# Sierra redesigns Agent Studio around its Ghostwriter agent-building assistant

> Original title: Redesigning Agent Studio around Ghostwriter

- Source: Sierra Blog
- Published: 2026-11-02T19:37:48.000Z
- Bad Influence: https://badinfluence.news/items/bgpg3981yburpxskpjvz56m34
- Original: https://sierra.ai/blog/redesigning-agent-studio-around-ghostwriter

## Summary

Sierra says it has redesigned Agent Studio around Ghostwriter, an always-on agent that helps build and improve customer service agents. Users can investigate performance, update journeys, and test fixes in one conversation, with changes held in sessions until a team member reviews and merges them.