| 1. | Stateless MCP has recaptured my interest(simonwillison.net) |
| 257 points by tosh 4 days ago | 130 comments | permalink | |
tl;dr: The new MCP 2.0 spec (2026-07-28) replaces stateful session-based requests with a single stateless HTTP call, dramatically simplifying client and server implementations and eliminating session-routing headaches. Simon Willison built three projects on it this week: mcp-explorer (a CLI for probing MCP servers), datasette-mcp (a Datasette plugin exposing SQL tools), and llm-mcp-client (an LLM plugin). He argues MCP is making a comeback because it's safer and easier to audit than giving agents arbitrary shell/curl access, especially for avoiding lethal trifecta-style exfiltration attacks. | |
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| 2. | Pi's Minimalism Is Its Advantage(earendil.com) |
| 403 points by luispa 13 hours ago | 184 comments | permalink | |
tl;dr: Pi is a minimalist coding harness with only 4 tools and a sub-1,000-token system prompt, betting that lean context beats bloated orchestration. In Databricks' benchmarks, Pi paired with Opus 4.8 achieved the highest pass-rate at significantly lower cost than Claude Code and Codex, sending ~3x less context per turn. Its extensibility—demonstrated by Shopify building pi-autoresearch as a Pi extension—lets users add complexity only when needed, making it especially suited for local models with smaller context windows. | |
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| 3. | Mistral's Shieldstral: 3B open-weights model for multimodal moderation(mistral.ai) |
| 439 points by riadsila 19 hours ago | 112 comments | permalink | |
tl;dr: Mistral released Shieldstral, a 3B Apache 2.0 multimodal safety classifier that accepts policies as plain-language yes/no questions at inference time, eliminating the need to retrain for new taxonomies. It outputs calibrated safety scores from yes/no token logits, handles text and images, and reportedly matches or beats guard models up to 7x its size. It runs on a single 16GB GPU and was trained by unifying heterogeneous datasets, using contrastive policy pairs to teach discrimination, and merging LoRA checkpoints via SLERP. | |
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| 4. | Show HN: Simple algorithm and color space to generate diverse skin tones(toneyalexander.github.io) |
| 550 points by automatoney 21 hours ago | 95 comments | permalink | |
tl;dr: The author built a custom color space (TUV) for representing diverse skin tones by manually labeling RGB colors, applying principal component analysis to align the data along meaningful axes, then hand-fitting spherical equations in Desmos to map the resulting shape. The three PCA-derived axes conveniently correspond to deep/fair, flushed/ochre, and cool/warm, and a single radius parameter (R²) lets you tune variation for pickers or procedural generation. Includes Python/JS sample code, an interactive picker, and candid acknowledgment of the unscientific "guess and check" methodology. | |
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| 5. | In Memory of My Wife, Elise Cawley, with Thanks for 36 Wonderful Years(writings.stephenwolfram.com) |
| 1422 points by jdcampolargo 17 hours ago | 82 comments | permalink | |
tl;dr: Summary not available | |
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| 6. | Eight Myths on Software Engineering and GenAI(queue.acm.org) |
| 227 points by tchalla 12 hours ago | 191 comments | permalink | |
tl;dr: Summary not available | |
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| 7. | AI fuels more than half of cybercrime in Africa as scams surge – Interpol(africanews.com) |
| 256 points by bookofjoe 14 hours ago | 199 comments | permalink | |
tl;dr: INTERPOL's African Cyberthreat Assessment Report 2026 found that 55% of cybercrime cases across 36 African countries now involve AI, with financial losses jumping from $192M in 2024 to $484M. Criminals are leveraging deepfakes, AI-generated BEC emails, and synthetic identities to scale scams, sextortion, and fraud, while 72% of surveyed countries reported scam centers within their borders. Despite gaps in law enforcement readiness, 17 countries updated cybercrime laws in 2025 and joint operations led to 1,500+ arrests and $100M recovered. | |
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| 8. | libexpat now funded by the City of Munich for up to 6 months(blog.hartwork.org) |
| 293 points by spyc 12 hours ago | 66 comments | permalink | |
tl;dr: The maintainer of libexpat (a widely-used C XML parser) has been hired by the City of Munich for up to 6 months under their Open Source Sabbatical program, marking the first time he can work on the project as a full-time job rather than a side effort. Priorities include fixing 5 known unpatched vulnerabilities, adding XML 1.0r5 support, and improving project robustness. He's inviting serious (non-AI-generated) vulnerability reports during this window. | |
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| 9. | There Will Come Soft Rains (1950) [pdf](users.wpi.edu) |
| 392 points by pmg101 1 day ago | 405 comments | permalink | |
tl;dr: Summary not available | |
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| 10. | Waymo in Dallas(waymo.com) |
| 302 points by xnx 17 hours ago | 541 comments | permalink | |
tl;dr: Waymo has opened its fully autonomous ride-hailing service to the general public in Dallas, following a waitlist period that served nearly 150,000 riders since February. The company is also beginning autonomous testing on Dallas freeways and at Love Field Airport terminals, with plans to add those routes for public riders soon. | |
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| 11. | Xbox goes down. You can't play games you own on disc(birchtree.me) |
| 669 points by surprisetalk 1 day ago | 698 comments | permalink | |
