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Readme

Ubuntu SSH Docker Container

This project provides a Docker container running Ubuntu with SSH access.

Setup

Make sure you have Docker and Docker Compose installed on your system.
Create a shared directory for file exchange between host and container:
```
mkdir -p shared
```
Build and start the container:
```
docker-compose up -d
```

Accessing the Container

SSH Access

Connect to the container using SSH:

ssh ubuntu@localhost -p 2222

Password: ubuntu

You can also connect as root:

ssh root@localhost -p 2222

Password: root

Direct Container Access

You can also access the container directly using Docker:

docker exec -it ubuntu-ssh bash

Shared Files

The ./shared directory on your host is mounted to /home/ubuntu/shared in the container. You can use this to exchange files between your host and the container.

Stopping the Container

To stop the container:

docker-compose down

MCP Test Servers

A collection of MCP test servers including working servers and test failure cases.

Installation

npm install -g @msfeldstein/mcp-test-servers

Usage

Running a server

npx @msfeldstein/mcp-test-servers <server-type>

Available server types:

ping: A simple server with ping and long-running-ping tools
resource: A server that returns resources
combined: A server with both ping and resource tools
broken-tool: A server with a tool that always errors
crash-on-startup: A server that crashes on startup
env-check: A server that checks for environment variables
env-echo: A server that echoes environment variables
many-resources: A server that returns many resources
duplicate-names: A server with duplicate tool names
image: A server that generates a red circle image

Image Server

The image server provides a tool to generate a red circle image:

Tool: generate_image
Parameters:
- size (optional): The size of the image in pixels (both width and height). Default is 200px.

The tool generates a red circle on a white background and saves it to the output directory as red_circle.png.

Example usage:

// Call with default size (200px)
const result = await callTool("generate_image", {});

// Call with custom size
const result = await callTool("generate_image", { size: 400 });

Dependencies

For the image server, you'll need to have the necessary dependencies for the canvas package. On some systems, you might need to install additional libraries:

Ubuntu/Debian

sudo apt-get install build-essential libcairo2-dev libpango1.0-dev libjpeg-dev libgif-dev librsvg2-dev

macOS

brew install pkg-config cairo pango libpng jpeg giflib librsvg

Windows

See the node-canvas wiki for Windows installation instructions.