Marcus Chen
Product & Network Architect
Marcus Chen is a Product & Network Architect at Nstdata with deep expertise in proxy infrastructure, network engineering, and web data acquisition. He specializes in designing scalable residential, ISP, mobile, and datacenter proxy solutions that enable reliable access to global web resources. His articles focus on proxy technologies, network optimization, cybersecurity, and large-scale scraping architecture.
All Articles
9 LLM Observability Platforms for Tracing, Evals, and RAG
LLM observability must cover retrieval and tools as well as model calls. This guide compares nine platforms by trace coverage, evaluation workflow, standards, deployment, and operational correlation.
8 Best OpenCode Skills for More Reliable Coding Agents
The strongest OpenCode Skills make agent behavior more testable, not merely more verbose. This guide ranks eight process, framework, review, browser, and research workflows using consistent operational criteria.
How to Build MCP Servers With FastMCP (With a Real Crawl-Backed Tool)
A hands-on FastMCP tutorial: install the library, build a minimal tool server, then wire a real tool to the Nstdata Crawl API so an MCP client can turn any URL into clean Markdown.
What Is Automated Data Collection? A Practical Guide
Automated data collection gathers data via software, sensors, APIs, and crawlers with minimal manual work. Learn how it works, its types, and its real limits.
How to Build an Automated Competitor Price Monitoring System 2026
Build a real automated competitor price monitoring pipeline — fetch, extract, normalize, store, detect changes, and alert — verified with an actual executed run and a genuine price-drop alert.
How to Scrape Job Boards with OpenAI's Agent Tools
OpenAI's Operator is gone and ChatGPT agent followed it into retirement. Here's how to actually build a job-board scraper today with the computer-use tool, when to skip it for a public ATS feed, and how to stay legally sound.
BeautifulSoup vs Scrapy: How to Choose the Right Tool
Compare BeautifulSoup and Scrapy for Python web scraping: architecture, performance, features, and a decision guide backed by live code and verified sources.
5 Best Low-Code AI Workflow Automation Tools for 2026
A practical comparison of Zapier, Make, n8n, Power Automate, and Gumloop by pricing unit, operating model, and AI depth.
How to Use Axios with Proxies: 2026 Complete Guide
Use Axios with proxies through five tested Node.js methods covering authentication, environment settings, deterministic rotation, custom Agents, and troubleshooting.
