What is the key difference between Data Issy and Skill of Skills?

Data Issy belongs to the Developer Tools category with local stdio execution, while Skill of Skills belongs to the Developer Tools category with local stdio execution.

How do I install Data Issy or Skill of Skills 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 Data Issy and Skill of Skills free or paid?

Data Issy operates under a Free / Open Source model (No auth required). Skill of Skills operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Data Issy lists 0 tools with 0 views and 0 GitHub stars. Skill of Skills lists 0 tools with 2 views and 38 GitHub stars.

Can I use both Data Issy and Skill of Skills 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

Data Issy vs Skill of Skills

In-depth architectural comparison of the Data Issy and Skill of Skills 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

Data Issy

Developer Tools · Local stdio

Quality: 28/100 (Emerging) | Auth: No auth required

Skill of Skills

Developer Tools · Local stdio

Quality: 49/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Data Issy if you need specialized Developer Tools tools running via a local process. Choose Skill of Skills if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Data Issy 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).

Explore Data Issy Details

Choose Skill of Skills 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).

Explore Skill of Skills Details

Feature & Specification Comparison

Specification	Data Issy Developer Tools	Skill of Skills Developer Tools
Summary	Issy-les-Moulineaux Open Data (data.issy.com) — OpenDataSoft MCP.	Quality-ranked, cross-platform directory of AI coding skills, plugins and MCP servers.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Data Issy Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Skill of Skills Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

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).

Data Issy Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "data-issy": {
      "command": "npx",
      "args": [
        "-y",
        "data-issy"
      ]
    }
  }
}

Skill of Skills Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "skill-of-skills": {
      "command": "npx",
      "args": [
        "-y",
        "skills"
      ]
    }
  }
}

Frequently Asked Questions

Data Issy is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Skill of Skills belongs to Developer Tools using local stdio subprocess. Select Data Issy when you need capabilities focused on developer tools and Skill of Skills when you require tools for developer tools.

More alternatives to Data Issy More alternatives to Skill of Skills Developer Tools category hub