H
hanweg/mcp-tool-builder
MCP server that creates its own tools as needed
View on GitHub ↗Link checked 2026-11-12 · HTTP 200 · opens the vendor's own site
We have neither an install command nor a public remote endpoint from this repository, so we do not print a config. A made-up one is worse than none. How each client wires MCP up →
- Source
- collected from the abordage/awesome-mcp list · type: MCP server
- Harvest history
- first seen 2026-11-05 · last seen 2026-11-14 · seen 10× · listed by 10 sources
- Score
- score 1,003 · 10 sources · mcp
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Who is it for?
We filed it under these tags: MCP 服务. The tags come from the entry itself, not a taxonomy we imposed.
Who maintains it?
first catalogued 2026-11-05；last seen 2026-11-14。There is no official certification or quality rating here — we record sources and dates only.
# WORK IN PROGRESS - USE WITH CAUTION - Windows
以下摘录自该仓库的 README（片段） · 在 GitHub 读完整 README →
# MCP Tool Builder
An MCP server that empowers LLMs to dynamically create new tools through MCP clients such as Claude Desktop.
## Features
Create new tools by describing them in natural language
Requires client restart to use new tools (Claude Desktop)
New tools are saved as python scriptlets in ...\\mcp-tool-builder\\tools
New tool definitions are saved in ...\\mcp-tool-builder\\tools\tools.json
## Example tools included at installation
getbitcoinprice: Fetches current Bitcoin price from CoinGecko
getweatherforecast: Gets weather for US ZIP codes (uses geopy)
## Creating New Tools
Use the createtool command in Claude Desktop (or suggest strongly!!) to create new tools dynamically
## Installation
1. Clone this repository
2. Install dependencies:
bash
cd mcp-tool-builder
uv venv
.venv\Scripts\activate
uv pip install -e .
## Usage with Claude Desktop
Add to claudedesktopconfig.json:
json
"mcpServers": {
"tool-builder": {
"command": "uv",
"args": [
"--directory",
"PATHTO\\mcp-tool-builder",
"run",
"tool-builder"
An MCP server that empowers LLMs to dynamically create new tools through MCP clients such as Claude Desktop.
## Features
Create new tools by describing them in natural language
Requires client restart to use new tools (Claude Desktop)
New tools are saved as python scriptlets in ...\\mcp-tool-builder\\tools
New tool definitions are saved in ...\\mcp-tool-builder\\tools\tools.json
## Example tools included at installation
getbitcoinprice: Fetches current Bitcoin price from CoinGecko
getweatherforecast: Gets weather for US ZIP codes (uses geopy)
## Creating New Tools
Use the createtool command in Claude Desktop (or suggest strongly!!) to create new tools dynamically
## Installation
1. Clone this repository
2. Install dependencies:
bash
cd mcp-tool-builder
uv venv
.venv\Scripts\activate
uv pip install -e .
## Usage with Claude Desktop
Add to claudedesktopconfig.json:
json
"mcpServers": {
"tool-builder": {
"command": "uv",
"args": [
"--directory",
"PATHTO\\mcp-tool-builder",
"run",
"tool-builder"
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[](https://anclum.com/en/s/hanweg-mcp-tool-builder/)
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- awesome · https://github.com/hanweg/mcp-tool-builder
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