How does this skill save context window tokens?

Instead of loading all available tool definitions at once, it uses progressive disclosure to only query and load specific tool schemas when you actually need to use them.

Why should I use 'browser_run_code' instead of individual browser tools?

Standard MCP calls often start a fresh browser session each time. 'browser_run_code' allows you to group actions like clicking, typing, and navigating into one session so state is not lost.

Can I use this for complex web scraping and automation?

Yes, it is specifically optimized for Playwright, providing a 'browser_run_code' tool that allows multi-step interactions to happen within a single persistent session.

Which MCP servers are supported by this client?

It is a universal client, meaning it can connect to any server that adheres to the Model Context Protocol, including official servers for GitHub, Google Drive, and local filesystems.

Universal MCP Client

Name: Universal MCP Client
Author: cristian-robert

bycristian-robert

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Browser Automation

Connects Claude to any Model Context Protocol (MCP) server while minimizing context window usage through on-demand tool discovery.

The Universal MCP Client skill empowers Claude to interact with diverse external services—including Playwright, GitHub, and local filesystems—without overwhelming the context window with complex tool definitions. By using a progressive disclosure approach, it lists available servers and queries specific tool schemas only when needed. It includes critical optimizations for browser automation, providing a robust solution for multi-step Playwright workflows where session persistence is required to handle cookie banners, logins, and complex navigation within a single execution block.

Key Features

01On-demand tool schema querying and JSON-based execution

020 GitHub stars

03Universal connectivity to any MCP-compatible server

04Support for multiple configuration paths including .mcp.json and environment variables

05Persistent browser session support via browser_run_code for Playwright

06Progressive tool disclosure to prevent context window bloat

Use Cases

01Automating multi-step web testing scenarios that require session persistence for logins or cookie handling

02Interacting with external APIs and services via MCP without exhausting token limits

03Dynamically discovering and executing tools from custom-built MCP servers during development

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add cristian-robert/autonomous-automation-tester mcp-client

For use in Claude.ai and ChatGPT

Download Skill