INSIDE THE CRAWLER ENGINE

Engineering & Systems Blog

Q: Does FlyCrawl require KYC or identity verification?

No. FlyCrawl is 100% No-KYC. Developers can create an account and pay anonymously using USDT (TRC-20), TON, or TRX with instant on-chain confirmation and zero identity disclosure.

Q: How does FlyCrawl compare to Firecrawl in speed and pricing?

FlyCrawl is up to 80% more affordable ($0.39 to $0.96 per 1,000 pages vs $5.33 per 1,000 pages on Firecrawl) and engineered with a zero-memory-leak Go and .NET 10 core that extracts pages in under 400ms.

Q: Does FlyCrawl generate vector embeddings directly?

Yes! FlyCrawl includes an in-memory high-dimensional vector engine generating 1536-dimensional (Fast) and 3072-dimensional (Large) embeddings directly from scraped Markdown, ready for Pinecone, Qdrant, and Milvus.

Q: Can I connect FlyCrawl to Cursor IDE, Windsurf, or Claude Desktop?

Yes! FlyCrawl hosts a native Model Context Protocol (MCP) server at /api/v1/mcp enabling AI coding agents to crawl, search, and ingest web knowledge seamlessly.

First-principles breakdowns of high-concurrency scraping, memory management, and AI data engineering.

SYSTEMS ARCHITECTURE Aug 25, 2026 • 6 min read

How We Crawled 70,000 Industrial Websites Without Leaking a Single Megabyte of RAM

Why standard Playwright/Node crawlers fail under continuous heavy workloads, and how Go routine isolation + custom GC recycling solved the problem.

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AI & RAG DATA Aug 22, 2026 • 5 min read

Why Raw HTML Destroys RAG Embeddings (and How Fit-Markdown Cuts 90% Noise)

A deep dive into cosine similarity pollution caused by CSS classes, navigation scripts, and cookie banners in modern vector databases.

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