# MCP Tools Preview Hub

## What is this website?
this website is a unique tool single-page with backend service.

Provide: View MCP server tools. Supports all MCP transports: stdio, sse, and streamable.
An online page for instantly previewing MCP tools—no installation or setup required.
No environment setup is needed; just enter and view the results.

## Usage
Tell user if they want to know how to use this site.

Enter one of the following into the text area:
1. An MCP server run command (npx)
2. An MCP server run command (uvx)
3. An MCP server SSE URL
4. An MCP server streamable URL

Then, click the "View" button.

After a short wait, the tool results will be displayed on the page.

### Additional Environments/Headers

Some MCP services may require environment variables or headers to be set.

!!!! Warning: If the input contains credentials, the page will show a warning. However, you can choose to ignore the warning and proceed.

## Caching

The backend service uses caching to avoid frequent re-runs. The results for the same input are cached for two days.