yatt-ts

Level CLocal

Highly configurable YATT MCP server library: spin up your own UI-testing MCP server (35 tools, Playwright engine, headless-first) with strict, typed configuration for paths, HTTP transport, auth, permissions, sessions and retention.

⭐ 0Browser AutomationJavaScriptRepo ↗Updated 2026-09-21

Installation

MCP client config (paste into mcp.json)

{
  "mcpServers": {
    "npm-yatt-ts": {
      "command": "npx",
      "args": [
        "yatt-ts"
      ]
    }
  }
}

Agent install prompt

Copy and paste into Cursor / Claude / other agents to install this MCP for you

Please read this MCP repository and install it into my current environment:
https://www.npmjs.com/package/yatt-ts

Known working client config (can write into mcp.json):
{
  "mcpServers": {
    "npm-yatt-ts": {
      "command": "npx",
      "args": [
        "yatt-ts"
      ]
    }
  }
}

Please: 1) check README for deps and env vars; 2) write config for my client; 3) if secrets are missing, tell me what to fill — do not invent values.

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