Your AI hub in Your Pocket: The Story Behind ToolNeuron
For years now, we’ve been told that powerful AI requires powerful servers. That to use it, we must surrender our data to the cloud. But what if that story’s ending is changing? What if the future of intelligence isn’t centralized, it’s personal and local?
That’s the challenge ToolNeuron is taking on — an active project built by a young developer who believes privacy and performance don’t have to be enemies.
I recently sat down and had a talk with Siddhesh, an Android and AI developer, and what I found was more than just a clever app. It is a vision for a new kind of AI future: local, private, and completely user-controlled.
From Curiosity to Creation
Siddhesh didn’t take the traditional path into AI. He started tinkering with Android development at 14 — self-taught, driven by curiosity, and fueled by trial and error. That experimentation evolved this past year into a deep interest in artificial intelligence, specifically Edge AI.
Edge AI is the process of running artificial intelligence algorithms directly on a local device at the “edge” of a network, rather than sending data to a remote cloud server for processing.
Now, while pursuing a Diploma in Computer Software Engineering, he’s building ToolNeuron, a personal AI hub designed to put users — not corporations — in control of their data. What began as a side project became a mission: to make AI both private and accessible for everyone.
“Your data is going to train a lot of AI models,” Siddhesh told me. “You don’t want other people knowing what’s going on in your life.”
What Is ToolNeuron? Your AI Hub in Your Pocket
At its core, ToolNeuron is an Android app that lets you run language models directly on your device — no cloud connection required. It’s like having your own private ChatGPT that you can fully customize, extend, and use offline.
Built with llama.cpp, native C++, Kotlin, and a sleek UI using Jetpack Compose, it’s designed to make edge AI both powerful and practical. The privacy-first philosophy means your data stays exactly where it belongs: with you.
Key Features
Dual Mode Operation
Run models fully offline or access 100+ online ones using OpenRouter’s API. Offline for privacy. Online for flexibility.
Voice Integration
Supports text-to-speech (TTS) and speech-to-text (STT) entirely offline, powered by Sherpa-ONNX. Eleven built-in voices. No internet.
DataHub: Extend Knowledge Without Retraining
Attach dynamic datasets to expand what the AI “knows.” Think local modular RAG.
Plugin System & Extensibility
Community-built plugins for web search, automation, and daily tasks. A future marketplace is planned.
Fluid Model Switching
Switch models mid-conversation without losing context — general assistant to coding model instantly.
Why ToolNeuron Matters
We’ve traded privacy for convenience for years. Smarter AI in exchange for more data surrender.
ToolNeuron flips that trade-off.
Running AI locally means your assistant is truly yours. You decide what it learns, what it accesses, and where data goes — if anywhere.
This is digital sovereignty.
Yes, on-device AI has limits. Large models strain mobile hardware. But mobile chips are accelerating fast. ToolNeuron already proves this future works today in early form. CPU-only for now on Android, with GPU support planned.
The project is open-source and evolving fast.
The Bigger Picture: Local AI and the Future of Privacy
ToolNeuron reflects a broader shift: from centralized intelligence to personal computing.
Local assistants. Edge inference. User-driven ecosystems.
Open-source keeps it collaborative and transparent.
Meanwhile, big tech pushes “on-device” AI with quiet hybrid pipelines:
Google’s AI Edge Gallery
https://github.com/google-ai-edge/gallery
Microsoft’s Mu models on Copilot+ PCs
https://blogs.windows.com/windowsexperience/2025/06/23/introducing-mu-language-model-and-how-it-enabled-the-agent-in-windows-settings/
Local models — but telemetry still flows upstream.
True privacy means no silent data dependencies.
A New Wave of AI Independence
ToolNeuron isn’t disruption for hype. It’s empowerment.
Giving everyday users the autonomy over AI that corporations have hoarded for years.
The roadmap includes desktop companions, cross-device sync, and multimodal models — but the principle never changes:
AI that belongs to you.
What happens when our digital assistants stop living in the cloud and start living with us?
Links
Website:
https://tool-neuron.vercel.app/
GitHub:
https://github.com/Siddhesh2377/ToolNeuron
Early Access Signup:
https://tool-neuron.vercel.app/signup.html