Cline SDK - Open-source TypeScript agent runtime powering Cline across IDE, CLI, and Kanban; a reusable harness with plugins, MCP, and scheduling.

LangChain deepagents - Opinionated long-horizon agent harness on LangGraph with planning, sub-agents, a filesystem, and a sandboxed shell out of the box.

RF-DETR - Roboflow's real-time transformer for object detection and instance segmentation; SOTA on COCO and integrated with Hugging Face.

Weaviate MCP Server - MCP server built into the Weaviate database so coding agents can ingest a repo and use hybrid BM25 + vector retrieval.

Lemonade - Local LLM/AI serving SDK optimized for AMD Ryzen AI/Radeon GPUs and NPUs, with OpenAI/Ollama/Anthropic-compatible APIs.

Petri - Anthropic's open-source auditing tool for interactive automated behavioral evals of LLMs via paired auditor + judge agents.

Stainless - Generates typed client SDKs and code-mode MCP servers directly from your OpenAPI spec.