CloakBrowser MCP

What it does

Playwright MCP-compatible browser automation bridge for CloakBrowser Chromium.

Description as published by the publisher in the official MCP Registry, read 10 Oct 2026. Not written or verified by Few Servers.

Facts

Install

• npm package, as published: cloakbrowser-mcp · version 1.14.1 · transport stdio

  npx -y cloakbrowser-mcp

  Standard run command for npm packages. The registry publishes the package name, not a command; check the repository for required arguments.
• npm package, as published: cloakbrowser-mcp · version 1.14.1 · transport streamable-http

  npx -y cloakbrowser-mcp

  Standard run command for npm packages. The registry publishes the package name, not a command; check the repository for required arguments.
• Docker package, as published: ghcr.io/swimmwatch/cloakbrowser-mcp:1.14.1 · transport stdio

  docker run -i --rm ghcr.io/swimmwatch/cloakbrowser-mcp:1.14.1

  Standard run command for Docker packages. The registry publishes the package name, not a command; check the repository for required arguments.
• Docker package, as published: docker.io/swimmwatch/cloakbrowser-mcp:1.14.1 · transport stdio

  docker run -i --rm docker.io/swimmwatch/cloakbrowser-mcp:1.14.1

  Standard run command for Docker packages. The registry publishes the package name, not a command; check the repository for required arguments.

Install details read from the registry record on 12 Oct 2026. We have not run this server.

Keys and settings

The registry record declares a secret value (a key or token) that is not marked required. Declared by the publisher:

• PLAYWRIGHT_MCP_BROWSER_ENGINE (environment variable, not marked required): Bridge browser engine: cloak or playwright.
• PLAYWRIGHT_MCP_HEADLESS (environment variable, not marked required): Run the browser in headless mode.
• PLAYWRIGHT_MCP_OUTPUT_DIR (environment variable, not marked required): Directory where upstream Playwright MCP writes artifacts.
• PLAYWRIGHT_MCP_CODEGEN (environment variable, not marked required): Generate code in typescript, python, java, csharp, or none.
• PLAYWRIGHT_MCP_SNAPSHOT_BOXES (environment variable, not marked required): Include element bounding boxes in browser snapshots.
• PLAYWRIGHT_MCP_TIMEOUT_SETTLE (environment variable, not marked required): Milliseconds to wait after actions for triggered work to settle.
• PLAYWRIGHT_MCP_USER_DATA_DIR (environment variable, not marked required): 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 (environment variable, not marked required): JSON object with validated Playwright context options such as viewport, locale, timezoneId, permissions, geolocation, and headers.
• CLOAK_PLAYWRIGHT_MCP_EXTENSION_PATHS (environment variable, not marked required): JSON array or comma-separated list of Chrome extension directories. Requires PLAYWRIGHT_MCP_USER_DATA_DIR.
• CLOAK_PLAYWRIGHT_MCP_CONSOLE_FALLBACK (environment variable, not marked required): Patch upstream console message collection for CloakBrowser compatibility.
• CLOAK_PLAYWRIGHT_MCP_GEOIP_PROXY_MATCH (environment variable, not marked required): Resolve proxy GeoIP and match CloakBrowser timezone/locale fingerprint flags when PLAYWRIGHT_MCP_PROXY_SERVER is set.
• CLOAK_PLAYWRIGHT_MCP_EXTRA_ARGS (environment variable, not marked required): Comma-separated or JSON array of extra Chromium launch arguments.
• CLOAK_PLAYWRIGHT_MCP_HTTP_HOST (environment variable, not marked required): Streamable HTTP bind host.
• CLOAK_PLAYWRIGHT_MCP_HTTP_PORT (environment variable, not marked required): Streamable HTTP bind port.
• CLOAK_PLAYWRIGHT_MCP_HTTP_ENDPOINT (environment variable, not marked required): Streamable HTTP endpoint path.
• CLOAK_PLAYWRIGHT_MCP_HTTP_AUTH_TOKEN (environment variable, secret, not marked required): Optional Streamable HTTP Bearer token.
• CLOAK_PLAYWRIGHT_MCP_HTTP_SESSION_BACKEND (environment variable, not marked required): Session metadata backend. Only memory is implemented in this release.
• CLOAK_PLAYWRIGHT_MCP_HTTP_SESSION_IDLE_TTL_MS (environment variable, not marked required): Idle TTL for Streamable HTTP sessions.
• CLOAK_PLAYWRIGHT_MCP_HTTP_SESSION_MAX (environment variable, not marked required): Maximum active Streamable HTTP sessions in one process.

Links

RepositoryWebsiteRegistry record (JSON)npm packagenpm package

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