What's new in Sigma - October 2, 2026

This week, we push Sigma Assistant and Sigma agents to general availability, as well as introducing new functionality for enforcing security on Cortex Agent passtrhough. Chat history can be stored in Sigma or customer owned buckets, and Sigma agents are now available through the MCP server! AI ♻️ Assistant in build mode: reuse data model metrics (click for more details) ☎️ Call Sigma agents from the Sigma MCP server (click for more details) 💽 Chat history with customer-owned storage (click for more details) 🧋 MCP connectors for Sigma agents (GA) (click for more details) 💸 New models used for A