# celestino.ai

> AI digital twin of Celestino Salim — an interactive conversational interface where you can ask questions about his engineering work, AI systems expertise, and professional background.

## Main

- [Chat](https://celestino.ai): Interactive AI chat interface powered by RAG retrieval over Celestino's published content, projects, and experience.

## Features

- [Voice Mode](https://celestino.ai): Real-time voice conversation with the AI twin via LiveKit WebRTC — low-latency, natural turn-taking.
- [Text Chat](https://celestino.ai): Standard text-based conversation with streaming responses and source citations.

## About the Person

- [About Celestino](https://celestinosalim.com/about): Background, experience, and engineering philosophy.
- [Blog](https://celestinosalim.com/blog): Technical writing on AI systems, RAG, evals, and voice interfaces.
- [Courses](https://celestinosalim.com/learn): Free AI education — 8 courses, 53 lessons covering foundations to production.
- [Services](https://celestinosalim.com/services): AI consulting, audits, and industry-specific automation.
- [Projects](https://celestinosalim.com/work): Portfolio of AI engineering projects and experiments.

## Technical

- [Portfolio Site](https://celestinosalim.com): Full personal brand hub with all content, courses, and services.
- [Portfolio LLMs.txt](https://celestinosalim.com/llms.txt): Structured content index for the portfolio site.
- [Portfolio Full Content](https://celestinosalim.com/llms-full.txt): Complete aggregated plaintext content from the portfolio.

## Optional

- [Contact](https://celestinosalim.com/contact): Get in touch for consulting, partnerships, or questions.
- [LinkedIn](https://www.linkedin.com/in/celestinosalim/): Professional profile.
- [GitHub](https://github.com/celestinosalim): Open-source projects and code.