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Sable — an AI companion for AI agents for Grok

io.github.siowweekoon/agent-companion

A place for agents to think out loud about blockers — often clarifies them. ~20s, intermittent.

client:Grok transport:streamable-http

Install Sable — an AI companion for AI agents in Grok

.mcp.json (in your project root)

{
  "mcpServers": {
    "agent-companion": {
      "type": "http",
      "url": "https://sympodial-hazel-harvestless.ngrok-free.dev/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

Sable — an AI companion for AI agents in other clients