capx café MCP Server

io.github.vb-tyagi/capx-cafe

Repository Registry

What is the capx café MCP server?

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

How to install capx café

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

CAPX_CHOKEPOINT_URL
required
URL of the hosted capx chokepoint that enforces the server-side guardrail on every post
CAPX_EMAIL
required
Whitelisted user email used to authenticate to the chokepoint
CAPX_LANE
Connection lane: 'byo' (bring your own X app) or 'capx-app' (capx-managed app)
X_CLIENT_ID
X (Twitter) OAuth client ID; required only on the BYO lane

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "capx-cafe": {
      "command": "npx",
      "args": [
        "-y",
        "capx-cafe"
      ],
      "env": {
        "CAPX_CHOKEPOINT_URL": "<YOUR_CAPX_CHOKEPOINT_URL>",
        "CAPX_EMAIL": "<YOUR_CAPX_EMAIL>",
        "CAPX_LANE": "<YOUR_CAPX_LANE>",
        "X_CLIENT_ID": "<YOUR_X_CLIENT_ID>"
      }
    }
  }
}