First Look: Google Launches Gemini Spark Agentic Assistant on Mac with File and App Access

Forensic Summary

Google has expanded Gemini Spark to macOS, giving the agentic assistant access to local files, third-party app integrations (including Dropbox, Canva, and Instacart), custom MCP connections, and real-time topic monitoring. This substantially widens the attack surface for enterprise defenders, as a compromised or manipulated Spark agent gains a foothold across local file systems, cloud workspaces, and external service APIs simultaneously. The addition of custom Model Context Protocol support is particularly concerning, as it allows arbitrary third-party tool connections with unclear trust boundaries and permission scoping.

Read the full technical deep-dive on Grid the Grey: https://gridthegrey.com/posts/first-look-google-launches-gemini-spark-agentic-assistant-on-mac-with-file-and/