Responsible AI design library updated as the field moves, so you always know what good looks like. Sign up for beta now: https://xitter.cf/t.co/GoxQl1GOQM

Joined January 2026
After a few months of hard work defining, testing, and shaping the product, we are opening the BehaviorAI beta. BehaviorAI is a responsible AI design library for designers: - real AI interactions - reusable patterns - risks and trade-offs behind them Sign up for beta now: behaviorai.eu
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"Every interface is a decision environment. Not a neutral space. A designed one - that shapes which decisions feel easy, which feel hard, and how much control you walk away with. In conversational AI, this layer is more powerful than anywhere else. Three reasons why: 1. Conversation activates different mechanisms than clicking 2. Sycophancy works as a retention strategy 3. The paywall hits at peak emotional investment" I wrote about this. Link in the comments 💬 #BehaviorAI #BehavioralEconomics #ethicalai #UX #productDesign #CX #EX #ResponsibleAI
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This is exactly how it should work! I don’t know anyone except developers who thinks ahead about tasks. Most often, people write prompts for a given task and repeat the whole process next time until they get tired of that type of job and develop the skill. This feature was designed based on true user patterns, and I love it!
Show Codex a workflow once. Reuse it as a skill. Record & Replay lets you show Codex a recurring task, like filing an expense report or submitting a time-off request. Codex turns that demo into an inspectable, editable skill. You control when recording starts and stops.
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Something I keep seeing when working with AI teams. The model is good, the UX is clean, and people still avoid the system or stop giving feedback altogether. The instinct is always: - fix the model, - redesign the interface. But often that's not it. Wrote about what's actually going on, and what you can change in the product! xitter.cf/behavior_ai/status/205…
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Responsible practices matter New State of AI Design report dropped: 75% of designers now use Claude, 65% on ChatGPT. A year ago it was 88% ChatGPT, 55% Claude. Massive flip in 12 months. It made me think why. And I keep coming back to the controversies regarding OpenAI like the army contract drama. Meanwhile Claude keeps showing up as the more responsible option, and designers are noticing. I’ve talked to many designers that switched as they see Anthropic as the more responsible option. Curious where OpenAI goes from here. Hoping the responsible path keeps winning. Full report: stateofaidesign.com
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design.md is slowly becoming a quality standard in vibe-coding tools What are your thoughts on design.md? Do you actually use them?
Introducing design.md files support in Omma. - Create or import your design.md files - Make a design.md from a website link - Use your design.md on your chats to keep consistency in the outputs - Export design.md files
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I tested the viral brand kit prompt with @OpenAI's new GPT Image 2, and I think I'll stick with designing myself. I mean, "steal like an artist" is a thing, but this model copied the references 1:1. The detail reproduction is really good though, and the font understanding is quite nice. for generic brands, i mean. nothing wrong with using Intel tho! <3
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cool
Today, we’re open-sourcing the draft specification for DESIGN.md, so it can be used across any tool or platform. We’re also adding new capabilities. DESIGN.md lets you easily export and import your design rules from project to project. Instead of guessing intent, agents know exactly what a color is for and can even validate their choices against WCAG accessibility rules. Watch David East break down this shared visual language in action👇. New capabilities and links in 🧵
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A beta launch means a new website -> behavior.eu done 90% with traditional methods!
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AI experience is more than what you can see. you can design the form. but experience is what happens when a real person meets a system that doesn't return the same answer twice. you can't plan your way through it. you can only design the space around it. how are you approaching this?
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AI is not making design obsolete. It optimizes the creation of form. But the core - understanding the problem and context - stays the same. I feel most designers think the same, but we needed someone to put it out there! Must-read.
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Everyone’s talking about design.md files and skills, but why? Markdown files and skills provide high-value context and guidelines for agents. And together, they’re powerful. Use design.md, skills, plan mode, and @cursor or @claude design mode the right way, and you can generate strong designs almost in one shot. Useful links in the comments below ⬇️
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There's a shift happening among AI companies. Many tools are transitioning from being dev-only to muggle-friendly. And I feel like design is the next big thing. Now Claude is joining the design game, curious how it'll perform 🧐
Introducing Claude Design by Anthropic Labs: make prototypes, slides, and one-pagers by talking to Claude. Powered by Claude Opus 4.7, our most capable vision model. Available in research preview on the Pro, Max, Team, and Enterprise plans, rolling out throughout the day.
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