Calculator

A Model Context Protocol (MCP) server built with mcp-framework.

# Install dependencies npm install # Build the project npm run build

calculator/ ├── src/ │ ├── tools/ # MCP Tools │ │ └── ExampleTool.ts │ └── index.ts # Server entry point ├── package.json └── tsconfig.json

The project comes with an example tool insrc/tools/ExampleTool.ts. You can add more tools using the CLI:

# Add a new tool mcp add tool my-tool # Example tools you might create: mcp add tool data-processor mcp add tool api-client mcp add tool file-handler

import { MCPTool } from "mcp-framework"; import { z } from "zod"; interface MyToolInput { message: string; } class MyTool extends MCPTool<MyToolInput> { name = "my_tool"; description = "Describes what your tool does"; schema = { message: { type: z.string(), description: "Description of this input parameter", }, }; async execute(input: MyToolInput) { // Your tool logic here return Processed: ${input.message}; } } export default MyTool;

- Ensurenameis unique and follows npm naming conventions
- Set appropriateversion
- Adddescription,author,license, etc.
- Checkbinpoints to the correct entry file

npm run build npm link calculator # Test your CLI locally

Login to npm (create account if necessary):

After publishing, users can add it to their claude desktop client (read below) or run it with npx

## Using with Claude Desktop ### Installing via Smithery To install Calculator for Claude Desktop automatically via Smithery: 

Add this configuration to your Claude Desktop config file:
MacOS:~/Library/Application Support/Claude/claude_desktop_config.jsonWindows:%APPDATA%/Claude/claude_desktop_config.json

Add this configuration to your Claude Desktop config file:

MacOS:~/Library/Application Support/Claude/claude_desktop_config.jsonWindows:%APPDATA%/Claude/claude_desktop_config.json

- Make changes to your tools
- Runnpm run build`to compile
- The server will automatically load your tools on startup

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