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Playwright MCP (Heroku)

Enables AI models to interact with web pages through structured accessibility snapshots using Playwright. Deployable on Heroku for easy cloud hosting.

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// key findings
⚠️
Known vulnerabilities in dependencies: 5 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 2 credentials: ANTHROPIC_API_KEY, OPENAI_API_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies5 high2 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.16.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.16.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.16.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

highplaywright@1.55.0-alpha-2025-08-12GHSA-7mvr-c777-76hp

Playwright downloads and installs browsers without verifying the authenticity of the SSL certificate

highesbuild@0.20.1GHSA-gv7w-rqvm-qjhr

esbuild: Missing binary integrity verification in Deno module enables remote code execution via NPM_CONFIG_REGISTRY

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
🔐 secretANTHROPIC_API_KEY
configDISPLAYrun the MCP server from environment with the and pass the --port flag to enable HTTP transport.
configDYNO
configMCP_IN_DOCKER
🔐 secretOPENAI_API_KEY
configPLAYWRIGHT_MCP_ALLOWED_ORIGINS
configPLAYWRIGHT_MCP_BLOCKED_ORIGINS
configPLAYWRIGHT_MCP_BLOCK_SERVICE_WORKERS
configPLAYWRIGHT_MCP_BROWSER
configPLAYWRIGHT_MCP_CAPS
configPLAYWRIGHT_MCP_CDP_ENDPOINT
configPLAYWRIGHT_MCP_CONFIG
configPLAYWRIGHT_MCP_DEVICE
configPLAYWRIGHT_MCP_EXECUTABLE_PATH
configPLAYWRIGHT_MCP_HEADLESS
configPLAYWRIGHT_MCP_HOST
configPLAYWRIGHT_MCP_IGNORE_HTTPS_ERRORS
configPLAYWRIGHT_MCP_IMAGE_RESPONSES
configPLAYWRIGHT_MCP_ISOLATED
configPLAYWRIGHT_MCP_OUTPUT_DIR
configPLAYWRIGHT_MCP_PORT
configPLAYWRIGHT_MCP_PROXY_BYPASS
configPLAYWRIGHT_MCP_PROXY_SERVER
configPLAYWRIGHT_MCP_SANDBOX
configPLAYWRIGHT_MCP_SAVE_TRACE
configPLAYWRIGHT_MCP_STORAGE_STATE
configPLAYWRIGHT_MCP_USER_AGENT
configPLAYWRIGHT_MCP_USER_DATA_DIR
configPLAYWRIGHT_MCP_VIEWPORT_SIZE
configPORT
configPWMCP_DEBUG
configPWMCP_PROFILES_DIR_FOR_TEST
configXDG_CACHE_HOME
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/dsouza-anush-playwright-mcp-heroku-1bzau1)](https://m8ven.ai/mcp/dsouza-anush-playwright-mcp-heroku-1bzau1)
commit: dd43887732e6de12eb445bc5793f3a76467988ba
code hash: 12122eb9d90a3a1da5551e9ab31dbdb1b04516f8b4db7d57e5bd3714e13082b9
verified: 6/14/2026, 9:52:52 AM
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