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VS Code

foundry zksync for VS Code

io.github.jrigada/foundry-zksync

Expose foundry-zksync (forge, cast, anvil-zksync) tools for zkSync Era development

client:VS Code transport:stdio runtime:npm

Install foundry zksync in VS Code

.vscode/mcp.json 

{
  "servers": {
    "foundry-zksync": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "foundry-zksync-mcp"
      ]
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs

foundry zksync in other clients

foundry zksync MCP server