The OpenForm MCP server lets AI assistants validate, fill, render, and browse artifacts over the Model Context Protocol. It's a hosted service — no installation, no authentication, and no API keys required.

Endpoints

Connecting

{
  "mcpServers": {
    "OpenForm": {
      "url": "https://mcp.open-form.dev/mcp"
    }
  }
}

{
  "mcpServers": {
    "OpenForm": {
      "url": "https://mcp.open-form.dev/mcp"
    }
  }
}

Once connected, all tools are available to the AI assistant automatically.

Tools

Core

• validate — Validate an artifact against the OpenForm schema
• fill — Fill a form or checklist with data, apply defaults, and validate

Rendering

• render — Render a form from a verified registry as text, PDF, or DOCX

Registry

• list_artifacts — Browse artifacts ranked by popularity
• get_artifact — Get the full artifact JSON and metadata
• list_registries — List registries with artifact counts and install stats
• get_registry — Get details for a specific registry and its artifacts
• search — Search artifacts and registries by keyword

Rate limits

The production server (mcp.open-form.dev) allows ~120 requests per hour per IP (2 requests per 60-second window). The development server (mcp-dev.open-form.dev) has a higher limit of ~3,600 requests per hour (60 per 60-second window).