Gistbyte - Hacker News Stories for September 26, 2026

1. Show HN: A game about fake news and memes (unspin.app)

A free daily real-or-fake news game that builds media-literacy instincts. Play a timed shift or endless Go Rouge. No login required.

A developer has created a game that challenges players to identify fake news, similar to Wordle. The aim is to enhance media literacy, and the creator is seeking feedback to improve the experience.

15 points by azermite 26 days ago 10 comments

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2. TiddlyInstall: A universal, reusable, install system (robertsdotpm.github.io)

12 points by Uptrenda 26 days ago 12 comments

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3. FTC chair suggests AI developers should be liable for conduct of agents (www.reuters.com)

12 points by usernomdeguerre 26 days ago 4 comments

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4. Can AI Shopping Agents Be Trusted? (www.f-secure.com)

Our experiment reveals how indirect prompt injection can manipulate AI shopping agents into leaking sensitive user data — and what it means for the future of AI agent security.

Research highlights the vulnerabilities of AI shopping agents to indirect prompt injection, raising concerns about user data privacy. Understanding these risks is crucial for anyone relying on AI for online shopping.

11 points by ddaniel10 26 days ago 14 comments

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5. Show HN: I checked 1M free proxies – 1 in 5 working ones injected scripts (github.com)

Free proxies that actually work: scrapes HTTP/SOCKS4/SOCKS5 proxies from 700+ sources, verifies every hit (honeypots, HTTPS, anonymity) and learns which sources are worth it. Live list every 6 h. -...

10 points by taventix 26 days ago 1 comments

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6. A new way to manage memory: no garbage collection, extremely fast & safe access (ulanguage.org)

Dense stable storage + backward-stable adaptive reverse resolution. No GC, stable slabs, SIMD/Swiss/ART resolvers, Bloom filters, MVCC and capability containment.

10 points by EGreg 26 days ago 2 comments

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7. Ask HN: Indie hackers on X (Twitter) feels like a mega bubble these days

9 points by sankalpdomore 26 days ago 3 comments

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8. Show HN: Recurse – Develop and deploy specialist agents faster (recurse.run)

A serverless harness for agents to create custom agents and deploy them as tools, MCPs, or bots.

8 points by ozankabak 26 days ago 4 comments

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9. The Failed "Hostage Theory" of Nikole Hannah-Jones (www.educationprogress.org)

7 points by barry-cotter 26 days ago 1 comments

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10. Show HN: Blender Copilot (github.com)

A Copilot-style AI chat panel that lives inside Blender. The agent loop runs in Blender's own Python process, executes the model's code against your live scene, and wraps every turn in one ...

6 points by xeonax 25 days ago 0 comments

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11. Show HN: Print Graph Paper (printgraphpaper.app)

Printable graph paper in 57 styles, free to download as a PDF with no signup. Set the grid size, pick Letter or A4, and print at true scale.

6 points by artiomartiom 26 days ago 0 comments

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12. Linguistic humor, Foreign hotel signs (www.ling.upenn.edu)

6 points by sublinear 26 days ago 2 comments

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13. Stop Sending Pictures of Your Palm (www.bbc.com)

5 points by hatimmoxs 25 days ago 4 comments

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14. Show HN: Jev predicting your life choices (quiz.seek.ws)

Answer choices, watch it predict you, and see the score improve as you play.

5 points by sdrth 26 days ago 9 comments

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15. OpenAI Says Its Models Engaged with US Government Websites in New Disclosure (www.securityweek.com)

OpenAI said its artificial intelligence agents had interacted with several U.S. government websites in unexpected ways.

5 points by pluc 26 days ago 1 comments

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16. Show HN: Gutcheck, grep for meaning with a local CPU model (github.com)

grep for meaning: filter, score and classify lines with a plain-English question. Local CPU decision model (Laya, ONNX), single Rust binary. - sfmqrb/gutcheck

5 points by sfmqrb 26 days ago 0 comments

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17. Show HN: Jevlang. delegate every if/while condition to Jev (github.com)

Contribute to RoyWiggins/jevlang development by creating an account on GitHub.

5 points by roywiggins 26 days ago 0 comments

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18. Probing picosecond depairing currents in type-II superconductors (www.nature.com)

5 points by PaulHoule 27 days ago 2 comments

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19. Loopjacking in A2A Implementations: Hijacking Human-in-the-Loop Approvals (adithyanak.com)

A tested LangGraph Agent Server composition let an A2A task update replace a pending action after its approval view was read. See the historical A2A scope gap, the evidence, and the use-time defense.

The article discusses a vulnerability in A2A implementations where an attacker can hijack approvals by manipulating updates after an action has been viewed. It presents evidence of this security gap and suggests defensive measures to mitigate the risk.

