MonsiTools MCP MCP server

An official MCP server provided by Monsi Tools that allows AI assistants to search, describe, and execute 769 business, finance, and SaaS calculators. It ensures accurate arithmetic by running formulas directly rather than relying on LLM reasoning, supporting tools like search_calculators, describe_calculator, and calculate.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by Monsi Tools

MCP endpoint (Streamable HTTP)

https://monsitools.com/mcp

Vendor documentation

What you can do with it

Search for specific financial calculators by keyword
Retrieve formula details and input requirements for a calculator
Execute calculations for metrics like VAT or runway

Tools advertised by the last live check:

search_calculators
describe_calculator
calculate

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http monsitools-mcp https://monsitools.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add monsitools-mcp --url https://monsitools.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable monsitools-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "monsitools-mcp": {
      "url": "https://monsitools.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "monsitools-mcp": {
      "type": "streamableHttp",
      "url": "https://monsitools.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start monsitools-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "monsitools-mcp": {
      "type": "http",
      "url": "https://monsitools.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http monsitools-mcp https://monsitools.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "monsitools-mcp": {
      "url": "https://monsitools.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "monsitools-mcp": {
      "serverUrl": "https://monsitools.com/mcp"
    }
  }
}

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