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

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

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

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

Which MCP server has more tools and community activity?

MCP Server lists 19 tools with 1 views and 9 GitHub stars. Opik MCP lists 1 tools with 1 views and 221 GitHub stars.

Can I use both MCP Server and Opik MCP 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

MCP Server vs Opik MCP

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

MCP Server

Monitoring · Local stdio

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

Opik MCP

Monitoring · Local stdio

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

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

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.

Feature & Specification Comparison

Specification	MCP Server iris-eval Monitoring	Opik MCP Comet-ML Monitoring
Summary	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.	Use natural language to explore LLM observability, traces, and monitoring data captured by Opik.
Category & Scope	Monitoring

Tools & Capabilities Breakdown

MCP Server Tools (19)

log_trace

evaluate_output

get_traces

list_rules

deploy_rule

delete_rule

delete_trace

evaluate_with_llm_judge

IRIS_ANTHROPIC_API_KEY

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).

MCP Server Configuration

mcpServers (Claude Desktop / Cursor)

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

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"
      }
    }
  }
}

Frequently Asked Questions

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

More alternatives to MCP Server More alternatives to Opik MCP Monitoring category hub Canonical compare URL