Sierra announced on November 2, 2026 that it had redesigned Agent Studio around Ghostwriter, its agent-building agent, bringing investigation, journey editing and testing into one conversation. Evidence, proposed changes and test results remain together so teams can review them before anything goes live. Previously, users had to move between different parts of Agent Studio to edit journeys, run simulations and review performance. The new workflow allows a user to ask why resolution rates…
Read the original at Unite.AI: Sierra Puts Ghostwriter at the Center of Agent Studio Workflows
How OpenSmartRoute helps
The router treats agents, tools and skills as targets in the same catalogue as models. An MCP tool or an A2A agent is one entry; the router picks it when it fits the request and learns from how it performs. The same guard and resource limits apply to a tool's arguments as to a prompt.
For a team that routes through the router, a release like this is one catalogue entry. The new model competes on the next request against what the team already runs, on quality, cost and speed. If it answers well it earns more traffic; if it fails it gets less, with no code change in the app.