5/ The lessons.md file is now pointless. Claude Code has auto memory, on by default. It writes down what it learns about your project on its own after you correct it, and reloads it next session. The tool already does it for you.
@aihighlight
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Start with one file: CLAUDE.md for project rules
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3/ Start with one file. CLAUDE.md in your project root. Build commands, your folder layout, conventions, the "always do this" rules. Claude reads it at the start of every session. This one file does what those seven were trying to do.
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Anthropic lists seven real ways to steer Claude Code
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2/ Anthropic lists the real ways to steer Claude Code. There are seven, and they are not files you invent. CLAUDE.md. Rules. Skills. Subagents. Hooks. Output styles. System prompt.
That is the actual list. -
Claude Code auto-loads specific files, not viral advice files
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1/ The viral advice says make persona.md, lessons.md, references.md, glossary.md, and more. Claude Code does not read most of them. It auto-loads a specific set of files. The rest just sit there unless you import them by hand.
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Beginners: one file, Claude builds the rest
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Code beginners with Claude: everyone says to create 7 files first. You only need one, and Claude builds the rest itself. Here's how:
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AI assists doctors in solving 18 families’ long-held medical questions
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8/ The takeaway is not that AI replaces doctors. It read more than any human could, found leads, and handed them to experts who did the real medicine. For 18 families this week, a question they carried for years finally has an answer.
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AI finds genetic leads; doctors confirm in lab
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5/ It did not diagnose anyone. This matters. The model surfaced leads, candidate explanations tied to specific genes. Doctors then tested those leads in a lab and confirmed them the normal way. The AI found the thread. Humans pulled it.
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AI reasoning model finds missed genetic link in children
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3/ They gave the cases to a reasoning model, OpenAI's o3 Deep Research. The human genome has around 20,000 genes. The model read each child's symptoms, their genetic data, and the medical literature, looking for the one link a person might have missed.
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AI model can connect old unsolved cases to new papers
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4/ One detail explains why this works. A case can go unsolved, then a year later a research paper is published that finally connects a gene to a disease. No human re-reads every old case against every new paper. The model can.
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AI solves 18 medical cases of children abandoned by doctors
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Urgent: An AI just solved 18 medical cases that doctors had abandoned. All children with rare diseases that no one could identify. Here is how the AI did it: