A developer's deep dive into Google's Gemini Spark — the 24/7 autonomous personal agent announced at I/O 2026 — covering the model layer, MCP integration, runtime, pricing, and what to build.

Announced at Google I/O 2026, Spark is Google's most ambitious Gemini feature yet—a personal AI agent that manages just about everything.

Google is introducing a range of new AI tools, including an AI assistant called Gemini Spark, which proactively performs tasks for users.