Top SUBAGENTS GitHub Repositories & Tools (2026)

Asynchronous Pi subagents and agent fleet orchestration for parallel coding agents with nested delegation, background work, and supervision in herdr.

Your Company Agentic Operating System

Open Python agent runtime and harness for production AI applications, with an SDK for governed tools, durable runs, sandboxes, budgets, execution evidence, and evaluation integrations.

Metis is a coding agent that boosts AI/LLM coding performance by 50%

Kether-governed AI agent orchestration with Pi/MCP, isolated workers, LSP tools, and a portable Windows/WSL2 installer

Development workflows for Claude Code that keep broad exploration focused on the outcome you approved.