OPENAI : ChatGPT is now available directly in PowerPoint, allowing users to create and edit slides. PowerGPT
TOOLS
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Pomelli generates landing pages and brand books in 2 clicks
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GOOGLE 🔥: Pomelli can now generate and host a landing page website based on your Brand DNA in 2 clicks! Brand Books generation is now available as well.
— 🚨 AI News | TestingCatalog (@testingcatalog) 21 mai 2026
Testing time 👀 https://t.co/sExiivG8mS pic.twitter.com/cqp0CWS3OIGOOGLE : Pomelli can now generate and host a landing page website based on your Brand DNA in 2 clicks! Brand Books generation is now available as well. Testing time
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Codex on macOS: Appshots, annotation editor, /goal command, shareable plugins
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OPENAI : Codex on macOS now supports Appshots, allowing users to quickly add context from any app directly to the prompt. Besides that, a new annotation editor is now available in the browser, the/goal command is enabled by default, and Plugins are now shareable.
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Daytona’s Agent-Native Compute Explained: AI Agents Need Composable Computers
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🆕Daytona’s Agent-Native Compute: 60ms sandboxes, 50K startups in 75 sec, 850K daily runs, RL/evals, CLI > MCP, & the end of localhost https://t.co/3sauItT6oc@daytonaio CEO @ivanburazin explains why AI agents need composable computers, how Daytona pivoted from human dev… pic.twitter.com/WGjlPJwpEr
— Latent.Space (@latentspacepod) 21 mai 2026Daytona’s Agent-Native Compute: 60ms sandboxes, 50K startups in 75 sec, 850K daily runs, RL/evals, CLI > MCP, & the end of localhost https://
latent.space/p/daytona @daytonaio CEO @ivanburazin explains why AI agents need composable computers, how Daytona pivoted from human dev -
Datasette Agent Alpha: Conversational AI for SQLite Databases
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I released the first alpha of Datasette Agent – a conversational AI assistant for Datasette that can answer questions about data in SQLite databases, and can be extended with plugins to add extra tools and features
— Simon Willison (@simonw) 21 mai 2026
Here's a demo pic.twitter.com/2gyduf5EphI released the first alpha of Datasette Agent – a conversational AI assistant for Datasette that can answer questions about data in SQLite databases, and can be extended with plugins to add extra tools and features Here's a demo
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Create Hugging Face Account and Train Personal AI Models
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create your HF account and start training models! that's the future of personal AI!
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Active Graph video: flipped agent architecture, blackboard system, self-improvement
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longer form video on Active Graph [7 min 22 sec]
— Yohei (@yoheinakajima) 21 mai 2026
– flip the agent architecture
– 1970s blackboard system
– rollback, fork, diff agent runs
– experience + behaviors + beliefs = you
– behaviors can write behaviors (self-improvement)
github: https://t.co/8ENyNt4gYD pic.twitter.com/WeN2D60bdjlonger form video on Active Graph [7 min 22 sec] – flip the agent architecture
– 1970s blackboard system
– rollback, fork, diff agent runs
– experience + behaviors + beliefs = you
– behaviors can write behaviors (self-improvement) github: https://
github.com/yoheinakajima/
activegraph
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Auth Proxy: Controlling Agent Behavior Boundaries
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Introducing the sandbox Auth Proxy: A way to control the boundary between agent-generated behavior and the rest of the world. An explainer from @hwchase17
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Tips for AI-assisted scientific coding workflows
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How to vibe code in science: early adopters share their tips
by Nicola Jones @Nature Learn more: https://
bit.ly/4uOUTo1 #Coding #AI #GenerativeAI #ArtificialIntelligence #MachineLearning -
Codex enhances engineers’ focus
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6/ The thread beneath all five. Codex isn’t used to write code faster. It’s used to handle the work that disrupts focus. Reading. Refactoring. Testing. Scaffolding. Background tasks.
The engineer stays in the flow. The agent takes care of the rest.