Foundry MCP Server

Name: Foundry MCP Server
Author: PraneshASP

@PraneshASP

リポジトリ

Foundry MCP Server について

An experimental MCP Server for foundry built for Solidity devs

#ai #blockchain #solidity #mcp-server

基本情報

カテゴリ

その他

ライセンス

MIT

ランタイム

node

トランスポート

stdio

公開者

PraneshASP

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"
      ]
    }
  }
}

ツール

ツールは検出されませんでした

ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

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

FAQ from Foundry MCP Server

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.

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.

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.

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.

What transport protocol does Foundry MCP Server use?

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

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