Promptibus MCP

OfficialRemoteby Promptibusfreemiumverified Aug 25, 2026

Model intelligence MCP for prompt syntax, pricing, and budget-aware picks.

What it does

Promptibus does not generate media; it gives agents current model profiles, pricing, parameters, prompt linting, and prompt optimization for image, video, audio, text, and code models. For filmmaker-agents spending across Runway, Sora, Veo, FLUX, Suno, Midjourney-style tools, and other fast-moving model families, it is a preflight layer that reduces stale syntax and expensive wrong-model choices.

Connect

Remote endpoint (Streamable HTTP)

https://promptibus.com/api/mcp

Claude Code

claude mcp add promptibus -- npx -y @promptibus/mcp

Claude Desktop (claude_desktop_config.json)

{
  "mcpServers": {
    "promptibus": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://promptibus.com/api/mcp"
      ]
    }
  }
}

Cursor (.cursor/mcp.json)

{
  "mcpServers": {
    "promptibus": {
      "url": "https://promptibus.com/api/mcp"
    }
  }
}

Auth: api_key · env PROMPTIBUS_API_KEY — https://promptibus.com/settings/api-keys

Tools you'll see

recommend_modeloptimize_promptlint_promptcompare_modelsget_parametersget_model_profileget_pricing

Field notes

MIT, npm @promptibus/mcp 0.9.0 — still the only release, published May 11 2026, and neither the package nor the repo has moved since; 3 stars. The hosted endpoint and the npx package both work, and anonymous mode needs no key at 25 calls/day and 500/month across 10 free-tier models. The staleness is the whole caveat, and it now shows on the vendor's own page: the free tier is still headlined by Claude 4 Sonnet, GPT-4o, DALL-E 3 and Midjourney v6.1. Confirm pricing and prompt syntax at the model vendor before you spend against its advice. It is a catalogue and preflight layer, not a generation router — nothing here renders a frame.

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