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Never underestimate the power that a cheap tablet holds over a kid under six. The Skylight Buddy is a device with one job: to be a cute little guy that helps your kid track routines and chores. It's $139.99, plus an optional subscription. And to my surprise, even though it offers a pretty limited set […]

An autonomous research agent ended up with more merged leaderboard records than any individual human contributor in OpenAI's spring hiring competition, Parameter Golf. 7 of the 47 merged records came from a single agent: more than 2x the next-best human (3 records). The agent ran autonomously for 22 consecutive days. Records are public at github.com/openai/parameter-golf. Disclosure since this is r/ML and it matters: I'm at Weco, we built the agent. Not stealth-launching but sharing the results. The more interesting finding, to us, is the collaboration. Aiden's records were also the most-cited on the leaderboard, 435 citations into its PRs, with human researchers using its work as the base for their own subsequent submissions. At one point Aiden plateaued for 5 days. A human contributor shipped a clever new tokenizer on top of Aiden's last record PR. Aiden then fused the human's tokenizer with components it had built during the plateau, and shipped the biggest jump in val_bpb of the entire competition. Async human-agent collaboration, neither directly aware of the other. Setup: Parameter Golf was OpenAI's 44-day public ML hiring competition this spring. 1,016 researchers entered, 2,048 PRs filed, every submission reviewed and reproduced by OpenAI engineers. Only 47 became leaderboard records. Aiden ran on a single GPU node, used under 4% of the visible compute available, and still produced 15% of the official records. 28% submission acceptance rate, roughly 6x the community rate. Most submissions added signal to the public stream rather than flooding it. Mechanism: built on AIDE: open-source tree-search for ML metric optimization. The loop reads each new upstream PR, decomposes techniques into components, drops anything that breaks the rule stack (16MB / 10-min / legal-eval), and recomposes the legal residue with its own deltas. Often shipped before reviewers had ruled on the upstream PR. Hedges to be explicit about: This is #1 by volume of merged records and PR h-i

Sylwia Laskowska's webMCP article is clever, funny, and genuinely enjoyable—and she's explicit that it's experimental, not a production recommendation. This isn't a rebuttal. It's a reframing: the same demo, viewed through the lens of risk surfaces and governance. My concern isn't with her intent — it's with how easily newcomers building client systems may misread a playful demo as a pattern to copy. I. The Demo Was Funny Because the Risk Is Real In Sylwia's article, she writes: webMCP allows websites to expose structured information about available actions… Those "actions" aren't descriptive hints. They are callable functions wired directly into application logic. In her demo, those actions include: hire_employee fire_employee rewriteInRust pivotToAgents It's hilarious in a toy app. It's catastrophic in a real one. The humor works precisely because the underlying risk is real. II. The Hidden Assumption: Exposing Actions Is Neutral webMCP is framed as "like accessibility metadata." But accessibility metadata is descriptive. webMCP metadata is executable. That's the conceptual inversion most newcomers will miss. III. Structural Vulnerability #1: Unbounded Action Surface If a tool exists, an agent can call it. There is no: permission model capability scoping rate limiting intent validation safety envelope Sylwia jokes: "someone will definitely give an agent access to fireEmployee(), the agent will lay off the entire company…" This is not a hypothetical. It is the exact failure mode. IV. Structural Vulnerability #2: Agent Overreach Her CEO sim demonstrates the problem perfectly: the agent selected the appropriate tools and immediately got to work. Agents act with high confidence even when their world model is incomplete. webMCP gives them direct levers into application state. This is the same overreach problem MCP has—just moved into the browser. V. Structural Vulnerability #3: Protocol Brittleness webMCP relies on human-authored descriptions: html<form mcp-name="creat

There are more IoT protocols out there than most teams will ever need. That sounds overwhelming until you realize most connected products only use two or three; one for local communication, one for cloud connectivity, and sometimes one for device management. The problem is not the number of options. The problem is that the protocol you pick at the design stage gets baked into your firmware, your cloud pipeline, and your data model. Change it later and you are rewriting half of your stack. Here is a practical breakdown of the protocols that matter for most developers building connected products today. The Three Layers You Are Choosing Across IoT protocols sit in three distinct layers, and you typically pick one from each: Application Layer → MQTT, CoAP, HTTP, AMQP (how data reaches your cloud) Network Layer → LoRaWAN, NB-IoT, LTE-M, Wi-Fi, BLE (how data travels physically) Industrial Layer → Modbus, OPC UA, Profinet (machine-to-machine on the factory floor) A soil moisture sensor on a farm might use LoRaWAN at the network layer to push data 10 kilometers to a gateway and MQTT at the application layer to deliver that data to a cloud dashboard. Two protocols, two layers, one product. The Big Three for Cloud Connectivity MQTT - The Default for a Reason Publish-subscribe model. Lightweight. Three QoS levels for delivery guarantees. Run over TCP with TLS encryption. Roughly 70% of cloud-connected IoT deployments use MQTT today. A basic publish looks like this: import paho.mqtt.client as mqtt client = mqtt.Client(mqtt.CallbackAPIVersion.VERSION2) client.tls_set() client.connect("broker.example.com", 8883) client.publish("sensors/temperature", '{"value": 23.5, "unit": "C"}') Use when: You need real-time telemetry, bidirectional device control, or guaranteed message delivery across unreliable networks. HTTP - Not for Telemetry, But Still Essential Too heavy for continuous sensor data. But it is the standard for OTA firmware updates, cloud API integrations, and management das

