lucasbittencourt.dev valid
Lucas Bittencourt
Lucas Bittencourt is a software engineer focused on AI who builds AI and agent systems for production, works as an AI Forward Deployed Engineer and builds tools such as AI Summarizer. This website is the portfolio and technical blog of Lucas Bittencourt, in English and Brazilian Portuguese.
- Authority
- 46 reach 0 · trust 10 · quality 21 · freshness 15
- Tier
- listed
- llms.txt
- https://lucasbittencourt.dev/llms.txt
- Sections
- 7
- Links
- 29
- Size
- 5481 bytes
- Registered
- 2020-06-29
- Country
- United States Hosting inference
- Hosting country
- United States Hosting inference
- Country evidence
- No published address evidence collected yet
- For agents
- Interface: a documented API or declared MCP endpoint an agent can call
- First seen
- 2026-10-25T04:54:07.980Z
- Last checked
- 2026-10-25T04:54:09.240Z
- Badge
Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-25T04:54:07.988Z. Cached copy · Source on lucasbittencourt.dev
# Lucas Bittencourt
> Lucas Bittencourt is a software engineer focused on AI who builds AI and agent systems for production, works as an AI Forward Deployed Engineer and builds tools such as AI Summarizer. This website is the portfolio and technical blog of Lucas Bittencourt, in English and Brazilian Portuguese.
## About
- [Home](https://lucasbittencourt.dev): who Lucas Bittencourt is and the latest blog posts
- [GitHub](https://github.com/lucasgdb): open source repositories
- [LinkedIn](https://linkedin.com/in/lucas-bittencourt): professional profile and experience
## Blog posts
- [Self-hosting at home: ports, firewall, reverse proxy and DNS](https://lucasbittencourt.dev/blog/self-hosting-at-home): A step-by-step guide to publishing an app from your own computer on the internet with your domain: public and private IPs, NAT, CGNAT, ports, firewall, Docker Compose, Nginx as a reverse proxy, DNS and HTTPS with Let's Encrypt, with commands for Linux, macOS and Windows and how to test each step.
- [Big-O notation](https://lucasbittencourt.dev/blog/big-o-notation): Learn what Big-O notation is, the difference between time and space complexity, the most common complexities from O(1) to O(n!), and how to analyze the complexity of your own code.
- [NodeJS event loop](https://lucasbittencourt.dev/blog/nodejs-event-loop): Learn how Node.js really works: the main thread, the libuv thread pool, the event loop phases, microtasks, how to avoid blocking the event loop, and when to use worker_threads, child_process, cluster or containers to scale.
- [Modern JavaScript](https://lucasbittencourt.dev/blog/modern-javascript): Learn modern JavaScript concepts like optional chaining, rest - spread - nullish coalescing operators, immutable array methods, Object.groupBy, Set methods, iterator helpers, structuredClone and much more.
- [React Performance](https://lucasbittencourt.dev/blog/react-performance): Learn how React renders, memoization, referential equality, the React Compiler, memo - useMemo - useCallback, why the key property matters, avoiding derived states and effects, transitions, code splitting and Server Components.
## Services
- [Services](https://lucasbittencourt.dev/services): AI Forward Deployed Engineer services, hourly or per project ([em português](https://lucasbittencourt.dev/pt-br/services))
## Tools
- [AI Summarizer](https://lucasbittencourt.dev/tool/ai-summarizer): Summarizes, with AI, only the part of a page or PDF you pick, reads it aloud or turns it into a video, and fills in forms. [Privacy policy](https://lucasbittencourt.dev/tool/ai-summarizer/privacy)
- [Video Downloader](https://lucasbittencourt.dev/tool/video-downloader): Finds the videos on a page, files and HLS or DASH streams, and downloads them inside the browser. [Privacy policy](https://lucasbittencourt.dev/tool/video-downloader/privacy) · [EULA](https://lucasbittencourt.dev/tool/video-downloader/eula)
## MCP server
- [MCP server](https://lucasbittencourt.dev/mcp): how
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