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Mika surpassed 2,000 GitHub stars less than 48 hours after going open source. It is a local AI phone agent that runs on Android phones, can control any app and webpage to complete tasks automatically, and has added capabilities such as self-learning and MCP support.
Mika has been officially open-sourced — it's a Phone Agent that runs directly on Android phones, capable of automatically executing tasks in the background via ADB + Accessibility permissions, without the need for Root or a computer. Its speed is claimed to far exceed that of Computer Use.
The author built a phone agent using Twilio and OpenAI Realtime to flag missed callbacks for small businesses, detailing setup, costs, and fixes for issues like incorrect number readback.
Explains an AI agent phone as a real or cloud-hosted phone operated by an LLM agent that interacts with mobile-only apps via accessibility tree and vision, highlighting limitations and calling for community input on reliability.