Best Customer Support Software in 2026

Customer support converges on one bet: agentic AI as the default first responder, increasingly driven over MCP.

The single most important move in support this week is architectural, and it shows up across vendors at once: the AI agent is being repositioned from a classifier that hands off to a human into the default first responder that searches, reasons, and acts. Plain is the clearest example — it re-architected Ari from a rigid classify-and-handoff workflow into an…