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Show HN: Endo Familiar, an O-cap based JavaScript agent sandbox

https://dcfoundation.io/containing-ai-agents-the-endo-familiar-demo/
10•zmanian•1h ago

Comments

cowbertvonmoo•1h ago
I’m Kris Kowal and I’m the tech lead on the Familiar project and happy to answer questions about building this new kind of user agent for safely managing and extending the capabilities of bots and apps.

Show HN: SQL Protocol – learn SQL by running real queries, with 1v1 PvP

https://sqlprotocol.com
1•ItaiZeilig•58s ago•0 comments

NixPaint – Paint with Lambda's

https://nixpaint.extranix.com
1•mipselaer•3m ago•1 comments

HX Is the New UX: Designing for the Harness Experience

https://neurometric.substack.com/p/hx-is-the-new-ux-what-you-need-to
1•robmay•5m ago•0 comments

The Switch 2s Best New Feature Is a Battery Power Hog but Still Worth It

https://kotaku.com/switch-2-handheld-boost-mode-battery-life-xenoblade-2000680392
1•PaulHoule•7m ago•0 comments

Wildest mlb play ever – 108mph line drive disappears into pitcher's shirt

https://www.msn.com/en-us/sports/mlb/this-might-be-the-wildest-mlb-play-you-ll-ever-see-108-mph-l...
1•bookmtn•7m ago•0 comments

Why Everything's a Subscription – and Why That May Be Good for You

https://www.magiclasso.co/insights/why-everythings-a-subscription/
1•bentocorp•8m ago•0 comments

Bitwarden engineers who had the compromised Checkmarx VSCode extension got hit

https://old.reddit.com/r/selfhosted/comments/1stjtay/comment/ohvbj63/
1•milkglass•9m ago•1 comments

Microsoft Targets About 7% of Its U.S. Workers with Buyout Offer

https://www.nytimes.com/2026/04/23/business/microsoft-layoffs-artificial-intelligence.html
1•rmason•14m ago•2 comments

Ghost 6.0

https://ghost.org/6
3•thunderbong•20m ago•1 comments

Dev targeted by sophisticated job scam

https://www.theregister.com/2026/04/23/job_scam_targeted_developer/
1•defrost•23m ago•0 comments

Former MrBeast employee accuses YouTube giant of wrongful termination

https://courthousenews.com/former-mrbeast-employee-accuses-youtube-giant-of-wrongful-termination/
1•toomanyrichies•23m ago•0 comments

Community Votes to Deny Water to Nuclear Weapons Data Center

https://www.404media.co/community-votes-to-deny-water-to-nuclear-weapons-data-center/
2•cdrnsf•24m ago•0 comments

Show HN: GeoValida – Spatial Intelligence reality check to find the best land

https://geovalida.com
1•vellal•27m ago•0 comments

French police probe suspected weather device tampering after odd Polymarket bet

https://www.npr.org/2026/04/23/nx-s1-5797876/polymarket-paris-weather-bet
1•hackernj•29m ago•1 comments

Stonebraker on Postgres, Disagreeing with Google, and Future Problems [video]

https://www.youtube.com/watch?v=YPObBOwIrHk
1•hmaxdml•31m ago•0 comments

Blackstone's Steve Schwarzman hits back against campaign against private credit

https://b17news.com/blackstones-steve-schwarzman-hits-back-against-intensively-negative-campaign-...
1•petethomas•38m ago•0 comments

AI threats in the wild: The current state of prompt injections on the web

https://security.googleblog.com/2026/04/ai-threats-in-wild-current-state-of.html
2•ahoog42•39m ago•0 comments

Websites break California privacy law at 'industrial scale,' survey finds

https://themarkup.org/privacy/2026/04/21/websites-break-california-privacy-law-at-industrial-scal...
1•anticorporate•41m ago•0 comments

Madison Square Garden's Surveillance Machine

https://www.wired.com/story/madison-square-garden-jim-dolan-surveillance-machine/
1•anticorporate•43m ago•1 comments

Anthropic reaches $1T valuation on secondary markets

https://qz.com/anthropic-trillion-dollar-valuation-secondary-markets-openai-052626
2•kerim-ca•48m ago•1 comments

Friendster Relaunch

https://friendster.com/
3•lemonlym•50m ago•1 comments

When you’re stuck on “Help Wanted”

https://insight.kellogg.northwestern.edu/article/when-youre-stuck-on-help-wanted
1•hhs•51m ago•0 comments

OpenAI Releases GPT-5.5

https://techthreedots.com/openai-launches-gpt-5-5-its-smartest-model-yet
1•perbit•52m ago•1 comments

A Grounded Conceptual Model for Ownership Types in Rust

https://cacm.acm.org/research-highlights/a-grounded-conceptual-model-for-ownership-types-in-rust/
1•sohkamyung•56m ago•0 comments

Ask HN: Dear astronomers, what are the most interesting things in space lately?

7•simonebrunozzi•58m ago•0 comments

How tolls saved Britain from pothole hell in the Industrial Revolution

https://www.cam.ac.uk/stories/fixing-the-roads-turnpikes
2•hhs•59m ago•0 comments

The Disillusioned College Grads Turning to the Labor Movement

https://newrepublic.com/article/208726/mutiny-review-college-educated-labor-unions
2•littlexsparkee•1h ago•1 comments

How Have Universities Survived for Nearly a Millenium

https://www.nber.org/papers/w35079
1•paulpauper•1h ago•0 comments

Suddenly Everyone Wants a Tailor. They're in Short Supply

https://www.wsj.com/style/fashion/suddenly-everyone-wants-a-tailor-theyre-in-short-supply-5f40110c
2•paulpauper•1h ago•0 comments

The first 25 years of the Northwestern University SuperAging Program

https://alz-journals.onlinelibrary.wiley.com/doi/10.1002/alz.70312
2•bookofjoe•1h ago•0 comments