What is the key difference between Calculators and Strata?

Calculators belongs to the Developer Tools category with local stdio execution, while Strata belongs to the Developer Tools category with local stdio execution.

How do I install Calculators or Strata 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 Calculators and Strata free or paid?

Calculators operates under a Free / Open Source model (No auth required). Strata operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Calculators lists 0 tools with 0 views and 0 GitHub stars. Strata lists 0 tools with 0 views and 5,787 GitHub stars.

Can I use both Calculators and Strata 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.

How do I install Calculators or Strata in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Calculators and Strata free to use, or do they require API keys?

Calculators is listed under a Free / Open Source model with No auth required . Strata operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Calculators and Strata at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both calculators-2 and strata as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Calculators has a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars. Strata holds a Quality Score of 44 /100 ( Fair ) with 0 views, 0 installs, and 5,787 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Calculators vs Strata

In-depth architectural comparison of the Calculators and Strata 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

Calculators

Developer Tools · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

Strata

Developer Tools · Local stdio

Quality: 44/100 (Fair) | Auth: No auth required

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

Choose Strata 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 Strata Details

Feature & Specification Comparison

Specification	C Calculators Developer Tools	S Strata Developer Tools
Summary	Retirement & FIRE calculators: Monte Carlo wealth plans, Coast FIRE, Swiss pension & property tax.	MCP server for progressive tool usage at any scale (see https://klavis.ai)
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Calculators Tools (0)

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

Strata 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).

Calculators Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "calculators-2": {
      "command": "npx",
      "args": [
        "-y",
        "calculators-2"
      ]
    }
  }
}

Strata Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "strata": {
      "command": "npx",
      "args": [
        "-y",
        "@playwright/mcp@latest"
      ]
    }
  }
}

Frequently Asked Questions

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

More alternatives to Calculators More alternatives to Strata Developer Tools category hub