It's f*cking wild: OpenAI's co-founder put everything he knows on GitHub for free, from building GPT to AI that does its own research
Andrej Karpathy. 6 repos, 300K+ stars:
1. autoresearch · 92.7K stars
an AI that runs its own experiments overnight and keeps only what works
2. nanoGPT · 64.4K stars
train your own GPT from scratch. the repo half the AI world learned on
3. nanochat · 60.2K stars
build your own ChatGPT for about $100
4. llm wiki · 50K stars
the one-page idea behind the whole "second brain for AI" wave
5. llm.c · 31.4K stars
train a language model in plain C. nothing hidden
6. micrograd · 18.7K stars
how neural networks learn, in a few hundred lines
start with micrograd tonight. by the weekend you'll know what's actually inside ChatGPT
save it so you don't lose it
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I can't f*cking believe this: the CEO of Y Combinator put his own second brain on GitHub, and it's one clone away from being yours
7 second brains you probably haven't seen, all ready to clone tonight:
1. gbrain · 32.4K stars
Garry Tan's own agent brain. every fact remembers where it came from, and all his agents share one memory
2. Karpathy's llm wiki · 50K stars
the one-page idea file that started this whole wave
3. ai memory · 13.7K stars
quit Claude Code mid-task and pick it up in Codex without losing a thing. memory lives in plain markdown
4. COG second brain · 1.4K stars
35 skills and 10 agents, no database. just markdown files that think
5. agent second brain
send a voice note on Telegram and it lands as a linked note in Obsidian, or a task in Todoist
6. open second brain
every night it turns the corrections you keep repeating into rules your agent follows
7. claude second brain
one npx command sets up Obsidian, Claude Code and local search together
the man who funds the next Airbnb runs his agents on this. yours still forgets you overnight
save it so you don't lose it
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The easiest way into a top project
4.3 million AI repositories on GitHub. 230 new ones show up every minute.
PyG’s CONTRIBUTING.md says it outright: if a pull request isn’t merging because of size, complexity, or reviewer availability, there’s a contrib folder with looser review. that’s not a hack. that’s the official path.
HKUDS/LightRAG (builds knowledge graphs from text) has 38,800 stars and hundreds of contributors fighting over every issue.
their own RAG-Anything (same tech, but for images and tables) from the same lab has almost nobody.
the pattern repeats across the whole ecosystem. semantic-router is the neighboring project inside vLLM with the same logic. torch_geometric.contrib is the same looser-review lane, just inside PyG.
while everyone’s knocking on the front door, the one next to it is wide open
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97% OF PERMISSION PROMPTS IN CLAUDE CODE GET APPROVED WITHOUT BEING READ
a coworker sent me the number with no comment. that was enough to make it unsettling.
anthropic admitted this on august 7, right when they announced it.
but that’s not even the interesting part.
they ran a controlled study with 1,053 paid testers.
they planted a dangerous command inside a task. humans caught it 13.6% of the time. the auto mode classifier caught it 89% of the time.
starting august 14, auto mode becomes the default for new sessions on pro, max, and team plans.
it only blocks actions that are irreversible, destructive, or reach outside your environment. everything else goes through without stopping.
not because it’s faster. because it turned out to be safer than a human clicking “approve” on autopilot.
so you were clicking “yes” without thinking, and now a model does the thinking instead. and it’s better at it.
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You're the bottleneck in your own system.
People actually making money with AI
in 2026 don't prompt manually anymore.
They build loops - systems that plan,
execute, and verify themselves.
Example:
One voice note in five finished posts out,
for Instagram, Telegram, YouTube, and LinkedIn.
No human involved
between the start and the result.
You write the goal once.
The AI decides the next step,
scores it, and fixes what's weak.
Skip the verify step and the loopт
"finishes" - but the output is mediocre,
because nothing ever checked it.
Skip the stop condition and it either
runs forever, or you kill it by hand.
Your first version will be rough.
The point is to ship one that actually works.
Fixing prompts, or building a system?
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The best AI safety grade - a C+.
Not from an underdog. From the leader.
The Future of Life Institute rated
major AI labs on risk management, transparency, and whether they
keep their own promises.
Anthropic - C+.
OpenAI and Google DeepMind - C.
Meta - D+.
xAI, DeepSeek, and Mistral
failed the assessment.
Even the leader barely scraped a C+.
Meanwhile, several labs have
quietly walked back their own
earlier safety commitments.
And all of this is happening
while AI gets trusted with
cybersecurity, medical reviews,
and autonomous agents.
If you’re trusting AI with
decisions, don’t ask:
“Which model is smarter ?”
“Who checked its safety ?”
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Your prompt engineering course is trash now.
Karpathy said it straight at Sequoia Ascent: stop treating LLMs as oracles.
They're statistical "ghosts"
they need to be guided, controlled,
and constrained by rigid boundaries.
Before: send text, get text back.
The model forgot context
on step five - and nobody knew why.
Now the agent writes the code,
runs its own tests, reads the error
and rewrites the fix - on its own,
until the tests pass at 100%.
Behind this are three technologies
almost nobody talks about.
Transactions that roll back
when the agent makes a mistake.
Memory that deletes outdated facts on its own.
Routing that decides which agent
a given step actually needs.
The human reviews it and hits "Deploy."
No prompt engineering course will explain any of that.
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