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Blocknative MCP Server

@kukapay

リポジトリ

基本情報

カテゴリ

その他

ライセンス

MIT

トランスポート

stdio

作者

kukapay

Blocknative MCP Server について

An MCP server that provides real-time gas price predictions across multiple blockchains.

Blocknative MCP Server の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "blocknative-mcp": {
      "command": "uv",
      "args": [
        "sync"
      ]
    }
  }
}

Blocknative MCP Server のツール

2

Base Fee Per Gas: 0.382910791 Gwei

Gas Limit: 21000

概要

What is Blocknative MCP Server?

Blocknative MCP Server is an MCP server that provides real-time gas price predictions across multiple blockchains, powered by Blocknative. It is intended for use with MCP-compatible clients like Claude Desktop and the MCP Inspector.

How to use Blocknative MCP Server?

Install via uv sync, optionally set the BLOCKNATIVE_API_KEY environment variable for high-frequency access, then run uv run blocknative-mcp to start the server, uv run mcp dev blocknative-mcp for interactive testing, or uv run mcp install blocknative-mcp --name "Blocknative MCP Server" to integrate with Claude Desktop.

Key features of Blocknative MCP Server

  • Provides three tools: predict_gas_price, estimate_gas_cost, get_supported_chains.
  • Includes a prompt template for gas price queries.
  • Uses asynchronous HTTP requests for non-blocking performance.
  • Supports low-frequency access without an API key.
  • Defaults to Ethereum Mainnet (chain_id=1).

Use cases of Blocknative MCP Server

  • Retrieve real-time gas price predictions for Ethereum or other blockchains.
  • Estimate transaction costs before sending a transaction.
  • List all supported chains and networks for multi-chain applications.
  • Integrate gas price data into a Claude Desktop agent.
  • Build a dApp that shows current base fee and priority fee recommendations.

よくある質問

1

What is the default blockchain used by Blocknative MCP Server?

The default blockchain is Ethereum Mainnet, with chain_id=1. Other chains can be specified via the chain_id parameter.

2

Do I need a Blocknative API key to use Blocknative MCP Server?

No, for low-frequency access you can use the server without an API key. High-frequency access requires a free API key set as the `BLOCKNATIVE_API_KEY` environment variable.

3

What Python version is required to run Blocknative MCP Server?

Python version 3.10 or higher is required, along with the `uv` dependency manager.

4

How do I install Blocknative MCP Server?

Clone the

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