AI Agent Security, Open-Source Code Generation, and Frontier Models on Bedrock

OpenAI's GPT-5.5 and Codex are now generally available on Amazon Bedrock, providing developers with advanced frontier models. Additionally, Xiaomi has open-sourced MiMo Code, a comprehensive MLOps platform. In security, SkillSpector has been introduced as a vendor-backed scanner for AI agent skills. Meanwhile, Anthropic addressed issues regarding hidden guardrails within Claude Fable 5. These updates collectively enhance the tools available for building, securing, and deploying applied AI solutions across various development platforms.