Tool Builder FAQs

Question 1

Where are the new tools saved?

Accepted Answer

New tools are saved as Python scriptlets in the `...\mcp-tool-builder	ools` directory, and their definitions are stored in the `...\mcp-tool-builder	ools	ools.json` file.

Question 2

Are there any example tools included?

Accepted Answer

Yes, the installation includes example tools such as `get_bitcoin_price` (fetches Bitcoin price) and `get_weather_forecast` (gets weather for US ZIP codes).

Question 3

What is Tool Builder?

Accepted Answer

Tool Builder is an MCP server that allows you to create new tools for use with MCP clients (like Claude Desktop) by simply describing them in natural language. It then generates Python scriptlets for these tools.

Question 4

How do I install Tool Builder?

Accepted Answer

Clone the repository, install dependencies using uv (or pip), and then configure your MCP client (e.g., Claude Desktop) to point to the Tool Builder server.

Question 5

How does Tool Builder integrate with Claude Desktop?

Accepted Answer

You can configure Tool Builder within Claude Desktop's `claude_desktop_config.json` file, allowing you to dynamically create and use new tools using the 'create_tool' command.

Tool Builder

Tool Builder

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