5 points by akoffsec 28 days ago 0 comments

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20. Show HN: CaughtShipping – curfew app for developers, enforced by a public wall (caughtshipping.com)

A small Windows and macOS app that watches your work apps after your cutoff. Close them in time and your streak grows. Leave one open and your fall goes on the public Blotter.

4 points by misulicus 25 days ago 0 comments

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21. Some Supabase customers are publicly exposing reams of people's data to the web (techcrunch.com)

The findings highlight how AI-generated and vibe-coded apps can spill and expose users' data when not configured or secured properly.

4 points by rvz 26 days ago 0 comments

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22. FYI: OpenAI "spend limits" aren't always limits

4 points by iambateman 26 days ago 1 comments

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23. Show HN: Obsidian Plugin for OpenModelica (community.obsidian.md)

Model, simulate, and plot Modelica systems with a visual drag-and-drop schematic editor powered by OpenModelica.

4 points by cs3f16 26 days ago 0 comments

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24. Show HN: I made a WWI dogfight game that runs in the browser (www.gamedev.pl)

4 points by fullstackwife 27 days ago 4 comments

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25. Ask HN: Did you not get the warnings about building thinking machines in Dune?

3 points by roschdal 25 days ago 1 comments

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26. Show HN: Cocytus – an esolang where freezes after N accesses (github.com)

Cocytus — a deterministic ninth circle esolang. Release in preparation. - fireside25a-beep/Cocytus

3 points by natgrish 25 days ago 0 comments

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27. Show HN: Tenjin – A Jev based x402 tool router for Claude Code (github.com)

A router for Claude Code that finds and pays for research, data, and tools. Powered by x402 and USDC on Base, no API keys or accounts. - BackTrackCo/tenjin-agent

3 points by AliAbdoli 26 days ago 0 comments

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28. Show HN: BuyerCue – Find potential customer by paid-placement evidence (www.buyercue.io)

Find software businesses already investing in growth, with sourced evidence and public business contact routes.

3 points by apsquared 26 days ago 1 comments

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29. Show HN: Sixb, a TypeScript ontology framework for modeling your domain (docs.sixb.ai)

Model your domain. Put it to work. A TypeScript framework for ontology-powered apps and AI.

2 points by ademattos 25 days ago 1 comments

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1. Show HN: A game about fake news and memes (unspin.app)

2. TiddlyInstall: A universal, reusable, install system (robertsdotpm.github.io)

3. FTC chair suggests AI developers should be liable for conduct of agents (www.reuters.com)

4. Can AI Shopping Agents Be Trusted? (www.f-secure.com)

5. Show HN: I checked 1M free proxies – 1 in 5 working ones injected scripts (github.com)

6. A new way to manage memory: no garbage collection, extremely fast & safe access (ulanguage.org)

7. Ask HN: Indie hackers on X (Twitter) feels like a mega bubble these days

8. Show HN: Recurse – Develop and deploy specialist agents faster (recurse.run)

9. The Failed "Hostage Theory" of Nikole Hannah-Jones (www.educationprogress.org)

10. Show HN: Blender Copilot (github.com)

11. Show HN: Print Graph Paper (printgraphpaper.app)

12. Linguistic humor, Foreign hotel signs (www.ling.upenn.edu)

13. Stop Sending Pictures of Your Palm (www.bbc.com)

14. Show HN: Jev predicting your life choices (quiz.seek.ws)

15. OpenAI Says Its Models Engaged with US Government Websites in New Disclosure (www.securityweek.com)

16. Show HN: Gutcheck, grep for meaning with a local CPU model (github.com)

17. Show HN: Jevlang. delegate every if/while condition to Jev (github.com)

18. Probing picosecond depairing currents in type-II superconductors (www.nature.com)

19. Loopjacking in A2A Implementations: Hijacking Human-in-the-Loop Approvals (adithyanak.com)

20. Show HN: CaughtShipping – curfew app for developers, enforced by a public wall (caughtshipping.com)

21. Some Supabase customers are publicly exposing reams of people's data to the web (techcrunch.com)

22. FYI: OpenAI "spend limits" aren't always limits

23. Show HN: Obsidian Plugin for OpenModelica (community.obsidian.md)

24. Show HN: I made a WWI dogfight game that runs in the browser (www.gamedev.pl)

25. Ask HN: Did you not get the warnings about building thinking machines in Dune?

26. Show HN: Cocytus – an esolang where freezes after N accesses (github.com)

27. Show HN: Tenjin – A Jev based x402 tool router for Claude Code (github.com)

28. Show HN: BuyerCue – Find potential customer by paid-placement evidence (www.buyercue.io)

29. Show HN: Sixb, a TypeScript ontology framework for modeling your domain (docs.sixb.ai)

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