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mcp/harbor
Grok

sigma gate for Grok

io.github.spektre-labs/sigma-gate

Deterministic trust gate for AI output: leaked-secret, prompt-injection & PII in one call.

client:Grok transport:streamable-http

Install sigma gate in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "sigma-gate": {
      "type": "http",
      "url": "https://sigma-gate-864996675261.us-central1.run.app/mcp"
    }
  }
}

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

sigma gate in other clients

sigma gate MCP server