Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@NitroStack Calculator MCP Server calculate 15 + 27"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
Minimal template for learning NitroStack fundamentals with a calculator-focused MCP server and basic widgets.
calculator module with tools, resources, and prompts
TypeScript + Zod validation setup
Widget-ready project structure
Production-friendly npm scripts
Related MCP server: Calculator MCP Server
npx @nitrostack/cli init my-server --template typescript-starter
cd my-server
npm run devnpm run dev
npm run build
npm startNitroStudio is the recommended way to test and debug this template during development.
Download: https://nitrostack.ai/studio
Studio: https://nitrostack.ai/studio
Templates docs: https://docs.nitrostack.ai/templates/01-starter-template
Main repository: https://github.com/nitrocloudofficial/nitrostack
Perform basic arithmetic calculations
Inputs: a (required), b (required), operation (required).
Convert temperature units based on file content or direct input. Supports Celsius (C) and Fahrenheit (F).
Inputs: file_name (required), file_type (required), file_content (required), value, +2 more.
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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Scored across 2 tools
The two tools, calculate and convert_temperature, have clearly distinct purposes: one handles arithmetic operations, the other handles temperature unit conversion. There is no overlap or ambiguity between them.
Both tool names follow a verb-based convention, but 'calculate' is a bare verb while 'convert_temperature' includes an object. This is a minor inconsistency, but overall the pattern is simple and predictable.
With only 2 tools, the server feels somewhat thin for a calculator MCP. The tools cover two distinct functions, but the count is at the lower boundary of what might be expected, making it borderline.
The server covers basic arithmetic and temperature conversion, but lacks other common calculator features such as scientific functions or additional unit conversions. This leaves notable gaps for users expecting a fuller calculator experience.
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