An Anthropic engineer explains why he earns $350K–$950K: “I know how to build harnesses. 99% of people still build multi-agent systems manually and wonder why they keep breaking. I build systems that run loops, use sandboxed tools, and turn yesterday’s logs into new skills. Same model. 10x more reliable agents that improve while you sleep.” Opus 5.5 → Agents → Harnesses → Loops → Graphs In a short workshop, he breaks down how to build one from scratch: Step 1 → Manage loops, context, and sandboxing through a harness Step 2 → Separate the brain from the tools to reach the first token 60% faster Step 3 → Run agents server-side and recover from crashes using logs Step 4 → Make failures recoverable with retries and replays instead of starting over Step 5 → Turn past execution logs into new memories so the system gets smarter over time Anthropic calls this process “dreaming.” Most developers spend weeks building these systems manually. This workshop shows you a faster way. Bookmark this and watch it.

The ghost, the phone call, the stolen product — the concept is yours. 🎃👻 With CapCut Web × ChatGPT, you can install the CapCut plugin and use natural-language instructions to help shape your Halloween marketing video from your own footage. Let AI assist with the first cut, then make the creative calls yourself: what to keep, where the suspense builds, how the product appears, and when the final twist lands. AI helps with execution. You bring the story. #CapCutDidThat #CapCutWeb #ChatGPT #CapCutWorld

SpaceXAI just released a free 33-minute course on building a complete Grok Bot harness from the ground up: 0% → 0:52 - understand the fundamentals of a Grok Bot harness 15% → 3:21 - create specialized agents for different tasks 30% → 5:42 - build an agent that tracks webinars and X 50% → 8:23 - put repetitive workflows on autopilot 65% → 11:43 - share agents across your team 80% → 18:15 - connect research and outreach agents 100% → 24:28 - turn an RFP into an estimate in 30 seconds instead of 2 hours Most people still rely on a single chatbot for every task. Harness engineering flips that approach. Instead of one AI doing everything, you build specialized agents with dedicated tools, workflows, and memory that work with minimal supervision. One company reportedly increased its pipeline by 140% in just one month using this approach. Watch the course to see the system in action and learn how to apply it to your own workflows.