@limetest/mcp

limetest MCP Server

A Model Context Protocol (MCP) server powered by Playwright that streamlinse end to end testing for your MCP client.

Use Cases

• Automated testing planned and executed by LLMs

Example config

After cloning this repo, build and add the E2E MCP server to your MCP Client as such: Notice that you need OpenAI API key to run this MCP server in end to end mode.

npm install @limetest/mcp

npx playwright install

Then:

{
    "mcpServers": {
        "limetest": {
            "command": "npx",
            "args": [
                "npx @limetest/mcp",
                "--api-key=<your openai api key>"
            ]
        }
    }
}

User data directory

limtest MCP will launch Chrome browser with the new profile, located at

- `%USERPROFILE%\AppData\Local\ms-limetest\mcp-chrome-profile` on Windows
- `~/Library/Caches/ms-limetest/mcp-chrome-profile` on macOS
- `~/.cache/ms-limetest/mcp-chrome-profile` on Linux

All the logged in information will be stored in that profile, you can delete it between sessions if you'd like to clear the offline state.

Acknowledgements

Limetest is based on Microsoft's Playwright MCP and optimized for automated end-to-end testing as a standalone framework. This project is distributed under the Apache 2.0 License.