Buoy vs Kdb

In-depth architectural comparison of the Buoy 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.

Which MCP Server Should You Choose?

Choose Buoy when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Reads and changes a connected running app through MCP, Supports React Native, Expo, and Flutter workflows, Inspects network, storage, query caches, and routes.

Explore Buoy Details

Choose Kdb when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: OAuth 2.0 (Freemium).
• Primary tools included: Bidirectional execution stepping, Process attachment and breakpoint management, Stack trace and variable inspection.

Explore Kdb Details

Feature & Specification Comparison

Specification	Buoy Buoy-gg Developer Tools	Kdb kindly-software Developer Tools
Summary
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "buoy-gg-buoy": {
      "command": "npx",
      "args": [
        "-y",
        "--package=@buoy-gg/core",
        "buoy"
      ]
    }
  }
}

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

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