What is the key difference between Opik MCP and Lu?

Opik MCP belongs to the Monitoring category with local stdio execution, while Lu belongs to the Monitoring category with local stdio execution.

How do I install Opik MCP or Lu in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Opik MCP and Lu free or paid?

Opik MCP operates under a BYOK (Pay Provider Direct) model (API Key required). Lu operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Opik MCP lists 1 tools with 1 views and 221 GitHub stars. Lu lists 6 tools with 0 views and 0 GitHub stars.

Can I use both Opik MCP and Lu together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Opik MCP vs Lu

In-depth architectural comparison of the Opik MCP and Lu MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Opik MCP

Monitoring · Local stdio

Quality: 61/100 (Good) | Auth: API Key required

Monitoring · Local stdio

Quality: 45/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Opik MCP if you need specialized Monitoring tools running via a local process. Choose Lu if your workspace requires Monitoring integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Opik MCP when:

You need dedicated capabilities in the Monitoring domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
You have access to required keys: OPIK_API_KEY, OPIK_WORKSPACE, COMET_WORKSPACE, COMET_URL_OVERRIDE, OPIK_URL, OPIK_MCP_ANALYTICS_SOURCE.
Primary tools included: read_skill.

Explore Opik MCP Details

Choose Lu when:

You need dedicated capabilities in the Monitoring domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: luma_health, luma_get_event, luma_list_events.

Explore Lu Details

Feature & Specification Comparison

Specification	Opik MCP Comet-ML Monitoring	Lu Monitoring
Summary	Use natural language to explore LLM observability, traces, and monitoring data captured by Opik.	lu.ma events MCP server with draft+confirm safety, audit logging, and prompt-injection scrubbing.…
Category & Scope	Monitoring	Monitoring

Tools & Capabilities Breakdown

Opik MCP Tools (1)

read_skill

Read one of the Opik agent skills bundled with this server

Lu Tools (6)

luma_health

auth check + draft store size

luma_get_event

fetch one event by ID

luma_list_events

paginated calendar listing

luma_list_event_guests

RSVPs filtered by status

luma_list_coupons

calendar or event-scoped

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Opik MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "comet-ml-opik-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "opik-mcp"
      ],
      "env": {
        "OPIK_API_KEY": "YOUR_OPIK_API_KEY_HERE",
        "OPIK_WORKSPACE": "YOUR_OPIK_WORKSPACE_HERE",
        "COMET_WORKSPACE": "YOUR_COMET_WORKSPACE_HERE",
        "COMET_URL_OVERRIDE": "YOUR_COMET_URL_OVERRIDE_HERE",
        "OPIK_URL": "YOUR_OPIK_URL_HERE",
        "OPIK_MCP_ANALYTICS_SOURCE": "YOUR_OPIK_MCP_ANALYTICS_SOURCE_HERE"
      }
    }
  }
}

Lu Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "lu": {
      "command": "npx",
      "args": [
        "-y",
        "lu"
      ]
    }
  }
}

Frequently Asked Questions

Opik MCP is categorized under Monitoring and uses a local stdio subprocess. In contrast, Lu belongs to Monitoring using local stdio subprocess. Select Opik MCP when you need capabilities focused on monitoring and Lu when you require tools for monitoring.

More alternatives to Opik MCP More alternatives to Lu Monitoring category hub