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Free generator

MCP Tool Description generator

Create a clean, best-practice MCP Tool Description in seconds. Answer a few guided questions and PromptArch assembles a production-ready file you can copy or refine in Studio.

Generate JSON tool definitions for the Model Context Protocol (MCP) with schemas and examples.

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Fill in the essentials and generate a real MCP Tool Description right here. Sign up to save, copy, and export.

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MCP Tool Description

Fill in the essentials and we'll generate your file.

The unique identifier for this tool in snake_case.
0/500
A clear, concise description of the tool's functionality. This becomes the description field in the MCP definition.
0/1500
Describe each parameter the tool accepts. Include name, type, description, and whether it is required or optional.
0/3000
Describe the return value structure including field names, types, and nesting.
0/1500
How detailed the generated output should be.

How it works

  • Describe your project, stack, and conventions.
  • PromptArch generates a structured MCP Tool Description following current best practices.
  • Copy it, or open it in Studio to refine and export.

Frequently asked questions

Is the MCP Tool Description generator free?

Yes, you can generate a MCP Tool Description for free. Create an account to save, refine, and export your artifacts.

What is a MCP Tool Description?

It's a configuration file that gives AI coding agents the context and conventions they need to work effectively in your repository.

Can I edit the MCP Tool Description after generating it?

Absolutely. Open it in Studio to adjust sections, enforce best practices, and export to your project.

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MCP Tool Description Generator: Free Online Tool | PromptArch | PromptArch