What is the key difference between Opik MCP and MCP Server?

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

How do I install Opik MCP or MCP Server 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 MCP Server free or paid?

Opik MCP operates under a BYOK (Pay Provider Direct) model (API Key required). MCP Server 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 217 GitHub stars. MCP Server lists 19 tools with 1 views and 9 GitHub stars.

Can I use both Opik MCP and MCP Server 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 MCP Server

In-depth architectural comparison of the Opik MCP and MCP Server 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

MCP Server

Monitoring · Local stdio

Quality: 60/100 (Good) | Auth: No auth required

Verdict Summary: Choose Opik MCP if you need specialized Monitoring tools running via a local process. Choose MCP Server 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 MCP Server 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: log_trace, evaluate_output, get_traces.

Explore MCP Server Details

Feature & Specification Comparison

Specification	Opik MCP Comet-ML Monitoring	MCP Server iris-eval Monitoring
Summary	Use natural language to explore LLM observability, traces, and monitoring data captured by Opik.	MCP-native agent evaluation and observability server with trace logging, output quality evaluation, cost tracking, 12 built-in eval rules, real-time dashboard, and PII detection.
Category & Scope	Monitoring

Tools & Capabilities Breakdown

Opik MCP Tools (1)

read_skill

Read one of the Opik agent skills bundled with this server

MCP Server Tools (19)

log_trace

evaluate_output

get_traces

list_rules

deploy_rule

delete_rule

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"
      }
    }
  }
}

MCP Server Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "iris-eval-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@iris-eval/mcp-server"
      ]
    }
  }
}

Frequently Asked Questions

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

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