AI AGENTS CAN NOW TEST YOUR UNCOMMITTED LOCAL CODE DIRECTLY IN THE CLOUD Zero commits. Zero pushes. No waiting for CI loops. … and it’s entirely open-source! A new project called Crabbox just dropped, and it fixes the slowest part of cloud-dependent development.
SECURITY
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Leak of the entire system prompt of Claude Fable 5
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🚨 ALGUIEN ACABA DE FILTRAR EL SYSTEM PROMPT COMPLETO DE CLAUDE FABLE 5.
— Nico (@nicos_ai) 16 juin 2026
Te explico qué es y cómo revivir Fable 5:
Anthropic lo lanzó el 9 de junio.
En menos de 24 horas el prompt ya estaba público en GitHub.
120.000 caracteres. 1.585 líneas. Más de 27.000 tokens.
Cada… https://t.co/haMz8haQLX pic.twitter.com/RuhkqFj7iU—
SOMEONE JUST LEAKED THE ENTIRE SYSTEM PROMPT OF CLAUDE FABLE 5. I'll explain what it is and how to revive Fable 5: Anthropic launched it on June 9. In less than 24 hours, the prompt was already public on GitHub. 120,000 characters. 1,585 lines. More than 27
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Leak of Claude Fable 5’s system prompt and resurrection method
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🚨 ALGUIEN ACABA DE FILTRAR EL SYSTEM PROMPT COMPLETO DE CLAUDE FABLE 5.
— Nico (@nicos_ai) 16 juin 2026
Te explico qué es y cómo revivir Fable 5:
Anthropic lo lanzó el 9 de junio.
En menos de 24 horas el prompt ya estaba público en GitHub.
120.000 caracteres. 1.585 líneas. Más de 27.000 tokens.
Cada… https://t.co/haMz8haQLX pic.twitter.com/RuhkqFj7iUSOMEONE JUST LEAKED THE ENTIRE SYSTEM PROMPT OF CLAUDE FABLE 5. I'll explain what it is and how to resurrect Fable 5: Anthropic launched it on June 9. Within 24 hours, the prompt was already public on GitHub. 120,000 characters. 1,585 lines. More than 27
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Mythos-class models: 4-8 months to harden IT systems
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Assuming open models continue to lag about 8-12 months behind closed source (at least in coding), the countdown to hardening IT systems against Mythos-class models is now at 4-8 months Having publicly available and relatively safe defensive Mythos-class models today is important
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Endpoint Security: From Keyword Detection to Intent Analysis
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A decade of endpoint security has meant scanning content for keywords and file types, then alerting after the data already left.
— Chubby♨️ (@kimmonismus) 16 juin 2026
Ent runs local models that read intent instead: who's in the meeting, what's on screen, what shouldn't be visible externally, and covers it before the… https://t.co/LXoqV5OswdA decade of endpoint security has meant scanning content for keywords and file types, then alerting after data has already left the system. Ent runs local models that instead read intent: who is in the meeting, what
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Your AI agent auto-logs in as you everywhere
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Your AI agent can now log in as you everywhere, automatically. Here's the problem it solves. Your agent runs on a second Mac, not the laptop you use. That machine isn't logged into anything. So your agent can't act as you until you sign in by hand. Once on your laptop.
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US export controls on Anthropic’s AI model spark trust fears
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Axios reports that the industry is now worried White House export controls on Anthropic’s latest model could hurt the entire U.S. AI industry. The problem is trust. And that was to be expected. As Deutsche Bank’s Jim Reid put it: “You can’t rely on something that could be
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AI bubble discovers world values jailbreaks over impressive apps
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Our AI bubble will very quickly learn how little the rest of the world cares about you one-shotting a mind blowing app and how much they care if you tell them that this new model can hack everyone and apparently it's impossible to patch the jailbreaks
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Anthropic Talks with Trump Admin Fail, Fable 5 Export Controls Stay
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Update on Fable5/Anthropic: Anthropic flew its top security people to DC. The export controls are still there. Via Wired Anthropic and the Trump administration wrapped up talks on Monday with no resolution – the export controls on Claude Fable 5 are still in place. No end in
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The jailbreak looked like ‘fix this code’
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Yeah, it really seems like the jailbreak was 'fix this code'.