Google's team just dropped a 9-page PDF on Harness Engineering - one formula replaced prompt engineering:
the twist: same Claude Sonnet, same benchmark - change only the harness
the formula: Agent = Model + Harness
here's the playbook in 6 steps:
step 1 → add guides - AGENTS.md, rule files, constraint docs - each line is a past agent failure turned into a permanent fix
step 2 → add sensors - linters, tests, validation scripts the agent runs on its own output before a human sees it
step 3 → build the agentic loop - plan, execute, verify, fix - bounded retries, budget caps, escalation when stuck
step 4 → externalize memory - the model forgets every session. the harness remembers state, decisions, and artifacts across all of them
step 5 → enforce permissions - which tools, how many writes, what needs approval. the model doesn't enforce safety. the harness does
step 6 → wire observability - track every tool call, cost, retry. trip wires fire when behavior drifts
the result: your agent stops being a demo and starts being infrastructure - every failure makes the system permanently better, not just the next conversation
this 9-page PDF is what comes after prompt engineering and context engineering
bookmark and build the full system from the article below ↓
Manus just blessed me AGAIN
They saw how quickly we ran through the first 100 community codes… so they gave me 500 more….
If you missed out on the first round, here’s your chance:
1. Retweet this post
2. Follow
3. DM me “MANUS”
If you got the access code in the first round, reply with what you cooked up so far!
Manus is absolutely next level. I literally maxed out the tokens yesterday.
DeepSeek bot spotted $CAR at $3M
In 3 hours, I sold it for 876 $SOL (266x)
I am 0 at coding and had 0 insider info,
But I built this bot in 12 minutes (full guide) 🧵👇
I begged u to buy $TRUMP before it did 340x
I begged u to buy $POPCAT before it did 60x
I begged u to buy $MYRO before it did 20x
I begged u to buy $ANALOS before it did 230x
Now I found the next 100x coin held by Binance whales
Will share the CA with those who like, rt, and reply
Must be following or I won't DM you