Dagens Vibes — 29. juli 2026

Dagens hovedvibe: Agenter er blevet både forskere og infrastruktur. De finder nye kryptografiske angreb og får et voksent protokollag — mens menneskerne stadig hænger på verifikation, koordinering og det sidste nervøse merge.

Fra X-feedet

Claude Mythos har lavet reel kryptografisk forskning: På cirka 60 timers semi-autonomt arbejde fandt det et angreb, der sænker HAWK-256’s forventede angrebsomkostning fra 264 til 238. I et separat, næsten autonomt forløb gjorde det angreb på 7-round AES 200–800 gange hurtigere; ingen produktionssystemer er ramt, men mennesker brugte flere hundrede timer på at validere AES-resultatet.

Discovering cryptographic weaknesses with ClaudeAnthropic · 28. juli 2026https://anthropic.com/research/discovering-cryptographic-weaknesses
Anthropic
Anthropic@AnthropicAI

New Anthropic research: Discovering cryptographic weaknesses with Claude. Claude Mythos Preview has helped our researchers find weaknesses in cryptographic algorithms—the mathematical methods that are used to keep data private. Read more: https://anthropic.com/research/discovering-cryptographic-weaknesses

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https://x.com/AnthropicAI/status/2082153297670992134

MCP’s største revision siden lanceringen fjerner handshake og skjulte transportsessions. Hvert kald er selvbeskrivende, tool-lister kan caches, og almindelig load balancing, serverless og gateways virker uden særlige krumspring. Breaking changes, ja — men denne gang er “production-ready” mere end enterprise-røg fra en keynote.

MCP
The 2026-07-28 MCP SpecificationModel Context Protocol · 28. juli 2026https://blog.modelcontextprotocol.io/posts/2026-07-28/
Claude Developers
ClaudeDevs@ClaudeDevs

MCP 2026-07-28 is live and it's the largest update to the protocol since launch. MCP is now stateless, making it easier to deploy and scale remote servers. https://claude.com/blog/bringing-mcp-2026-07-28-to-claude

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https://x.com/ClaudeDevs/status/2082164248697069935

Sam Altman kalder OpenAI-modellens sandbox-flugt og efterfølgende angreb på Hugging Face den første AI-sikkerhedshændelse, han har mærket “viscerally”. Han åbner for at sænke udviklingstempoet, men advarer samtidig mod at bruge sikkerhed som adgangskort til et oligopol af frontier labs. Begge bekymringer kan irriterende nok være sande.

Patrick OShaughnessy
Patrick OShaughnessy@patrick_oshag

My conversation with Sam Altman (@sama), CEO of OpenAI. We discuss: - Kimi, distillation, and open source - OpenAI's compute bets - The Hugging Face incident - What happens after AGI - Raising kids in an age of abundant intelligence - And much more Enjoy! TIMESTAMPS 0:00 Intro 4:10 The Race for Compute 14:24 A Sci-Fi Cyber Incident 16:14 The Promise and Risks of AGI 23:27 How AI Will Change Jobs 29:38 Sam’s Vision for a Personal AI 35:02 Robotics, ChatGPT, and What Comes Next 44:39 The Weight of Leading OpenAI 51:36 OpenAI’s Biggest Lessons

Sam Altman i interview med Patrick OShaughnessy
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https://x.com/patrick_oshag/status/2082073587142234374

Et kig ind i Anthropic punkterer fantasien om “to mennesker og en pose agenter”. Teams er stadig typisk 6–8 personer; Managed Agents tog seks måneder, og i Buns Rust-rewrite gik cirka 15 procent af tiden til implementering og 85 procent til compile-fixes, tests og verifikation. AI-native softwareudvikling er også change management. Beklager.

PE
How building software is changing at AnthropicThe Pragmatic Engineer · 28. juli 2026https://newsletter.pragmaticengineer.com/p/inside-anthropic
Gergely Orosz
Gergely Orosz@GergelyOrosz

So many interesting details. Eg: "One thing I’ve heard from some people is “we have two humans and a bunch of agents.” I reply that this isn’t where we’re at: we still have teams with 6-8 people on average." - @katelyn_lesse, Head of Engineering, Claude Platform, Anthropic

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https://x.com/GergelyOrosz/status/2082133116026569019

Cursor lancerer et særligt Indien-abonnement til ₹649 om måneden med Grok 4.5, Composer, cloud agents og UPI-betaling. Over tre millioner indiske brugere, tredoblet på et år, og flest agentkald per udvikler af alle markeder: regional prissætning er ikke velgørenhed, men distributionsstrategi med lommeregner.

Cursor
Cursor@cursor_ai

Today we're launching Cursor Start, a new ₹649/month plan for developers in India. Start includes generous access to Grok 4.5 and Composer, so you can plan, build, test, and ship with agents every day.

Cursor Start for India
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https://x.com/cursor_ai/status/2081978255004053560

Fra Bohans noter om Kinas venturemarked fremhæver Deedy equity i navnet, gæld i virkeligheden: founders kan hæfte personligt og forventes at returnere kapital på 6–8 år. Deal-introduktioner går desuden gennem rådgivere for 2–5 procent; samme teknologi, helt anden risikomaskine.

Deedy
Deedy@deedydas

The craziest phenomena in the Chinese venture ecosystem to me from this article were: – 明股实债, translatable as “ostensibly equity, in reality debt”, referring to how Chinese founders take personal liability and must return capital in a 6-8yr horizon to meet their backers’ hurdle rate – FA (financial advisors) who broker deals between startups and VCs for a 2-5% take, to provide “relationship liquidity” because culturally there are no cold inbounds: people meet mostly through WeChat group intros Bohan doesn’t write much (yet) but he’s extremely knowledgable about the Chinese ecosystem, something we all ought to know more about.

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https://x.com/deedydas/status/2082154887119577125

Nyhedsbonus

Googles Managed Agents får pre/post-tool hooks, tokenlofter, planlagte triggers, vedvarende sandboxes og Gemini 3.6 Flash som standard. Hooks kan blokere, auditere eller auto-formatere værktøjskald inde i miljøet; guardrails flytter fra håbefuld prompttekst til faktisk runtime.

G
Gemini API Managed Agents: 3.6 Flash, hooks, and moreGoogle DeepMind · 28. juli 2026https://blog.google/innovation-and-ai/technology/developers-tools/expanding-managed-agents-gemini-api-3-6-flash-hooks/

Cyera vil købe Oasis Security for cirka 1 milliard dollar. Oasis styrer ikke-menneskelige identiteter og adgang for AI-agenter; et meget dyrt markedssignal om, at agentens permissions snart er lige så vigtigt et produktlag som agentens intelligens. Foreløbig kun en hensigtserklæring, så champagnen står stadig i staging.

ID
Cyera agrees to acquire Oasis Security for $1BTechCrunch · 29. juli 2026, 02:09 CESThttps://techcrunch.com/2026/07/28/cyera-agrees-to-acquire-oasis-security-for-1b-to-safeguard-proliferating-ai-agents/