What is the key difference between Calc and Valet?

Calc belongs to the Developer Tools category with local stdio execution, while Valet belongs to the Developer Tools category with local stdio execution.

How do I install Calc or Valet 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 Calc and Valet free or paid?

Calc operates under a Free / Open Source model (No auth required). Valet operates under a Freemium model (No auth required).

Which MCP server has more tools and community activity?

Calc lists 0 tools with 0 views and 0 GitHub stars. Valet lists 0 tools with 2 views and 0 GitHub stars.

Can I use both Calc and Valet 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

Calc vs Valet

In-depth architectural comparison of the Calc and Valet 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

Calc

Developer Tools · Local stdio

Quality: 37/100 (Fair) | Auth: No auth required

Valet

Developer Tools · Local stdio

Quality: 48/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Calc if you need specialized Developer Tools tools running via a local process. Choose Valet 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 Calc 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 Calc Details

Choose Valet when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Freemium).

Explore Valet Details

Feature & Specification Comparison

Specification	Calc eDiscovery Decoder News Developer Tools	Valet Developer Tools
Summary	Free educational MCP for read-only eDiscovery news and TAR/review calculators.	Get share links, publish and manage websites, artifacts and agents. No account needed.
Category & Scope	Developer Tools	Developer Tools

Tools & Capabilities Breakdown

Calc Tools (0)

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

Valet 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).

Calc Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "ediscovery-decoder-news-calc": {
      "command": "npx",
      "args": [
        "-y",
        "ediscovery-decoder-news-calc"
      ]
    }
  }
}

Valet Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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

More alternatives to Calc More alternatives to Valet Developer Tools category hub