CloakBrowser MCP server

by swimmwatch·io.github.swimmwatch/cloakbrowser-mcp·v1.13.0

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Playwright MCP-compatible browser automation bridge for CloakBrowser Chromium.

B83/100grade B

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Safety scan

B83/100

full report

Adoption

Established

62 stars428 downloads/wk

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CloakBrowser MCP tools

No tool declarations could be read from the package source. They show once the server is installed.

Public scan report

scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it

no findings

Code scan45 source files scanned; 45 source files scanned25/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitystatic API keys via environment variables6/15
Maintenancelast push 2 days ago15/15
Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Overall 83/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

Install directly

Runs npx -y cloakbrowser-mcp on your machine. Read the scan report first; the gateway never runs local packages.

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

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CloakBrowser MCP: common questions

Is CloakBrowser MCP server safe?: Mostly: it is graded B (83/100). Read the CloakBrowser MCP safety report
How do I install CloakBrowser MCP?: It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does CloakBrowser MCP need an API key?: Yes. The registry entry asks for CLOAK_PLAYWRIGHT_MCP_HTTP_AUTH_TOKEN.
Is CloakBrowser MCP maintained?: The last commit was 2 days ago (2026-09-18). The latest release is v1.13.0.
What can I use instead of CloakBrowser MCP?: Servers from other publishers that do the same job: Vibe Test — Browser Testing Agent MCP server, Ghostlight MCP server and Session Bridge MCP server. Compare all CloakBrowser MCP alternatives.

Alternatives to CloakBrowser MCP

Same job from other publishers: the closest match first, then the best rated.

All CloakBrowser MCP alternatives →

Vibe Test — Browser Testing Agent
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Session Bridge
Drive a browser you are already signed into, through the free T3rnel Browser extension.
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Clickcast
Drive a real Playwright browser: annotated screenshot + structured page state after every action.
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Feedthrough
Debug bridge inside your web app: an agent reads the DOM, console and network. Any browser.
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CloakBrowser MCP vs Vibe Test — Browser Testing Agent CloakBrowser MCP vs Ghostlight CloakBrowser MCP vs Session Bridge

Run it through the gateway

Local package. It runs on your machine, not through the gateway.

Rating: —
Safety grade: B · 83/100
Stars: 62
Downloads/wk: 428
Price: Free
Licence: MIT
Transport: Local · mixed
Version: 1.13.0
Category: Scraping and browsing
Last release: 2026-09-18