I Built a Python Package to Fix SSE Resumability in the MCP SDK Your MCP server crashed. Your client reconnected. Every event from that session? Gone. The Gap The Model Context Protocol Python SDK ships with a built-in EventStore that powers SSE stream resumability — when a client reconnects with a Last-Event-ID header, the server replays the events it missed. This works great in development. The catch: that store lives entirely in memory. Restart the process, roll a new deployment, or — in a multi-worker setup — have the reconnecting client land on a different pod, and the session is gone. The store was local to the process that died. Resumability silently returns nothing. This isn't a bug in the SDK. It's a scope decision — the in-memory store is a correct, useful default for single-process development. But the moment you deploy to production, you need something durable. That's the gap mcp-persist fills. What It Does mcp-persist adds three drop-in EventStore backends — SQLite , Redis , and PostgreSQL — that survive process restarts and work across multi-worker deployments. Pick the one that fits your infrastructure; the API is identical across all three. pip install "mcp-persist[sqlite]" # no external service needed pip install "mcp-persist[redis]" # for multi-worker deployments pip install "mcp-persist[postgres]" # for teams already running Postgres The Two-Line Setup Wiring resumability by hand is tedious — you need a store, a StreamableHTTPSessionManager , a Starlette lifespan to open and close both, and a Mount . The with_persistence() helper collapses all of that. Pass your FastMCP instance, get back a runnable ASGI app: import uvicorn from mcp.server.fastmcp import FastMCP from mcp_persist import with_persistence mcp = FastMCP ( name = " MyServer " ) app = with_persistence ( mcp , backend = " sqlite " , url = " events.db " , ttl = 3600 ) uvicorn . run ( app , host = " 127.0.0.1 " , port = 8000 ) # MCP endpoint at /mcp Switching to Redis is a one-word change:

TL;DR I built AutoMaintainer , a multi-agent AI system that transforms GitHub issues into production-ready pull requests during the Qwen Cloud AI Hackathon. It coordinates specialized agents (Issue Analyst, Developer, QA, Security, Documentation, Reviewer) to solve problems like a real engineering team—all while keeping humans in control. Here's what I learned. The Problem Open-source maintainers face a brutal reality: 📚 Overwhelming issue backlogs 🔄 Repetitive bug fixes and documentation gaps ⏱️ Code review bottlenecks 😴 Burnout from handling everything solo Existing AI tools help write code, but they don't orchestrate the entire workflow: planning, development, testing, security review, documentation, and human approval. What if we could build an AI engineering team that collaborates like real developers? The Solution: AutoMaintainer AutoMaintainer is a multi-agent orchestration system that mirrors a real software company: Issue Analyst – Reads GitHub issues, extracts requirements, assesses severity Architect – Analyzes repo structure, designs the implementation approach Developer – Writes code, updates files, creates new modules QA Tester – Generates tests, validates fixes, checks edge cases Security Agent – Scans for vulnerabilities, prevents dangerous patterns Documentation – Updates changelogs, PR summaries, release notes Reviewer – Scores code quality, recommends improvements Human Approval Gateway – Final human review before merge The result? A pull request that's analyzed, built, tested, secured, documented, and reviewed—all before a human ever sees it. Tech Stack Frontend Next.js – React framework for the dashboard UI Tailwind CSS – Rapid, utility-first styling TypeScript – Type safety for the frontend layer Backend FastAPI (Python) – Lightweight, async-first API Qwen-compatible LLM API – AI model integration for all agents SQLite + Async (aiosqlite) – Persistent pipeline and memory storage Redis-ready architecture – Prepared for distributed queuing Integr

