# crisfon6.com

> Personal site and AI automation portfolio of Cristhian Fonseca — Technical Lead & AI Builder.

## About

Cristhian Fonseca is a Technical Lead who builds FinTech products serving millions of users and publishes open-source AI automation blueprints. He specializes in AWS cloud architecture (CDK, Lambda, serverless), Claude API integrations, MCP agents, and full-stack TypeScript/Python development.

## Newsletter: PowerAI

A free weekly newsletter with production-ready AI automation templates. Each issue includes architecture diagrams, deployment guides, cost breakdowns, and working code.

- [Subscribe](https://crisfon6.com/newsletter)

## Blog Posts

- [Agent Teams with Claude: Orchestrators, Specialists, and Real Results](https://crisfon6.com/blog/agent-teams-claude-sdk): How to build multi-agent systems where specialized Claude agents collaborate on complex tasks — with TypeScript code, cost tables, and a production example.
- [The $12/mo Document Processor: Claude API + Lambda + S3](https://crisfon6.com/blog/ai-document-processor): Step-by-step breakdown of my AI-powered document processing pipeline. Architecture diagram, full stack, cost analysis, and deployment guide.

## Key Pages

- [Home](https://crisfon6.com/): Overview, featured projects, and stats
- [About](https://crisfon6.com/about): Background, experience, and tech stack
- [Projects](https://crisfon6.com/projects): FinTech and AI projects portfolio
- [Automations](https://crisfon6.com/automations): AI automation templates with costs
- [Blog](https://crisfon6.com/blog): Technical articles and tutorials
- [Newsletter](https://crisfon6.com/newsletter): Weekly AI automation blueprints

## Contact

- Email: crisfon6@crisfon6.com
- LinkedIn: https://www.linkedin.com/in/crisfon6/
- GitHub: https://github.com/Crisfon6-dev

## Full Content

For the complete text content of all blog posts, see [/llms-full.txt](https://crisfon6.com/llms-full.txt).