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Show HN: MCP Defender – OSS AI Firewall for Protecting MCP in Cursor/Claude etc.

Hi HN,

MCP Defender is an open source desktop app that automatically proxies your MCP traffic in AI apps like Cursor, Claude, Windsurf and VSCode. It then scans all requests and responses between the apps and the MCP tools they call. If it detects anything malicious, it alerts you and lets you allow or block the tool call.

While the threat landscape of MCP is still being actively researched, there are dangerous things that MCP Defender can block today. For example, a developer asks Curso

Show HN: Leap – Full-stack AI developer agent that deploys to AWS

We just launched Leap, an AI developer agent that helps you build and deploy apps with real backends to your own AWS or GCP cloud.

We built it because every AI app builder we tried fell short. They were fine for prototypes, but not for real systems. No support for proper backend infra, no isolated test environments, and sometimes shockingly no way to own your code.

We build Leap to be more appropriate for developers:

- Connect GitHub to put your code in a repo you control - Work with c

The CDC Opposes RFK Jr.'s COVID Vaccine Guidance, Saying Children 'May Receive' Their Shots

Contradicting what RFK Jr. said earlier this week, the CDC now states that children may receive COVID vaccines with "shared clinical decision-making." https://www.cnet.com/health/medical/cdc-opposes-rfk-jr-covid-vaccine-guidance-children-may-receive-shots/#ftag=CADf328eec

6h | cnet.com
The Absolute Best Air Fryer Money Can Buy Has One Key Feature Most Others Don't

The Crispi is built differently, which makes it safer and more convenient. Here's why we gave it the CNET Editor's Choice award and the top spot on our list of best air fryers for 2025. https://www.cnet.com/home/kitchen-and-household/the-best-air-fryer-weve-tested-has-one-unique-feature-that-others-dont/#ftag=CADf328eec

8h | cnet.com
Best Budget Smartwatches: Top Cheap Picks

Who says a good smartwatch can’t be affordable? Our sub-$100 picks hit the mark without compromising on features or battery life. https://www.cnet.com/tech/mobile/best-budget-cheap-smartwaches/#ftag=CADf328eec

8h | cnet.com
I Highly Recommend This Bluetooth Speaker That's Now 14% Off

The Anker Soundcore Boom 2 won a CNET Editors' Choice award, and it's discounted by 14% in a deal that may disappear at any time. https://www.cnet.com/deals/i-highly-recommend-this-bluetooth-speaker-thats-now-14-off/#ftag=CADf328eec

8h | cnet.com
SpaceX Plans a Launch Almost Every Other Day for the Rest of 2025

The company anticipates 170 orbital launches for the rest of the year, shooting past its record-setting 134 launches in 2024. https://www.cnet.com/science/space/spacex-plans-a-launch-about-every-other-day-for-the-rest-of-2025/#ftag=CADf328eec

8h | cnet.com
The Security Cam I Recommend to Anyone on a Budget Is 50% Off

The Arlo Essential 2K security camera is the best affordable option I've reviewed and right now you can buy a single camera for half price or a multipack for up to 53% off. https://www.cnet.com/deals/the-security-cam-i-recommend-to-anyone-on-a-budget-is-50-off/#ftag=CADf328eec

8h | cnet.com
Some Gmail Users Now Will Get AI Email Summaries Automatically

You used to have to opt in to see AI summaries of your messages, but now it will be turned on in certain instances. https://www.cnet.com/tech/some-gmail-users-now-will-get-ai-email-summaries-automatically/#ftag=CADf328eec

8h | cnet.com
 Elden Ring Nightreign Fissure in the Fog boss: How to beat Caligo, Miasma of Night

Elden Ring Nightreign has a grandiose new dragon fight with Caligo, Miasma of Night, and it's not an easy one. Follow this guide, though, and you'll take down the Fissure in the Fog in no time.

https://www.windowscentral.com/gaming/elden-ring-nightreign-fissure-in-the-fog-how-to-beat-caligo-miasma-of-night

 Helldivers 2 sees the Battle for Super Earth end in victory, so here's how it happened

Helldivers 2 sees the Battle for Super Earth end in victory, with players rallying to defend against the Illuminate invasion.

https://www.windowscentral.com/gaming/pc-gaming/helldivers-2-battle-for-super-earth-victory

 Warzone Ranked play: Battle Royale delayed and then surprisingly deployed— server instability and other issues plague the launch of Call of Duty Season 4

