5 Oct 2026
GPT-6 Astra Is Only the Brain. 6 Free Repos Build the Rest
GPT-6 Astra can do anything you can do on a computer. But the model is only the brain.
Links from this video
- LangGraphgithub.com/langchain-ai/langgraphMIT — keeps long-running agents alive; after a failure it resumes from exactly where it left off
- smolagents (Hugging Face)github.com/huggingface/smolagentsApache-2.0 — its CodeAgent writes its actions as code; the core agent logic fits in about 1,000 lines
- Composiogithub.com/ComposioHQ/composioMIT — 1000+ pre-authenticated toolkits for your agent (API key from the Composio dashboard)
- MCP Serversgithub.com/modelcontextprotocol/serversthe official reference implementations of MCP (the repo calls them educational examples, not production-ready)
- E2Bgithub.com/e2b-dev/E2BApache-2.0 — runs the code your AI writes in a secure, isolated sandbox in the cloud
- AgentOpsgithub.com/AgentOps-AI/agentopsMIT — step-by-step replays of every agent run and LLM cost tracking