Playwright MCP HTTP Server (mcpmessenger/playwright-mcp) is an MCP server listed on the M8ven Trust Index. M8ven has not graded it: we have no way to read this server ourselves. No publisher has claimed this listing.
Provides browser automation capabilities via HTTP endpoints by wrapping the official Playwright MCP package, enabling serverless deployments and cloud environments where STDIO-based communication is not possible.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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mcpmessenger
Source: Glama
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
express-rate-limit: IPv4-mapped IPv6 addresses bypass per-client rate limiting on servers with dual-stack network
Playwright downloads and installs browsers without verifying the authenticity of the SSL certificate
express vulnerable to XSS via response.redirect()
Express.js Open Redirect in malformed URLs
ALLOWED_DOMAINSAUTH_SECRET_NAME(none) GCP Secret Manager secret name (alternative to AUTH_TOKEN)AUTH_TOKEN(none) Bearer token for authentication (required for production)CORS_ORIGINCORS allowed originsGCP_PROJECT_ID(auto) GCP project ID (required if using AUTH_SECRET_NAME)GOOGLE_CLOUD_PROJECTLOG_LEVELinfo Logging level (error, warn, info, debug)MAX_CONCURRENT_BROWSERSMAX_SESSIONS(unlimited) Maximum concurrent browser sessionsPLAYWRIGHT_BROWSERchromium Browser type (chromium, firefox, webkit)PLAYWRIGHT_BROWSERS_PATHPLAYWRIGHT_BROWSER_ARGSPLAYWRIGHT_HEADLESStrue Run browser in headless modeRATE_LIMIT_MAXRATE_LIMIT_WINDOW_MSREQUEST_TIMEOUT_MSSESSION_TIMEOUT(none) Session timeout in secondsPORTTool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
3/3 tools missing one or more hints — get_accessibility_snapshot (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); perform_checkout (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); fill_form_skill (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint). OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
License file
No license file
Add a LICENSE file (MIT, Apache-2.0, etc.).
Tests exist
No test files found
Add tests that exercise each declared tool.
Shell command execution
5 child_process calls — runs shell commands
Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.
Production dependencies are patched
0 critical, 2 high severity in production deps — express-rate-limit@8.2.1 (high), playwright@1.40.0 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
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