Agentic eval development with the Braintrust CLI

The Braintrust CLI (bt) facilitates a streamlined workflow for debugging evaluation failures by allowing coding agents to handle tasks typically requiring human intervention, such as hypothesis formation, targeted edits, and result verification. By integrating coding agents like Claude Code with the CLI, the debugging process becomes more efficient, as agents can execute commands, interpret structured JSON output, and propose fixes without needing additional integration. The CLI's commands, such as `bt eval` for running evaluations and `bt view logs` or `bt sql` for inspecting results, empower agents to analyze and address failures quickly by identifying patterns and suggesting changes. This integration turns evaluations into actionable development processes, where agents can iteratively refine code, analyze low-scoring cases, and implement fixes directly within the terminal. The setup process, facilitated by `bt setup`, ensures that agents can operate natively with Braintrust context, enabling seamless transitions between evaluation, analysis, and code adjustment, ultimately enhancing the efficiency and effectiveness of debugging workflows.

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