Caption-Pack

Reliability

Latest check failed 3 days ago: initialize returned HTTP 503

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "caption-pack": {
      "type": "http",
      "url": "https://caption-pack-mcp.onrender.com/mcp"
    }
  }
}

3 tools

• generate_captions

  Use when the user wants ready-to-post social captions — hooks, post bodies, CTAs, and hashtags as JSON for LinkedIn, Instagram, TikTok, or X. Deterministic template engine (no LLM): best for on-brand, repeatable captions, not open-ended creative writing. tone…

• check_balance

  Use before generating when you're unsure the key still has credits, or when the user asks about their plan, tier, or expiry. Shows remaining API credits, key tier, and expiry.

• mint_free_trial

  Use when no API key is configured and the user wants to try Caption-Pack free. Only call after the user agrees to the free tier — never mint silently. Mints a 25-call trial API key (no card, no account). Abuse guards: one key per IP per day, 7-day expiry, free…

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