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Rev4nchist

Fourth Playwright MCP Server

by Rev4nchist
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Python
Remote

Playwright Web MCP

General-purpose web automation MCP server built on FastMCP v3 and @playwright/mcp.

Gives Claude browser automation capabilities over HTTP — navigate websites, fill forms, extract data, and interact with any web application.

Architecture

Claude.ai / Cowork Plugin
    │  Streamable HTTP
    ▼
FastMCP v3 (Python)
    │
    ├── 70+ playwright_* tools (proxied via subprocess)
    ├── 19 web_* orchestration tools
    ├── 1 browser_wait_for wrapper
    └── Skills (MCP resources)

Tools

Web Automation (custom orchestration)

Tool

Purpose

web_login

Navigate to login page, discover form fields (auto_fill option)

web_check_auth_state

Check if user is authenticated

web_navigate_and_wait

Navigate + SPA-aware content waiting

web_wait_for_ready

Wait for page content after any action

web_discover_navigation

Identify menus, tabs, pagination

web_extract_table

Extract table data (rows/csv/markdown, DOM mode)

web_extract_page_data

Extract targeted page content

web_extract_links

Extract links via DOM (structured data)

web_discover_form

Identify form fields, types, refs

web_fill_form

Batch-fill form fields

web_search

Search Google/DuckDuckGo with filters

web_search_and_extract

Search + multi-page content extraction

web_extract_article

Clean article text via DOM parsing

web_extract_metadata

Page metadata (OG, JSON-LD, meta tags)

web_save_pdf

Save page as PDF

web_save_session

Save browser session state

web_load_session

Restore saved session

web_execute_js

Run JavaScript with error handling

web_extract_structured_data

CSS selector-based data extraction

Playwright Primitives (proxied)

All 70+ @playwright/mcp tools are available with a playwright_ prefix: playwright_browser_navigate, playwright_browser_snapshot, playwright_browser_click, playwright_browser_type, playwright_browser_take_screenshot, and more.

Utility

Tool

Purpose

browser_wait_for

Type-safe wrapper for playwright_browser_wait_for

Deployment

Railway (production)

The server deploys to Railway via Dockerfile. Set these environment variables:

Variable

Required

Default

Description

PORT

No

Set by Railway

HTTP port

HOST

No

0.0.0.0

Bind address

OAUTH_CLIENT_ID

No

—

OAuth client ID (omit to disable auth)

OAUTH_CLIENT_SECRET

No

—

OAuth client secret

OAUTH_AUTHORIZATION_ENDPOINT

No

Google OIDC

Authorization endpoint

OAUTH_TOKEN_ENDPOINT

No

Google OIDC

Token endpoint

BASE_URL

No

http://127.0.0.1:8000

Server public URL (for OAuth redirects)

Local development

# Install dependencies
uv sync

# Start server
uv run python src/server.py
# → http://localhost:8000/health

Docker

docker build -t playwright-web-mcp .
docker run -p 8000:8000 playwright-web-mcp

Usage

Claude.ai Custom Connector

Add as a Custom Connector in Claude.ai Project settings:

  • URL: https://<your-app>.railway.app/mcp

  • Auth: OAuth 2.1 (if configured)

Cowork Plugin

Reference the MCP endpoint in your plugin's .mcp.json:

{
  "mcpServers": {
    "web": {
      "url": "https://<your-app>.railway.app/mcp"
    }
  }
}

Development

# Run tests
uv run pytest

# Lint
uv run ruff check src/

# Type check
uv run ruff format --check src/

License

Internal use — Fourth Enterprises.

This server cannot be installed

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