Skip to main content
Watch: I Built an AI App Without Leaving Databricks

Docs and knowledge - official NVIDIA server

OmniUI MCP server

Self-hosted MCP server that gives AI coding assistants omni.ui knowledge for NVIDIA Omniverse: UI classes, modules and methods, widget docs, styling docs and code and window-layout examples. It runs locally with API key auth.

Last verified 10 tools3 sources

Install

Terminal
# Project scope
claude mcp add omni-ui-mcp -t http http://localhost:9901/mcp
# User (global) scope
claude mcp add omni-ui-mcp --scope user -t http http://localhost:9901/mcp
JSON
{
  "mcpServers": {
    "omni-ui-mcp": {
      "url": "http://localhost:9901/mcp"
    }
  }
}

VS Code

JSON
{
  "servers": {
    "omni-ui-mcp": {
      "type": "http",
      "url": "http://localhost:9901/mcp"
    }
  }
}

Tools

get_ui_instructions
Top-level guidance on building UI with omni.ui.
get_ui_class_instructions
Class-by-class authoring tips.
get_ui_style_docs
Styling system documentation.
list_ui_modules
Lists all omni.ui* module names.
list_ui_classes
Lists UI classes, optionally filtered by module.
get_ui_module_detail
Detailed info on a specific module.
get_ui_class_detail
Comprehensive class info including methods.
get_ui_method_detail
Method signatures and documentation.
search_ui_code_examples
Semantic search across UI code patterns.
search_ui_window_examples
Semantic search across window-layout examples.

As documented on October 17, 2026. A running server reports its current list through tools/list.

Notes and caveats

  • Runs locally and serves Streamable HTTP at http://localhost:9901/mcp.
  • Requires NVIDIA_API_KEY for hosted embeddings, reranking and LLM calls.
  • Older configs pinning the retired reranker nvidia/llama-3.2-nv-rerankqa-1b-v2 fail with 410 after 2026-05-18.

FAQ

What does the OmniUI MCP server do?

Self-hosted MCP server that gives AI coding assistants omni.ui knowledge for NVIDIA Omniverse: UI classes, modules and methods, widget docs, styling docs and code and window-layout examples. The vendor documents 10 tools, including get_ui_instructions, get_ui_class_instructions, get_ui_style_docs and list_ui_modules.

How do I add the OmniUI MCP server to Claude Code?

NVIDIA documents a Claude Code config; copy it from the Claude Code section of this page. Snippets for Cursor and VS Code are there too.

Does the OmniUI MCP server need authentication?

Yes, API key. Transport: Streamable HTTP. Status: Unlabelled, last checked October 17, 2026.

Sources

Last verified against 3 NVIDIA pages, then re-checked independently.

Newsletter

New MCP servers, the week they ship

One email per week. New official MCP servers, the coding tools that support them and how developers wire them up.