OpenContracts

An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.

📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG

OpenSquilla — Token-Efficient AI Agent with same budget, higher intelligence density

Nexent is a zero-code platform for auto-generating production-grade AI agents using Harness Engineering principles — unified tools, skills, memory, and orchestration with built-in constraints, feedback loops, and control planes.