Call of Duty: Black Ops 6 and Warzone Season 4 kicked off earlier this week, causing the developers to focus on putting out multiple fires as players report crashes, Ranked Play for Warzone gets delayed, and Multiplayer Ranked Play goes live again.

https://www.windowscentral.com/gaming/xbox/call-of-duty-season-4-launch-issues

WordPad is dead in Windows 11, but Notepad is absorbing its skills
Yooka-Laylee developer Playtonic is laying off over a dozen staff

Playtonic, the creators of Yooka-Laylee, is laying off some of its staff, the developer and publisher announced on social media. The post doesn't mention how many members of Playtonic will be effected, but does credit the layoffs to the company's struggle with "a period of profound change in how games are created and fund

9h | Engadget
‘I still think I’m dreaming’: Kai Cenat’s ‘Streamer University’ now has its first graduating class

The class of 2025 have now graduated from Kai Cenat’s “Streamer University.”

Last week, 120 students—handpicked from more than a million applicants—attended the University of Akron for a four-day live-in boot camp. Of course, the whole thing was streamed by Cenat as well as attendees. 

Cenat, who has

The Golden Age

PHP is maturing and evolving. PHP was originally released on June 8, 1995 as Personal Home Page. It’s hard to believe that it was the community that continued driving its progress. 30 years later and we still have an amazing and thriving community. PHP is now a powerful language that is used in many different […]

The post The Golden Age appeared first on PHP Arch

AI-Powered Closed Captions Could Open Up New Possibilities – and Pitfalls

Hollywood studios and tech companies are tapping AI to automate captioning. It's faster and cheaper, but viewers could pay the price if accessibility isn't prioritized. https://www.cnet.com/tech/home-entertainment/ai-powered-closed-captions-could-open-up-new-possibilities-and-pitfalls/#ftag=CADf328eec

11h | cnet.com
Your Phone Is Covered in Germs. Here's How to Disinfect It the Right Way

Bringing your phone with you everywhere means it's filthier than you think. Keep it free from bacteria and germs with these cleaning tips. https://www.cnet.com/tech/mobile/your-phone-is-covered-in-germs-heres-how-to-disinfect-it-the-right-way/#ftag=CADf328eec

11h | cnet.com
 Superfast 32TB USB4 External SSDs are coming, thanks to a new chip - but I bet they won't be cheap

Silicon Motion’s SM2324 chip could enable fast, compact USB4 SSDs up to 32TB, though pricing, thermal demands, and NAND costs may limit mainstream adoption.

https://www.techradar.com/pro/superfast-32tb-usb4-external-ssds-are-coming-thanks-to-a-new-chip-but-i-bet-they-wont-be-cheap

 Should you play Elden Ring Nightreign solo?

Elden Ring Nightreign offers a single-player option despite its co-op multiplayer focus, but should you actually play it solo?

https://www.windowscentral.com/gaming/should-you-play-elden-ring-nightreign-solo

 Realtek eyes SSDs with new PCIe 5.0 x4 DRAM-less controller — Up to 10 GB/s and 1.4M IOPS

Realtek is attempting to enter the SSD controller market with its RTS5781DL, a PCIe 5.0 DRAM-less controller that is now sampling. But can it compete with established players?

https://www.tomshardware.com/pc-components/ssds/realtek-eyes-ssds-with-new-pcie-5-0-x4-dram-less-controller-up-to-10-gb-s-and-1-4m-iops

 Molex demonstrates PCIe 7.0 cabling solution: 128 GT/s at 1 meter

Molex unveiled its Genesis connector and cable system at Computex, targeting future PCIe 7.0 deployments with a design optimized for 128 GT/s signaling.

https://www.tomshardware.com/peripherals/cables-connectors/molex-demonstrates-pcie-7-0-cabling-solution-128-gt-s-at-1-meter

ExpressVPN review 2025: Fast speeds and a low learning curve

ExpressVPN is good at its job. It's easy to be skeptical of any service with a knack for self-promotion, but don't let ExpressVPN's hype distract you from the fact that it keeps its front-page promise of "just working."

