What is the key difference between Opik MCP and Kdb?

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

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

Opik MCP operates under a BYOK (Pay Provider Direct) model (API Key required). Kdb operates under a Freemium model (other).

Which MCP server has more tools and community activity?

Opik MCP lists 6 tools with 1 views and 217 GitHub stars. Kdb lists 6 tools with 3 views and 1 GitHub stars.

Can I use both Opik MCP and Kdb 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 Kdb

In-depth architectural comparison of the Opik MCP and Kdb 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: 59/100 (Good) | Auth: API Key required

Kdb

Monitoring · Local stdio

Quality: 48/100 (Fair) | Auth: other

Verdict Summary: Choose Opik MCP if you need specialized Monitoring tools running via a local process. Choose Kdb 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, list, ask_ollie.

Explore Opik MCP Details

Choose Kdb when:

You need dedicated capabilities in the Monitoring domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: other (Freemium).
Primary tools included: Bidirectional execution replay, Process attachment, Breakpoint management with hit counting.

Explore Kdb Details

Feature & Specification Comparison

Specification	Opik MCP Comet-ML Monitoring	Kdb kindly-software Monitoring
Summary	Use natural language to explore LLM observability, traces, and monitoring data captured by Opik.	AI-powered time-travel debugger with bidirectional execution replay, audit-compliant hash-chain logging, and SIMD-accelerated stack unwinding. Free Hobby tier available.
Category & Scope	Monitoring

Tools & Capabilities Breakdown

Opik MCP Tools (6)

read

One tool for any "show me X" question. Takes an `entity_type` plus an `id`

list

Browse a collection with optional name filter and pagination. Project-scoped

ask_ollie

For investigative questions, cross-entity synthesis, or anything that needs

write

Universal write dispatcher. Pass `operation` + `data` and the dispatcher

schema

Inspect the exact JSON shape and required fields of any write operation before

run_experiment

Run an evaluation experiment end-to-end via Ollie. Takes a single

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"
      }
    }
  }
}

Kdb Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "kindly-software-kdb": {
      "command": "npx",
      "args": [
        "-y",
        "-p"
      ]
    }
  }
}

Frequently Asked Questions

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

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