethereum","low":12.5,"medium":18.0,"high":25.0,"transferCostUsd":0.85}],"cheapestChain":"base"}

Use this FOR choosing the cheapest chain before a cross-chain transaction. Essential for multi-chain agents that need to optimize gas costs.

Do NOT use for single-chain gas only -- use gas_get_current_price instead. Do NOT use for swap quotes -- use dex_get_swap_quote instead. Do NOT use for bridging -- use bridge_find_best_route instead. Endpoint: https://gas-estimator.api.klymax402.com/mcp

## Resources
Not captured

## Prompts
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## Metadata
- Owner: io.github.Br0ski777
- Version: 1.1.0
- Runtime: Sse
- Transports: HTTP
- License: Not captured
- Language: Not captured
- Stars: Not captured
- Updated: May 16, 2026
- Source: https://registry.modelcontextprotocol.io