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12h | Engadget
Valorant is finally adding replays and upgrading to Unreal Engine 5

The hugely popular first-person shooter game Valorant is getting some long-awaited upgrades as the game approaches its 5-year anniversary. In the ">latest dev update, the Valorant team announced the long-anticipated replay feature. They’ll function about the same as replays in other online shooters like Counter-Strike 2, allowing players to revisit their previous matches and watch the

12h | Engadget
How to watch the Wholesome Direct showcase on June 7 at 12PM ET

Wholesome Direct, an annual showcase of cute and cozy games, is coming back on Saturday, June 7 at 12PM ET. This is a live event that can be streamed via the official YouTube page or Tw

12h | Engadget
How to watch the Death Stranding 2 premiere event at Summer Game Fest

Death Stranding 2: On the Beach technically launches on June 26, but you'll be able to get an early look at the game and hear from a panel of people who worked on it thanks to a newly announced event that will close out Summer Game Fest on June 8. The "De

12h | Engadget
How to watch Summer Game Fest's kickoff stream

It's almost that time of year again. Summer Game Fest starts on June 6. The annual kickoff stream begins at 5PM ET on that date. Yeah, we know. The time isn't ideal for folks with regular jobs, but we'll be in Los Angeles to cover the event in person, so you can just hit up the site for updates.

The best way to watch this is likely via the

12h | Engadget
ZeniMax QA workers win tentative union contract with Microsoft

After two years of negotiating, ZeniMax Workers United-CWA, the union representing quality assurance workers at ZeniMax Media, has reached a tentative union contract with Microsoft,

12h | Engadget
Show HN: Asdf Overlay – High performance in-game overlay library for Windows

I am making a open source overlay library.

Game overlay is for rendering contents on top of game screen. Representative examples are Discord and Steam in-game overlay. They are complicated because it has to hook rendering part of a game.

Asdf overlay provides easy to use interfaces for rendering on top of game screen. I recognize game performance degradation due to overlay rendering, so GPU shared texture was used to avoid CPU framebuffer copy. Asdf Overlay is capable of rendering full s

12h | Hacker news
Nový úspěch laserové fúze: zesílení 4,13

Laserové zařízení NIF dosáhlo při výzkumu jaderné fúze nového úspěchu. Při energii 2,08 MJ vložené do terče uvolnilo 8,6 MJ fúzní energie. Vložená energie byla jadernou fúzí zesílena 4,13krát. http://www.osel.cz/14095-novy-uspech-laserove-fuze-zesileni-4-13.html

13h | osel.cz
I Discovered 4 Ways to Open My iPhone's Control Center One-Handed

I hated having to stretch out my thumb to change my iPhone's screen brightness or turn on Do Not Disturb. Now, I've found a better way to access the Control Center. https://www.cnet.com/tech/services-and-software/i-discovered-4-ways-to-open-my-iphones-control-center-with-one-hand/#ftag=CADf328eec

13h | cnet.com
7 Pasta-Cooking Mistakes That Make This Italian Chef Cringe

Making great pasta isn't as simple as boiling water. Here are seven common myths and mistakes made when cooking the Italian staple. https://www.cnet.com/how-to/7-pasta-making-mistakes-that-make-this-italian-chef-cringe/#ftag=CADf328eec

13h | cnet.com
 Microsoft wants to win the handheld gaming war by no longer making one

Microsoft's rumored first-party Xbox handheld may take longer to arrive than expected. The company has paused development on the Xbox handheld to focus on Windows 11 optimization.

https://www.laptopmag.com/laptops/gaming-laptops-pcs/microsoft-xbox-handheld-delay

 This big cult hit classic arcade-style fighter has finally arrived for Xbox — here's what you need to know

Blazing Strike taps the nostalgia vein with its 2D fighting action in glorious pixel detail, all developed by a lone creator who completely reworked the fighting title from the ground up to pay homage to the original genre.

https://www.windowscentral.com/gaming/xbox/blazing-strike-available-now-on-xbox

 Elden Ring Nightreign passes 2 million players in its first day

FromSoftware and Bandai Namco's Elden Ring Nightreign already has over 2 million players less than a day since launching.

https://www.windowscentral.com/gaming/elden-ring-nightreign-2-million-players

 No more alt-tabbing: Edge Game Assist floats guides, Discord, and more over your games

Edge Game Assist brings a floating browser to Windows 11, letting gamers view guides and content without leaving their games. It's now available to all users.

https://www.windowscentral.com/gaming/pc-gaming/no-more-alt-tabbing-edge-game-assist-floats-guides-discord-and-more-over-your-games