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Foundry MCP Server

@PraneshASP

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

PraneshASP

Foundry MCP Server について

An experimental MCP Server for foundry built for Solidity devs

#ai#blockchain#solidity#mcp-server

Foundry 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": {
    "foundry-mcp-server": {
      "command": "npx",
      "args": [
        "@pranesh.asp/foundry-mcp-server"
      ]
    }
  }
}

Foundry MCP Server のツール

ツール一覧はまだありません

この掲載には表示できるツール一覧がまだありません。サーバーにツールがないという意味ではありません。対応機能はプロジェクトのドキュメントをご確認ください。

上のボタンで一時的なサンドボックスでこのサーバーを実行し、ツール一覧を取得できます。

概要

What is Foundry MCP Server?

Foundry MCP Server is a lightweight MCP server that connects LLM assistants to the Foundry toolchain (Forge, Cast, Anvil), enabling Solidity development and onchain operations. It is designed for developers who want to interact with Ethereum nodes, analyze smart contracts, and manage Solidity code through natural language interfaces.

How to use Foundry MCP Server?

Install globally via npm install -g @pranesh.asp/foundry-mcp-server or run directly with npx @pranesh.asp/foundry-mcp-server. Configure your MCP client (e.g., Claude Desktop, Cursor) by adding a "foundry" entry under mcpServers in your client’s configuration file, providing the command npx with arguments and optional environment variables RPC_URL and PRIVATE_KEY. The server uses STDIO transport and requires Node.js v18+, the Foundry toolchain, and optional Heimdall-rs for advanced analysis.

Key features of Foundry MCP Server

  • Start and manage local Anvil instances
  • Connect to remote RPC endpoints and query chain info
  • Call contract functions (read-only) and send transactions
  • Maintain a persistent Forge workspace at ~/.mcp-foundry-workspace
  • Create, edit, and deploy Solidity files and scripts
  • Disassemble, decode, and decompile EVM bytecode via Heimdall

Use cases of Foundry MCP Server

  • Analyze on-chain transactions and explain their behavior
  • Query token balances (e.g., ETH and USDT) for any wallet
  • Deploy mock ERC20 contracts to a local Anvil instance
  • Run Forge scripts and manage Solidity dependencies

よくある質問

1

What runtime and tools does Foundry MCP Server require?

Node.js v18+, the Foundry toolchain (Forge, Cast, Anvil), and optionally Heimdall-rs for contract analysis.

2

Is a private key required to use the server?

No, the `PRIVATE_KEY` environment variable is optional. If set, it enables sending transactions. The README strongly advises against using keys with mainnet funds due to LLM hallucination risks.

3

Where does the server store Solidity files and projects?

It maintains a persistent Forge workspace at `~/.mcp-foundry-workspace` for all Solidity files, scripts, and dependencies.

4

How do I configure a client like Claude Desktop?

Add a JSON entry under `mcpServers` with command `npx`, arguments `["@pranesh.asp/foundry-mcp-server"]`, and optional environment variables for `RPC_URL` and `PRIVATE_KEY`. Ensure valid JSON syntax.

5

What transport protocol does Foundry MCP Server use?

It uses STDIO transport, as shown in the MCP client configuration examples.

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