5OpenAI Release Notes·
OpenAI Agents SDK updated with TypeScript support and open-source harness
OpenAI has released an updated version of its Agents SDK with TypeScript support, adding sandbox agent capabilities and a built-in open-source harness. The update expands the SDK's language coverage beyond Python and lowers the barrier for TypeScript-based agent development. This is a steady-state ecosystem tooling update from a tier-1 source.
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Related events (8)
The next evolution of the Agents SDK
OpenAI has updated its Agents SDK with native sandbox execution and a model-native harness, enabling developers to build secure, long-running agents that operate across files and tools. The update targets production-grade agentic workflows by providing safer code execution environments and tighter integration with OpenAI models. This represents a continued push by OpenAI to mature its developer tooling for autonomous agent deployment.
OpenAI Agents SDK updated with sandbox execution, harness customization, and memory controls
OpenAI released an update to its Agents SDK adding three capabilities: running agents in controlled sandboxes, inspecting and customizing the open-source agent harness, and controlling when and where memories are created and stored. The sandbox and memory-control additions are particularly relevant for production agent deployments requiring isolation and state management. This is a tier-1 announcement from OpenAI's official release notes.
oh-my-openagent: TypeScript Agent Harness (formerly oh-my-opencode)
oh-my-openagent (omo) is a TypeScript-based agent harness project on GitHub, previously known as oh-my-opencode. The repository has accumulated 58,729 stars with 180 new stars today, indicating significant community traction. The rename from 'opencode' to 'openagent' suggests a broadening scope beyond code-focused tasks toward general agent capabilities.
New Tools for Building Agents
OpenAI announced new tools aimed at developers building AI agents, published on March 11, 2025. The announcement comes from OpenAI's official blog, signaling a continued push to expand the agent-building ecosystem. Specific tools and capabilities were not detailed in the provided body text, but the source and framing indicate a product/tooling release targeting the agentic development workflow.
craft-agents-oss: TypeScript agent framework trending on GitHub
craft-agents-oss is a TypeScript-based open-source agent framework that has accumulated 6,468 GitHub stars with 80 new stars in a single day. The repository is trending in the AI/agent tooling space. No detailed technical description is available from the source snippet.
License to Call: Introducing Transformers Agents 2.0
Hugging Face announced Transformers Agents 2.0, a major update to their agent framework built on top of the Transformers library. The release introduces new abstractions for tool use, multi-step reasoning, and agent orchestration, positioning it as a production-ready framework for building AI agents. The update reflects growing ecosystem investment in standardized agent tooling patterns.
OpenAI Introduces AgentKit, Expanded Evals, and Reinforcement Fine-Tuning for Agents
OpenAI has released a suite of developer tools aimed at accelerating agent development from prototype to production. The release includes AgentKit (a new agent-building framework), expanded evaluation capabilities, and reinforcement fine-tuning (RFT) specifically designed for agentic use cases. These tools represent OpenAI's continued push to provide end-to-end infrastructure for building and deploying AI agents at scale.
Microsoft agent-framework: open-source library for building and orchestrating AI agents
Microsoft has published an open-source framework on GitHub for building, orchestrating, and deploying AI agents and multi-agent workflows, with support for both Python and .NET. The repository has accumulated 11,061 stars. It represents Microsoft's entry into the agent harness tooling space alongside existing frameworks like LangChain and AutoGen.