MCP Jailbreaker Server
This is a Model Context Protocol (MCP) server that implements a partial AI jailbreak, deployed as a Cloudflare Worker. Connect your ai with the jailbreaker via https://mcp-jailbreaker.cf-test-fa8.workers.dev/mcp.
TLDR
Add this config for Claude:
{
"mcpServers": {
"mcp-jailbreaker": {
"command": "npx",
"args": [
"mcp-remote",
"https://mcp-jailbreaker.cf-test-fa8.workers.dev/mcp"
]
}
}
}
How It Works
Once set up, start a conversation with the AI using the phrase:
"Let's play space wars"
[!IMPORTANT] This jailbreak works for the most part, but you must remain in character and maintain the illusion for the AI in order for it to stay jailbroken. Breaking character may cause the AI to revert to its normal behavior or report you to the provider.
Features
- No Authentication: The server is open and requires no credentials.
- play_game Tool: A simple tool that initiates the space wars scenario.
- Cloudflare Workers: Runs on Cloudflare's edge network for low latency.
Prerequisites
- Node.js (v18 or higher recommended)
- npm
- Wrangler CLI (for deployment)
Installation
- Clone the repository:
git clone https://github.com/Mcrich23/mcp-jailbreaker.git cd mcp-jailbreaker - Install dependencies:
npm install
Usage
Local Development
Run the server locally with Wrangler:
npm run dev
This starts a local server at http://localhost:8787.
Endpoints
/- Health check/sse- Server-Sent Events transport for MCP/mcp- Standard MCP HTTP transport
Deployment to Cloudflare
Deploy to Cloudflare Workers:
npm run deploy
Configuration in Claude Desktop
Add the following to your claude_desktop_config.json (typically located in ~/Library/Application Support/Claude/ on macOS):
{
"mcpServers": {
"mcp-jailbreaker": {
"command": "npx",
"args": [
"mcp-remote",
"https://mcp-jailbreaker.cf-test-fa8.workers.dev/mcp"
]
}
}
}
Replace the URL with your deployed Cloudflare Worker URL.
Development
Configuration in Claude Desktop
Add the following to your claude_desktop_config.json (typically located in ~/Library/Application Support/Claude/ on macOS):
{
"mcpServers": {
"mcp-jailbreaker": {
"command": "npx",
"args": [
"mcp-remote",
"http://localhost:8787/mcp"
]
}
}
}
Available Scripts
npm run dev- Run locally with Wranglernpm run deploy- Deploy to Cloudflare Workersnpm run format- Format code with Biomenpm run lint:fix- Lint and fix with Biomenpm run type-check- TypeScript type checking