denkr.ai - Local-First AI Companion
Private local-first mobile AI project focused on long-term, consistent assistant experience.

Project Overview
denkr.ai was built by me in my free time as a personal project. The starting point was my fascination with OpenClaw (by Peter) and a simple question: how can this kind of assistant experience become usable not only for technical people, but also for my mom, family, and friends with no technical background.
I wanted to build something that does not feel like a standard chatbot, but like a reliable companion inside the phone: controlled personality, long-term memory, notebooks, skills, tool routing, web search, YouTube search/transcription, session management, and compaction for long-running conversations. It also includes an MCP direction, API/tool-connection possibilities, and multiple LLM providers so behavior can stay useful and stable across different tasks.
Since ChatGPT became public, I have tested almost every major AI chat product. Because of that, my bar for denkr was high: it had to feel more personal, more consistent, and more human than a typical prompt-response interface. Even now, using it daily still surprises me, and that is exactly the product quality I was aiming for.
This is also important: denkr.ai is not a startup pitch and not a monetization project. I built it alone in my free time, it is free to use, and I plan to keep it free. I made it for myself, my family, my friends, and anyone who wants to use it. My 1–2 year goal is to run a strong open-source model directly on the phone and move toward a truly 100% private local agent experience.
Technologies Used
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!Challenges
- Maintaining assistant behavior consistency across many sessions
- Creating a controlled assistant personality without generic responses
- Building useful long-term memory without context overload
- Balancing local-first data flows with multiple LLM providers
✓Solutions
- Session management and compaction techniques for stable long-term usage
- Notebooks, skills, and tool routing for structured assistant tasks
- Web search and provider routing based on request context
- Controlled personality and response logic focused on reliability
Outcomes & Successes
Android APK available and actively used privately
Long-term memory, notebooks, and skills validated as core building blocks
Multiple LLM providers integrated with routing
Strong learning ground for conversational UX and product logic in AI systems