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
Defending Public Web Data: Concepts, Use Cases, and Production Considerations
Responsible public-web research protects both access and the people behind the data. This framework turns that principle into collection controls.
Autonomous Agents and the Data Access Problem
An architecture guide to the data access problem in autonomous agents, including tool schemas, safety controls, and quality metrics.
OSINT Social Media Scraping: A Guide to Public-Source Research
A responsible social media OSINT workflow focused on authorized sources, platform rules, provenance, privacy, and careful interpretation of public content.
Job Scraping: A Guide to Collecting Public Job Market Data
A practical guide to job scraping for market research and workforce analysis. Learn how to choose permitted sources, normalize postings, and validate a recurring dataset.
Giving Your AI Agent Real-Time Web Access with Crawl API
Connect an AI agent to a page-reading Crawl tool with OpenAI function calling, URL validation, source citations, caching rules, and safe error handling. It distinguishes query-time retrieval from cached or scheduled data and explains when each is appropriate.
How to Keep Your RAG Knowledge Base Up to Date Automatically
Learn how to schedule RAG refreshes safely using URL manifests, content hashes, page-level status, incremental embeddings, and vector replacement checks. It also covers safe deletion handling, retries, freshness metrics, and recovery.
Python Cloudscraper: What It Does and Responsible Alternatives
Understand Cloudscraper’s Requests-like API, its documented scope and release history, and responsible alternatives for permitted static pages, browser rendering, and crawl workflows.
Steam Scraper Tutorial: How to Collect Public Game Store Data
Build a game-data importer and a documented news API path. Preserve region, currency, and price states while checking interface permissions separately.
10 Best Email Scrapers for Public Business Contact Research
Compare extraction, discovery, databases, and verification for public business-contact research. Includes a locally checked role-mailbox parser and source controls.
