TinyFn vs Calc MCP

In-depth architectural comparison of the TinyFn and Calc MCP 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?

T

Choose TinyFn when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore TinyFn Details

Choose Calc MCP 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 MCP Details

Feature & Specification Comparison

Specification	T TinyFn Developer Tools	Calc MCP Developer Tools
Summary	500+ deterministic tools for AI agents: math, conversion, validation, hashing, encoding, date/time.	21 MCP tools for math, randomness, dates, encoding, hashing, and more — deterministic and accurate.
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": {
    "tinyfn": {
      "url": "https://tinyfn.io"
    }
  }
}

{
  "mcpServers": {
    "calc-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@coo-quack/calc-mcp@2.1.0"
      ]
    }
  }
}

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