CloakBrowser MCP Server

What the code does

We read the source, 22 h ago · rules 995398eba69f

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

  const file = path.join(userDataDir, profileSeedFileName);

USER root

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Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

claude mcp add cloakbrowser-mcp -- npx -y cloakbrowser-mcp

{
  "mcpServers": {
    "cloakbrowser-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "cloakbrowser-mcp"
      ]
    }
  }
}

[mcp_servers.cloakbrowser-mcp]
command = "npx"
args = ["-y", "cloakbrowser-mcp"]

{
  "mcpServers": {
    "cloakbrowser-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "cloakbrowser-mcp"
      ]
    }
  }
}

{
  "servers": {
    "cloakbrowser-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "cloakbrowser-mcp"
      ]
    }
  }
}

Optional settings from the registry entry, left out of the block above: CLOAK_PLAYWRIGHT_MCP_HTTP_HOST (Streamable HTTP bind host), CLOAK_PLAYWRIGHT_MCP_HTTP_PORT (Streamable HTTP bind port), CLOAK_PLAYWRIGHT_MCP_HTTP_ENDPOINT (Streamable HTTP endpoint path), CLOAK_PLAYWRIGHT_MCP_HTTP_AUTH_TOKEN (Optional Streamable HTTP Bearer token), CLOAK_PLAYWRIGHT_MCP_HTTP_SESSION_BACKEND (Session metadata backend. Only memory is implemented in this release), CLOAK_PLAYWRIGHT_MCP_HTTP_SESSION_IDLE_TTL_MS (Idle TTL for Streamable HTTP sessions), CLOAK_PLAYWRIGHT_MCP_HTTP_SESSION_MAX (Maximum active Streamable HTTP sessions in one process), PLAYWRIGHT_MCP_BROWSER_ENGINE (Bridge browser engine: cloak or playwright), PLAYWRIGHT_MCP_HEADLESS (Run the browser in headless mode), PLAYWRIGHT_MCP_OUTPUT_DIR (Directory where upstream Playwright MCP writes artifacts), PLAYWRIGHT_MCP_CODEGEN (Generate code in typescript, python, java, csharp, or none), PLAYWRIGHT_MCP_SNAPSHOT_BOXES (Include element bounding boxes in browser snapshots), PLAYWRIGHT_MCP_TIMEOUT_SETTLE (Milliseconds to wait after actions for triggered work to settle), PLAYWRIGHT_MCP_USER_DATA_DIR (Persistent Chromium profile directory. The bridge resolves it to an absolute path and writes it to generated Playwright MCP config), CLOAK_PLAYWRIGHT_MCP_CONTEXT_OPTIONS (JSON object with validated Playwright context options such as viewport, locale, timezoneId, permissions, geolocation, and headers), CLOAK_PLAYWRIGHT_MCP_EXTENSION_PATHS (JSON array or comma-separated list of Chrome extension directories. Requires PLAYWRIGHT_MCP_USER_DATA_DIR), CLOAK_PLAYWRIGHT_MCP_CONSOLE_FALLBACK (Patch upstream console message collection for CloakBrowser compatibility), CLOAK_PLAYWRIGHT_MCP_GEOIP_PROXY_MATCH (Resolve proxy GeoIP and match CloakBrowser timezone/locale fingerprint flags when PLAYWRIGHT_MCP_PROXY_SERVER is set), CLOAK_PLAYWRIGHT_MCP_EXTRA_ARGS (Comma-separated or JSON array of extra Chromium launch arguments).