What is the key difference between Opik MCP and StillOnline?

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

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

Opik MCP operates under a BYOK (Pay Provider Direct) model (API Key required). StillOnline 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 2 views and 219 GitHub stars. StillOnline lists 10 tools with 0 views and 1 GitHub stars.

Can I use both Opik MCP and StillOnline 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 StillOnline

In-depth architectural comparison of the Opik MCP and StillOnline 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

StillOnline

Monitoring · Local stdio

Quality: 52/100 (Good) | Auth: No auth required

Verdict Summary: Choose Opik MCP if you need specialized Monitoring tools running via a local process. Choose StillOnline 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 StillOnline 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).
You have access to required keys: STILLONLINE_API_KEY.
Primary tools included: projects.list, projects.create, projects.delete.

Feature & Specification Comparison

Specification	Opik MCP Comet-ML Monitoring	StillOnline Monitoring
Summary
Category & Scope	Monitoring	Monitoring
Quality signal

Tools & Capabilities Breakdown

Opik MCP Tools (1)

read_skill

Read one of the Opik agent skills bundled with this server

StillOnline Tools (10)

projects.list

projects.create

name`, `url`; optional `description

projects.delete

Soft-delete

checks.list

checks.create

url`; optional `name`, `interval_seconds

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"
      }
    }
  }
}

StillOnline Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "stillonline": {
      "command": "npx",
      "args": [
        "-y",
        "stillonline-mcp"
      ],
      "env": {
        "STILLONLINE_API_KEY": "YOUR_STILLONLINE_API_KEY_HERE"
      }
    }
  }
}

Frequently Asked Questions

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

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