[Release] openai/openai-agents-python v0.17.6: v0.17.6

OpenAI Agents Python SDK v0.17.6 introduces pre-approval tool input guardrails and SDK-only custom data for tool outputs, enhancing security and flexibility. The release includes a strict JSON-compatible contract enforcement for tool outputs and fixes whitespace warnings in handoff tool names. This update improves the developer experience with better validation and cleaner logging.

Key Points

• •Pre-approval tool input guardrails added to validate and secure tool inputs before execution
• •SDK-only custom data support for tool outputs enables flexible output handling without server-side changes
• •Strict JSON-compatible contract enforced for tool outputs to ensure data consistency and compatibility
• •Handoff whitespace tool-name warnings suppressed to reduce noise in logs and improve clarity
• •Documentation improvements including sandbox guide typo fixes for better developer onboarding
• •Enhanced tool validation pipeline with input guardrails for safer agent execution
• •Backward compatibility maintained while adding new validation and data handling features

Workflow Diagram

Concepts