Jailbreak Resistance Tester

Overview

Jailbreak Resistance Tester is an MCP server that evaluates how well language model agents can resist common jailbreak techniques, including DAN prompts, role-play exploits, and encoding bypass attempts. It provides systematic probing capabilities to test and strengthen LLM safety measures.

The server runs as a hosted remote endpoint at https://llmrt-companion.manhliemcn4euwlu.workers.dev/mcp-jailbreak with no authentication required and no local installation needed. Version v1.1.0 is the latest release. Learn more at https://llmrt-companion.manhliemcn4euwlu.workers.dev/agent.

Jailbreak Resistance Tester is listed in the AI & Agents category and works with MCP clients including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed, and others. If you maintain this server, claim this listing to verify ownership and keep information up to date.

Installation

Settings → Connectors → Add custom connector
Name: Jailbreak Resistance Tester
URL:  https://llmrt-companion.manhliemcn4euwlu.workers.dev/mcp-jailbreak