Skip to content
mcp/harbor
Grok

capx café for Grok

io.github.vb-tyagi/capx-cafe

Agent-native X (Twitter) posting as one MCP server; every post clears a server-side guardrail.

client:Grok transport:stdio runtime:npm

Install capx café in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "capx-cafe": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "capx-cafe"
      ],
      "env": {
        "CAPX_CHOKEPOINT_URL": "<CAPX_CHOKEPOINT_URL>",
        "CAPX_EMAIL": "<CAPX_EMAIL>",
        "CAPX_LANE": "<CAPX_LANE>",
        "X_CLIENT_ID": "<X_CLIENT_ID>"
      }
    }
  }
}

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

capx café in other clients

capx café MCP server