MCP Server Calculator vs MCP Time

A side-by-side look at the MCP Server Calculator and MCP Time MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

MCP Server Calculator logoMCP Server CalculatorOther Tools and Integrations · Local subprocess (stdio)This server enables LLMs to use calculator for precise numerical calculations61GoodAuth: no auth requiredMCP Time logoMCP TimeOther Tools and Integrations · Local subprocess (stdio)MCP server which provides utilities to work with time and dates, with natural language, multiple formats and timezone convertion capabilities.63GoodAuth: no auth required

Verdict: choose MCP Server Calculator for other tools and integrations work as a local process; choose MCP Time for other tools and integrations as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

MCP Server Calculator logoChoose MCP Server Calculator when

  • You need dedicated capabilities in the Other Tools and Integrations domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You want tools like calculate.
Explore MCP Server Calculator

MCP Time logoChoose MCP Time when

  • You need dedicated capabilities in the Other Tools and Integrations domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You want tools like add_time, compare_time, convert_timezone.
Explore MCP Time

Feature & specification comparison

Rows where the two servers differ are marked.

SpecMCP Server Calculator logoMCP Server CalculatorMCP Time logoMCP Time
CategoryOther Tools and IntegrationsOther Tools and Integrations
Quality signal61/100 · Good63/100 · Good
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNo auth requiredNo auth required
PricingFreeFree
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars16026
Directory activity 4 views 0 installs 0 upvotes 5 views 0 installs 0 upvotes
Tools15

Tools & capabilities

MCP Server Calculator tools 1

  • calculateCalculates/evaluates the given expression.

MCP Time tools 5

  • add_timeAdds or subtracts a duration from a given time.
  • compare_timeCompares two times. Returns -1 if the first time is before the second, 0 if they are equal, and 1 if the first time is after the second.
  • convert_timezoneConverts a time from one timezone to another.
  • current_timeReturns the current time.
  • relative_timeReturns a time based on a relative natural language expression.

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

MCP Server Calculator

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "githejie-mcp-server-calculator": {
      "command": "uvx",
      "args": [
        "mcp-server-calculator"
      ]
    }
  }
}

MCP Time

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "theobrigitte-mcp-time": {
      "command": "npx",
      "args": [
        "-y",
        "@theo.foobar/mcp-time"
      ]
    }
  }
}

Frequently asked questions

MCP Server Calculator is categorized under Other Tools and Integrations and uses a local stdio subprocess. MCP Time belongs to Other Tools and Integrations and uses a local stdio subprocess. Pick MCP Server Calculator for other tools and integrations work and MCP Time for other tools and integrations.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

MCP Server Calculator is listed as free. Auth: no auth required. MCP Time is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add githejie-mcp-server-calculator and theobrigitte-mcp-time as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, MCP Server Calculator has a quality signal of 61/100 (Good) with 4 views, 0 installs and 160 GitHub stars. MCP Time has 63/100 (Good) with 5 views, 0 installs and 26 GitHub stars.