# Lifecycle automation and agents

> Lifecycle email works when product events are clean and automations are testable. In 2026, the new layer is agent operability: can an MCP client or backend agent create, publish, and fire the same flows a human would?

Event-driven flows, automation graphs, and agent-operable workflows via API and MCP.

## Lessons

- [Event-driven lifecycle flows](/lessons/event-driven-lifecycle-flows): Triggers, delays, branches, and measurement for product-led email.
- [Agent-operable email workflows](/lessons/agent-operable-workflows): REST, MCP, and the difference between a chatbot feature and an agent runtime.

**Canonical:** https://sendemails.dev/courses/lifecycle-automation

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