Credentials it needs

PLAYWRIGHT_MCP_BROWSER_ENGINEBridge browser engine: cloak or playwright.
PLAYWRIGHT_MCP_HEADLESSRun the browser in headless mode.
PLAYWRIGHT_MCP_OUTPUT_DIRDirectory where upstream Playwright MCP writes artifacts.
PLAYWRIGHT_MCP_CODEGENGenerate code in typescript, python, java, csharp, or none.
PLAYWRIGHT_MCP_SNAPSHOT_BOXESInclude element bounding boxes in browser snapshots.
PLAYWRIGHT_MCP_TIMEOUT_SETTLEMilliseconds to wait after actions for triggered work to settle.
PLAYWRIGHT_MCP_USER_DATA_DIRPersistent Chromium profile directory. The bridge resolves it to an absolute path and writes it to generated Playwright MCP config.
CLOAK_PLAYWRIGHT_MCP_CONTEXT_OPTIONSJSON object with validated Playwright context options such as viewport, locale, timezoneId, permissions, geolocation, and headers.
CLOAK_PLAYWRIGHT_MCP_EXTENSION_PATHSJSON array or comma-separated list of Chrome extension directories. Requires PLAYWRIGHT_MCP_USER_DATA_DIR.
CLOAK_PLAYWRIGHT_MCP_CONSOLE_FALLBACKPatch upstream console message collection for CloakBrowser compatibility.
CLOAK_PLAYWRIGHT_MCP_GEOIP_PROXY_MATCHResolve proxy GeoIP and match CloakBrowser timezone/locale fingerprint flags when PLAYWRIGHT_MCP_PROXY_SERVER is set.
CLOAK_PLAYWRIGHT_MCP_EXTRA_ARGSComma-separated or JSON array of extra Chromium launch arguments.
CLOAK_PLAYWRIGHT_MCP_HTTP_HOSTStreamable HTTP bind host.
CLOAK_PLAYWRIGHT_MCP_HTTP_PORTStreamable HTTP bind port.
CLOAK_PLAYWRIGHT_MCP_HTTP_ENDPOINTStreamable HTTP endpoint path.
CLOAK_PLAYWRIGHT_MCP_HTTP_AUTH_TOKENsecretOptional Streamable HTTP Bearer token.
CLOAK_PLAYWRIGHT_MCP_HTTP_SESSION_BACKENDSession metadata backend. Only memory is implemented in this release.
CLOAK_PLAYWRIGHT_MCP_HTTP_SESSION_IDLE_TTL_MSIdle TTL for Streamable HTTP sessions.
CLOAK_PLAYWRIGHT_MCP_HTTP_SESSION_MAXMaximum active Streamable HTTP sessions in one process.
PLAYWRIGHT_MCP_BROWSER_ENGINEBridge browser engine: cloak or playwright.
PLAYWRIGHT_MCP_HEADLESSRun the browser in headless mode.
PLAYWRIGHT_MCP_OUTPUT_DIRDirectory where upstream Playwright MCP writes artifacts.
PLAYWRIGHT_MCP_CODEGENGenerate code in typescript, python, java, csharp, or none.
PLAYWRIGHT_MCP_SNAPSHOT_BOXESInclude element bounding boxes in browser snapshots.
PLAYWRIGHT_MCP_TIMEOUT_SETTLEMilliseconds to wait after actions for triggered work to settle.
PLAYWRIGHT_MCP_USER_DATA_DIRPersistent Chromium profile directory. The bridge resolves it to an absolute path and writes it to generated Playwright MCP config.
CLOAK_PLAYWRIGHT_MCP_CONTEXT_OPTIONSJSON object with validated Playwright context options such as viewport, locale, timezoneId, permissions, geolocation, and headers.
CLOAK_PLAYWRIGHT_MCP_EXTENSION_PATHSJSON array or comma-separated list of Chrome extension directories. Requires PLAYWRIGHT_MCP_USER_DATA_DIR.
CLOAK_PLAYWRIGHT_MCP_CONSOLE_FALLBACKPatch upstream console message collection for CloakBrowser compatibility.
CLOAK_PLAYWRIGHT_MCP_GEOIP_PROXY_MATCHResolve proxy GeoIP and match CloakBrowser timezone/locale fingerprint flags when PLAYWRIGHT_MCP_PROXY_SERVER is set.
CLOAK_PLAYWRIGHT_MCP_EXTRA_ARGSComma-separated or JSON array of extra Chromium launch arguments.
PLAYWRIGHT_MCP_BROWSER_ENGINEBridge browser engine: cloak or playwright.
PLAYWRIGHT_MCP_HEADLESSRun the browser in headless mode.
PLAYWRIGHT_MCP_OUTPUT_DIRDirectory inside the container where upstream Playwright MCP writes artifacts.
PLAYWRIGHT_MCP_CODEGENGenerate code in typescript, python, java, csharp, or none.
PLAYWRIGHT_MCP_SNAPSHOT_BOXESInclude element bounding boxes in browser snapshots.
PLAYWRIGHT_MCP_TIMEOUT_SETTLEMilliseconds to wait after actions for triggered work to settle.
PLAYWRIGHT_MCP_USER_DATA_DIRPersistent Chromium profile directory inside the container. Use /data/profiles/... with the existing /data volume.
CLOAK_PLAYWRIGHT_MCP_CONTEXT_OPTIONSJSON object with validated Playwright context options such as viewport, locale, timezoneId, permissions, geolocation, and headers.
CLOAK_PLAYWRIGHT_MCP_EXTENSION_PATHSJSON array or comma-separated list of Chrome extension directories inside the container. Requires PLAYWRIGHT_MCP_USER_DATA_DIR.
CLOAK_PLAYWRIGHT_MCP_CONSOLE_FALLBACKPatch upstream console message collection for CloakBrowser compatibility.
CLOAK_PLAYWRIGHT_MCP_GEOIP_PROXY_MATCHResolve proxy GeoIP and match CloakBrowser timezone/locale fingerprint flags when PLAYWRIGHT_MCP_PROXY_SERVER is set.
CLOAK_PLAYWRIGHT_MCP_EXTRA_ARGSComma-separated or JSON array of extra Chromium launch arguments.
PLAYWRIGHT_MCP_BROWSER_ENGINEBridge browser engine: cloak or playwright.
PLAYWRIGHT_MCP_HEADLESSRun the browser in headless mode.
PLAYWRIGHT_MCP_OUTPUT_DIRDirectory inside the container where upstream Playwright MCP writes artifacts.
PLAYWRIGHT_MCP_CODEGENGenerate code in typescript, python, java, csharp, or none.
PLAYWRIGHT_MCP_SNAPSHOT_BOXESInclude element bounding boxes in browser snapshots.
PLAYWRIGHT_MCP_TIMEOUT_SETTLEMilliseconds to wait after actions for triggered work to settle.
PLAYWRIGHT_MCP_USER_DATA_DIRPersistent Chromium profile directory inside the container. Use /data/profiles/... with the existing /data volume.
CLOAK_PLAYWRIGHT_MCP_CONTEXT_OPTIONSJSON object with validated Playwright context options such as viewport, locale, timezoneId, permissions, geolocation, and headers.
CLOAK_PLAYWRIGHT_MCP_EXTENSION_PATHSJSON array or comma-separated list of Chrome extension directories inside the container. Requires PLAYWRIGHT_MCP_USER_DATA_DIR.
CLOAK_PLAYWRIGHT_MCP_CONSOLE_FALLBACKPatch upstream console message collection for CloakBrowser compatibility.
CLOAK_PLAYWRIGHT_MCP_GEOIP_PROXY_MATCHResolve proxy GeoIP and match CloakBrowser timezone/locale fingerprint flags when PLAYWRIGHT_MCP_PROXY_SERVER is set.
CLOAK_PLAYWRIGHT_MCP_EXTRA_ARGSComma-separated or JSON array of extra Chromium launch arguments.

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