tl;dr: An extended Xbox outage that started Sunday evening prevented users from playing not just digital titles but disc-based games as well, since discs today merely grant a license and require installs, updates, and network authentication to function. The author argues this exposes how modern "physical" console media isn't truly ownership—unlike old cartridges that still work standalone—and cites it as a reason to prefer PC gaming, where preservation options are more robust. | |
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| 12. | Oxide Computer raises $445M (SEC Form D)(sec.gov) |
| 246 points by depr 16 hours ago | 158 comments | permalink | |
tl;dr: Summary not available | |
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| 13. | LLMs reward expertise(seangoedecke.com) |
| 1357 points by MaxMussio 1 day ago | 559 comments | permalink | |
tl;dr: Domain expertise dramatically improves LLM output quality: Terence Tao's ChatGPT conversation about the Jacobian Conjecture shows how an expert can steer the model into concise, technical mode, push back on wrong answers, and extract insights a novice couldn't. The key skill isn't prompt engineering tricks but actually understanding the subject well enough to identify weird outputs, suggest alternatives, and ask specific questions. This suggests humans remain the bottleneck for many tasks—the knowledge is already in the model, but it takes expertise to pull it out. | |
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| 14. | Apple says more ex-employees may have taken confidential data to OpenAI(techcrunch.com) |
| 368 points by thewebguyd 20 hours ago | 263 comments | permalink | |
tl;dr: Apple is seeking a preliminary injunction against OpenAI in its trade secrets case, alleging that at least 11 additional former Apple employees beyond those originally named may have been involved in taking confidential information, including screenshots of unannounced product documents. Apple wants expedited discovery targeting OpenAI, Jony Ive's device startup io, and specific engineers. OpenAI dismissed the claims as based on "false information," saying it has no interest in Apple's trade secrets and pointing to Apple's own procedural missteps and poor security practices. | |
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| 15. | I am retiring from fulltime writing (& pseudonymity) to launch Guardian Angel(twitter.com) |
| 285 points by mattsterett 15 hours ago | 206 comments | permalink | |
tl;dr: Summary not available | |
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| 16. | Thanks FedEx, This Is Why We Keep Getting Phished (2024)(troyhunt.com) |
| 301 points by stymaar 15 hours ago | 74 comments | permalink | |
tl;dr: Security researcher Troy Hunt received a FedEx SMS requesting duty/tax payment that had every hallmark of a phishing scam: typos, urgency, weird casing, a non-FedEx payment domain, and a URL where you could freely tamper with the tracking number, name, and amount via query parameters. After extensive verification through FedEx's actual support channels, it turned out to be legitimate. The takeaway: while we train users to spot phishing red flags, legitimate companies like FedEx are undermining that effort by sending messages indistinguishable from scams. | |
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| 17. | DeepSeek V4 Flash on a Single AMD MI300X(github.com) |
| 373 points by zhoutong 1 day ago | 100 comments | permalink | |
tl;dr: A production configuration for running DeepSeek-V4-Flash (304B params) on a single AMD MI300X, fitting the full 156.67 GiB model in HBM without quantization or offload, achieving 168.6 tok/s single-stream decode and 830 tok/s aggregate across 64 streams. The repo provides Docker Compose stack, SHA-pinned overlays, and AITER GEMM tuning tables that fix MI300X-specific issues including FNUZ vs OCP FP8 format mismatches, MXFP4 routing bitmatrix padding bugs, causal speculative verification, and CPU-KV synchronization gaps not yet in upstream vLLM. | |
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| 18. | Online ad giant Adform was hacked, proving once again why ad blockers are needed(this.weekinsecurity.com) |
| 234 points by speckx 21 hours ago | 97 comments | permalink | |
tl;dr: Adform, an ad network serving 1.5 billion daily ads, was compromised on July 27 when attackers injected malicious code into its ad delivery, replacing crypto wallet addresses in victims' clipboards every three seconds to redirect transfers to the attacker. The company disclosed the breach but hasn't revealed how it was compromised or how many users were affected, and is still investigating whether browsing data was exfiltrated. Ad blockers like uBlock Origin blocked Adform's domain entirely, preventing the malicious payload from loading. | |
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| 19. | Keyv and friends compromised in active Shai-Hulud supply chain attack(aikido.dev) |
| 245 points by cimi_ 1 day ago | 131 comments | permalink | |
tl;dr: Mini Shai-Hulud malware was injected into keyv and eight related npm packages on August 4, 2026 after an attacker compromised the maintainer's GitHub account... | |
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| 20. | More German than many Germans(mertbulan.com) |
| 614 points by mertbio 2 days ago | 481 comments | permalink | |
tl;dr: A Turkish developer recounts moving to Hamburg in 2017 for an internship, describing how the reality of German culture—trust, flat hierarchies, inclusion, and structured rules—contrasted sharply with the stereotypes he'd grown up hearing. Over eight years he integrated through work rather than deliberate effort, learned German after deciding to stay, and eventually obtained citizenship under the recently shortened five-year eligibility rule. He acknowledges his experience was privileged (English-speaking corporate environment, good salary) and not representative of most immigrants' harder landings. | |
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