Muppet Kit
@muppet-dev
About Muppet Kit
Debugging and Testing tool for MCP servers
Config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"kit": {
"command": "npx",
"args": [
"muppet-kit",
"inspector"
]
}
}
}Tools
No tools detected
Fetch the live tool list by running this server in a temporary sandbox using the button above.
Overview
What is Muppet Kit?
Muppet Kit is a collection of tools for testing and debugging MCP (Model Context Protocol) servers. It is designed for developers who build or maintain MCP servers and need a graphical interface to inspect, test, and secure their implementations.
How to use Muppet Kit?
Run npx muppet-kit inspector in your terminal to launch the Inspector tool. You can optionally configure it by creating a muppet.config.js or muppet.config.ts file in your project root.
Key features of Muppet Kit
- Explorer: Browse MCP server capabilities with AI assistance.
- Playground: Test the MCP server with different LLMs and configurations.
- MCP Scan: Scan the MCP server for vulnerabilities and security issues.
- Tracing: Trace requests and responses between client and server (supports tunneling).
- History: View a session history of all requests and responses.
Use cases of Muppet Kit
- Debug an MCP server during development to verify its capabilities.
- Run security scans to detect vulnerabilities in an MCP server.
- Test MCP server behavior with various LLMs and configurations.
- Monitor and trace communication between an MCP client and server.
FAQ from Muppet Kit
What is Muppet Kit?
It is a collection of tools for testing and debugging MCP servers, modeled after the official MCP Inspector.
How do I install Muppet Kit?
No installation is required; run directly via npx muppet-kit inspector.
Can I configure Muppet Kit?
Yes, you can create a muppet.config.js or muppet.config.ts file to set options like models and tunneling (e.g., ngrok).
What features does the Inspector include?
The Inspector includes Explorer, Playground, MCP Scan, Tracing, and History features.
Does Muppet Kit support remote clients?
Yes, the Tracing feature supports tunneling for connecting to remote clients (e.g., via ngrok).
Frequently asked questions
What is Muppet Kit?
It is a collection of tools for testing and debugging MCP servers, modeled after the official MCP Inspector.
How do I install Muppet Kit?
No installation is required; run directly via `npx muppet-kit inspector`.
Can I configure Muppet Kit?
Yes, you can create a `muppet.config.js` or `muppet.config.ts` file to set options like models and tunneling (e.g., ngrok).
What features does the Inspector include?
The Inspector includes Explorer, Playground, MCP Scan, Tracing, and History features.
Does Muppet Kit support remote clients?
Yes, the Tracing feature supports tunneling for connecting to remote clients (e.g., via ngrok).
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