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Grok

Proton Safe MCP for Grok

io.github.fbossiere/proton-safe-mcp

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client:Grok transport:stdio runtime:pypi

Install Proton Safe MCP in Grok

.mcp.json (in your project root)

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{
  "mcpServers": {
    "proton-safe-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "proton-safe-mcp"
      ],
      "env": {
        "PROTON_BRIDGE_USER": "<PROTON_BRIDGE_USER>",
        "PROTON_IMAP_PORT": "<PROTON_IMAP_PORT>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

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