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General Tools

calculators.im

Provides a catalog of free calculators with search, metadata, and computation capabilities.

1 endpoint3 known toolsFirst detected August 22, 2026Last detected August 22, 2026

ENDPOINT 1

https://calculators.im/mcp

No auth detected

MCP server metadata

Name
calculators.im
Version
1.0.0
Capabilities
tools
Server instructions

Use search_calculators to discover available tools, get_calculator_info to fetch a calculator's input schema, and compute to run a calculation. The site exposes 295+ free calculators across finance, health, math, engineering, conversion, and tax verticals.

Known tools 3

search_calculators

Search the catalog of 295+ free calculators by name, keyword, or topic.

Inferred read-only
get_calculator_info

Fetch full metadata for a calculator: title, description, input schema (which fields it accepts and their types), expected outputs, formula, and example.

Inferred read-only
compute

Run a calculator.

Inferred read-only

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.calculators-im]
url = "https://calculators.im/mcp"
enabled = true
Claude Code

.mcp.json

{
  "mcpServers": {
    "calculators-im": {
      "type": "http",
      "url": "https://calculators.im/mcp"
    }
  }
}
Claude Desktop

Settings → Connectors → Add custom connector

Name: calculators-im
Remote MCP URL: https://calculators.im/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "calculators-im": {
      "url": "https://calculators.im/mcp"
    }
  }
}
Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code
{
  "servers": {
    "calculators-im": {
      "type": "http",
      "url": "https://calculators.im/mcp"
    }
  }
}
Generic MCP

Client-specific MCP configuration

{
  "name": "calculators-im",
  "transport": "streamable-http",
  "url": "https://calculators.im/mcp"
}
MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Loading Trust v2 evidence…

Checking the associated registrable domain. The BuiltWith key remains server-side.

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.