Karl Horky 🦋 @karlhorky.com (@karlhorky) 's Twitter Profile
Karl Horky 🦋 @karlhorky.com

@karlhorky

Technical Founder, Curriculum Engineer @getupleveled .
Org Team React Amsterdam, AmsterdamJS, React Vienna .
Canadian, Austrian, he/him

ID: 142731803

linkhttps://github.com/karlhorky calendar_today11-05-2010 16:18:24

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Simon Willison (@simonw) 's Twitter Profile Photo

The GitHub MCP server suffers from the lethal trifecta for prompt injection: access to private data, exposure to malicious instructions and the ability to exfiltrate information. Be really careful with this stuff: attackers can trick your AI agent into stealing your private data

Rob Palmer (@robpalmer2) 's Twitter Profile Photo

ECMAScript excitement 😉 Firefox 139 ships the TC39 Stage 3 Temporal proposal 🎉 It's about time. Congrats to those who worked on the implementation including Andre Bargull & Dan Minor 👍 developer.mozilla.org/en-US/docs/Moz…

Evan You (@youyuxi) 's Twitter Profile Photo

Bold move, but I am curious (and some honest first thoughts): - Will there be bundling for production at all? Unbundled production deployment simply does *not* scale in practice. - Will there be HMR during dev? Or is it going to be a full page reload + Node server restart on

Rob Palmer (@robpalmer2) 's Twitter Profile Photo

TypeScript excitement 😉 Congrats to Ryan Cavanaugh 👉 searyanc.dev on bsky on landing big updates to the default tsconfig settings used by `tsc --init` 🎉 Defaults matter - and in TS 5.9 they embrace simplicity 💙 🔷 ESM (was CommonJS) 🔷 No down-leveling (was ES2016) 🔷 verbatimModuleSyntax: true

Guillermo Rauch (@rauchg) 's Twitter Profile Photo

c15t.com is "shadcn for Consent Management." You get to fully own and customize the experience. It makes GDPR suck less, but with full compliance. It's minimal, performant, and private by design. It integrates wonderfully with Next.js and other frameworks.

colinhacks/zod (@colinhacks) 's Twitter Profile Photo

someone please make an AI for responding to GitHub issues, preferably w/ RAG against docs & previous issues there's a HUGE market for this (several dozen broke OSS maintainers)

Seb ⚛️ ThisWeekInReact.com (@sebastienlorber) 's Twitter Profile Photo

Node.js + TypeScript - The "real" launch? Node 24.3 will have it built in ❌ No scary experimental warning anymore! This warning made it really awkward to ship native TS in any serious Node app, so happy to see it removed!

Node.js + TypeScript - The "real" launch?

Node 24.3 will have it built in
❌ No scary experimental warning anymore!

This warning made it really awkward to ship native TS in any serious Node app, so happy to see it removed!
ESLint (@geteslint) 's Twitter Profile Photo

Do you use ESLint in a large repo (more than 1,000 files)? We'd love your feedback on this parallel linting prototype. github.com/eslint/eslint/…

Simon Willison (@simonw) 's Twitter Profile Photo

If you use "AI agents" (LLMs that call tools) you need to be aware of the Lethal Trifecta Any time you combine access to private data with exposure to untrusted content and the ability to externally communicate an attacker can trick the system into stealing your data!

If you use "AI agents" (LLMs that call tools) you need to be aware of the Lethal Trifecta

Any time you combine access to private data with exposure to untrusted content and the ability to externally communicate an attacker can trick the system into stealing your data!
Playwright (@playwrightweb) 's Twitter Profile Photo

What's new in Playwright v1.52 & v1.53 🤖 Fix with AI 🖼️ describe() a locator ➕ Title in HTML Report 👁️ toContainClass 📷 Aria Snapshots supports children and url ▶️ Test runner updates youtu.be/6s4hQy5Nel0

Biome (@biomejs) 's Twitter Profile Photo

Biome v2—codename: Biotype is here! The first type-aware linter that doesn't require tsc 🔐 Type-aware lint rules 🧑‍🚒 Plugins 📚 Monorepo support 📝 Revamped, configurable import sorting 🧐 Linter domains 🙅‍♀️ Bulk suppressions 👩‍✈️ Analyzer assist

Biome (@biomejs) 's Twitter Profile Photo

Does your organisation have particular use cases? Now you can create your custom lint rules with plugins using GritQL. biomejs.dev/linter/plugins/

Simon Willison (@simonw) 's Twitter Profile Photo

Workaccount2 on Hacker News just coined the term "context rot" to describe the thing where the quality of an LLM conversation drops as the context fills up with accumulated distractions and dead ends news.ycombinator.com/item?id=443087…

Workaccount2 on Hacker News just coined the term "context rot" to describe the thing where the quality of an LLM conversation drops as the context fills up with accumulated distractions and dead ends news.ycombinator.com/item?id=443087…