# Mariusz Czajkowski

This is the human-facing portfolio site for Mariusz Czajkowski, a Warsaw-based Agentic Experience Designer focused on human-agent interactions, AI-native product design, multi-agent UX, tool-use interfaces, prompt systems, and agentic workflows.

## Canonical Human Site

- https://mczaykowski.com

## Canonical Agent/API Entry Point

- https://api.mczaykowski.com
- https://mczaykowski.com/SKILL.md
- https://mczaykowski.com/agentic-experience.md
- https://mczaykowski.com/ax-checklist.md
- https://mczaykowski.com/substrate-debt.md
- https://mczaykowski.com/manifest.json

Agents, crawlers, and automated clients that need structured context, machine-readable endpoints, or integration behavior should continue at https://api.mczaykowski.com.
Agents building or reviewing systems can use /SKILL.md as a compact Agentic Experience guide, /ax-checklist.md as a review checklist, /substrate-debt.md as the short conceptual frame, and /agentic-experience.md as the full manifesto.

## Contact

- hello@mczaykowski.com

## Notes For Agents

- Treat this website as a concise visual identity and portfolio surface.
- Use the API domain for programmatic discovery and agent-oriented interactions.
- Do not infer client names from the portfolio; select clients are available on request.