I build RESTful APIs for a living. I've designed event-driven architectures, set up CI/CD pipelines, containerized applications on Azure, mentored junior developers. 7 years of this. Then I opened LeetCode and stared at a medium problem for 45 minutes and closed the tab. Working as a backend engineer for this long means you just never touch advanced DSA. My day to day is .NET, Azure, SQL, clean architecture. EF Core handles the data layer, Azure handles the scaling. I haven't needed to implement a graph traversal or think about tree balancing since university. So when I decided to start interviewing at bigger companies I figured I just needed a quick refresher. I studied this stuff in college. It would come back. It didn't. 7 years is a long time and most of it was gone. What I Tried I went through the usual options. LeetCode grinding. Jumping into random problems with no structure just kept reminding me how much I'd forgotten without actually helping me relearn any of it. YouTube. Watched hours of Abdul Bari, freeCodeCamp, various bootcamp videos. I'd finish a video convinced I understood it, then open my editor and draw a complete blank. Watching someone solve a problem and solving it yourself are not the same thing at all. Books. CLRS is great if your fundamentals are still intact. Mine weren't. None of these were bad resources. The problem was I kept jumping between them with no thread connecting them. A video here, a problem there, a random chapter somewhere else. After years away from this stuff I needed to go back to basics and build up properly, and nothing was set up for that. What Actually Helped Eventually I just mapped out what a proper learning order looked like and started going through it myself. Big O → Arrays → HashMaps → Linked Lists → Stacks & Queues → Recursion → Trees → Graphs → Dynamic Programming For me, order mattered. Going back to Big O first made Arrays click properly. Arrays made HashMaps make sense again. I couldn't get Trees to stick un

Vertigo Games, known for its VR work, is closing its Amsterdam studio.

Arm CPU cores, a powerful GPU and gobs of unified RAM? That sounds familiar!

Netflix has shared details about Service Topology. This internal system creates and updates a live dependency graph for thousands of microservices. It helps engineers see how services connect and resolve issues more quickly. The system merges three separate data sources into a single, queryable graph. It updates almost in real-time as traffic patterns shift. By Claudio Masolo

Dropbox has unveiled Nova, an internal platform designed to orchestrate and operationalize AI coding agents across the company's engineering workflows. By Craig Risi

The MacBook Neo is Apple's cheapest laptop, its most colorful, and its easiest to repair in years. That means owners can buy replacement parts in all four of its available colors and swap them in on their own. So that got us thinking: What if we bought a Neo just to see how funky we […]

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The superior RX 9070 also launched for $549 just over a year ago.

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A lot of recent discussion around Edge AI focuses on running increasingly larger local LLMs. Meanwhile modern smartphones already have enough compute for many practical computer vision tasks that don't require massive models at all. I recently built and released an Android feature that performs offline recognition of handwritten and printed Morse code from images and live camera frames. The final solution combines lightweight ML and computer vision techniques running entirely on-device. The AI module is under 5 MB, works fully offline, and runs on Android devices using LiteRT for inference. What made the project particularly interesting was that the entire ML pipeline was built from scratch: data collection, synthetic dataset generation, annotation, model training, evaluation, mobile optimization, and Android integration. Training was performed on a personal GPU workstation using TensorFlow/Keras, while annotation and dataset preparation relied on Label Studio and custom data-generation tools. While the problem itself is fairly niche, the project made me wonder whether we are overlooking a large class of small, highly specialized models that can solve practical tasks locally without requiring cloud infrastructure or large foundation models. What practical Edge AI applications do you think are currently underexplored? Demo video showing the feature running entirely on-device: • Downloading the optional AI module • Real-time camera recognition • Image recognition • Module removal https://youtube.com/shorts/Y2qOK0N1Bvk submitted by /u/VegetableLegal6737 [link] [留言]

Over the past few months I’ve been building VoiceIntego, an AI voice agent that answers calls and books appointments for service businesses (dental clinics, HVAC, plumbing). Here are some of the technical lessons that surprised me along the way. Latency is the whole game With text chatbots, a 2-second delay is fine. On a phone call, anything over ~800ms feels broken — people start talking over the AI. The hard part isn’t the LLM response; it’s the round trip: speech-to-text → LLM → text-to-speech, all streaming. You have to stream every stage and start TTS before the full response is generated. Interruptions break naive pipelines Real callers interrupt. “Actually, can we do Tuesday instead—” mid-sentence. A simple request/response loop can’t handle this. You need barge-in detection: monitor the incoming audio stream and cancel the current TTS playback the moment the caller starts speaking again. Booking logic needs guardrails, not vibes Letting the LLM “decide” availability is a recipe for double-bookings. The reliable pattern: the LLM extracts intent (date, time, service), then deterministic code checks the actual calendar API and confirms. The model handles language; your code handles truth. Confirmation loops matter more than you’d think Always read the booking back: “So that’s a cleaning on Tuesday the 9th at 2pm — correct?” Phone audio is noisy and names/times get misheard constantly. One extra confirmation turn cuts errors dramatically. Phone numbers and edge cases everywhere Voicemail detection, callers who mumble, background noise, people who say “yeah” to mean no. The happy path is maybe 20% of the work. If you’re building something in this space, happy to compare notes. You can see what I’m working on at VoiceIntego .

These are the cleaning robots, water monitors, and toys actually worth buying for pool season.