Skill Cortex Server vs Skill Ninja MCP Server

In-depth architectural comparison of the Skill Cortex Server and Skill Ninja 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.

Which MCP Server Should You Choose?

Choose Skill Cortex Server when:

• You need dedicated capabilities in the Coding Agents domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: path, query, tags.

Explore Skill Cortex Server Details

Choose Skill Ninja MCP Server when:

• You need dedicated capabilities in the Coding Agents domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Free / Open Source).
• You have access to required keys: GITHUB_TOKEN, SKILL_NINJA_INDEX_DIR, SKILL_NINJA_TRUSTED_WORKSPACES, LANG.
• Primary tools included: skillNinja_search, skillNinja_install, skillNinja_uninstall.

Feature & Specification Comparison

Specification	Skill Cortex Server sim-xia Coding Agents	Skill Ninja MCP Server aktsmm Coding Agents
Summary	An MCP server that enable all IDEs/CLIs to access Claude Code Skills capabilities.	Agent Skill Ninja for MCP: Search, install, and manage AI agent skills (SKILL.md files) from GitHub repositories. Features workspace analysis for personalized recommendations and supports 140+ pre-indexed skills.
Category & Scope

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": {
    "sim-xia-skill-cortex-server": {
      "command": "uvx",
      "args": [
        "skill-cortex-lite"
      ]
    }
  }
}

{
  "mcpServers": {
    "aktsmm-skill-ninja-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "skill-ninja-mcp-server"
      ],
      "env": {
        "GITHUB_TOKEN": "YOUR_GITHUB_TOKEN_HERE",
        "SKILL_NINJA_INDEX_DIR": "YOUR_SKILL_NINJA_INDEX_DIR_HERE",
        "SKILL_NINJA_TRUSTED_WORKSPACES": "YOUR_SKILL_NINJA_TRUSTED_WORKSPACES_HERE",
        "LANG": "YOUR_LANG_HERE"
      }
    }
  }
}

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