Sierra Introduces Ghostwriter for AI Agent Development
Originally published Mar 25, 2026
AI-generated summary based on Sierra — Blog · Aggregated by OffScreenSpace · Human-reviewed and approved on Jun 2, 2026
Key points
- Sierra introduces Ghostwriter, an AI-powered tool that automates the creation and improvement of customer experience agents.
- Ghostwriter eliminates the need for manual configuration by using user input, documentation, and customer interactions to build agents.
- The tool is supported by the agent harness, a robust infrastructure that enables testing and validation in a secure environment.
- Sierra envisions a future where traditional web apps are replaced by agent-driven interfaces that respond directly to user prompts.
- Ghostwriter is part of Sierra's ongoing effort to adapt to evolving AI technologies like Codex and Claude Code.
Sierra, a leading platform for customer experience AI agents, has announced Ghostwriter, an innovative tool designed to streamline the creation and optimization of AI agents. The company, which works with major brands like ADT, Nordstrom, and Cigna, aims to simplify agent development by allowing users to describe their needs in plain language or upload documentation, rather than manually coding or configuring. Ghostwriter automatically builds and improves agents across multiple channels and languages, supported by a robust infrastructure known as the agent harness. The tool is part of Sierra's broader vision to shift from traditional web apps to a more intuitive, agent-driven interface.
Read the original story: Sierra — Blog