Property Tests Catch a Hidden Softmax Bug That Breaks PyTorch and JAX
A six-page follow-up uses Hypothesis to stress-test the recent DeepMind softmax fix, finds a new edge case, and ships a tougher implementation.
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Nightly Labs' OpenBot Runs Multiple Coding Agents From One Desktop App
OpenBot is a local-first Electron app that runs Codex, Claude, Grok and Gemini as persistent AI teammates with shared workspaces and queues.
Cursor Adds DeepSeek V4.1 Flash Hitting 47.7% for Under $1 per Task
DeepSeek V4.1 Flash lands in Cursor with four effort tiers that sit on the CursorBench cost frontier from $0.60 to $0.98 per task.
Cursor's Agent SDK Lets Developers Build and Version Bots Like Code
Cursor's new Agent SDK turns custom bots into versioned repos of Markdown prompts and TypeScript tools, with built-in evals and flexible hosting.
Cognition's Devin Security 2.0 Hunts Bugs and Ships Tested Fixes Automatically
Cognition's coding agent now runs frontier cyber models to hunt chained exploits, triages backlogs against a living threat model, and ships patches in parallel VMs.
Theo Browne Open-Sources tstack to Automate the Entire PR Lifecycle
Theo Browne open-sourced tstack, a collection of nine agent skills that automate the full pull-request lifecycle in Claude Code and Codex.
CyberTiel Brings Uncensored Security Coding to 24GB GPUs
An abliterated 35B mixture-of-experts coder with a grafted multi-token prediction head delivers frontier agentic coding at Q4 on 24GB consumer hardware.
Lyra C's Neuron Explorer Lets Researchers Steer Qwen3.5-4B's Hidden Channels
A new open-source tool pushes every MLP neuron in Qwen3-4B up and down, saves every rollout, then lets you browse the model as a 3D map.
Pi Pocket Lets Developers Run and Supervise Coding Agents From Their Phone
Pi Pocket turns the Pi coding agent into a phone-friendly, multiplayer web app with durable sessions that survive server restarts mid-run.
GitHub Ditches Its LLM for ModernBERT, Cutting Secret Scan Costs by 98%
GitHub swapped its LLM-based secret scanner for a fine-tuned ModernBERT classifier, boosting acceptance 11.5%, cutting scan time 86%, and serving costs 98%.
Moonshot's Kimi Code Stops Spawning Parallel AI Agents Without Permission
Moonshot flipped the default so Kimi Code tackles work solo, with multi-agent swarms now strictly opt-in across CLI and Desktop.
Co-op Anything Lets AI Agents Add Multiplayer to Any Single-Player Game
A new MCP server and playbook lets AI coding agents reverse engineer, patch, and ship multiplayer support for any single-player PC game.
Harvey Turns Claude Subscriptions Into a Full Open-Source Sales Agent
Harvey is an open-source autonomous sales agent that runs cold email campaigns on your Claude or ChatGPT subscription with no per-token API bill.
Aporia Cuts AI Coding Mismatches by 79% by Making Hidden Decisions Visible
A new VS Code extension forces coding agents to ask you design questions first, cutting mental-model mismatches by 79 percent in a user study.
Cognition Rebuilds Devin Desktop to Run Parallel Coding Agents on One Board
Cognition ships a polished refresh of its agent orchestration IDE, free to download and now compatible with your existing ChatGPT Plus or Pro quota.
Vercel's AI SDK Ships Web Fetch Tool That Works Across any AI Model
Vercel's AI SDK adds a first-party web fetch tool that returns pages as markdown, works with any function-calling model, and ships with domain allowlists.
Cursor's Computer Use Lets Its Coding Agent Click Through Desktop Apps
Cursor's local agent can now click and type across any desktop app, driving tools like the iOS Simulator to verify the code it writes.
DeepSeek Harness Lets AI Build Full 3D Scenes Autonomously in Blender
A new open-source plugin wires an AI agent directly into Blender over TCP, exposing 16 tools and 186 ops for scene editing, rendering, and verification.
Artificial Analysis Ranks Claude Opus 5.5 First in Tougher Coding Agent Index
A new coding agent leaderboard swaps in Cognition's FrontierCode benchmark and tightens Q&A grading, reshuffling the top of the charts.
Anthropic's Claude Proves 239 Open-Source Libraries Crash-Free, Exposing Fuzzing Blind Spots
Anthropic and Theorem used Claude to produce machine-checked no-crash proofs for 123 open-source libraries at the assembly level, uncovering long-latent bugs.
How to Add a Decision Model to Your Agentic Coding Workflow
A Claude Code fix passed 9 required tests and still returned the wrong title. One closed question after the tests picked the suite that caught it
Wes Bos Turns iPhone LiDAR Scans Into Editable Three.js Scenes
Wes Bos released an open-source toolkit that turns iPhone LiDAR scans into editable Three.js scenes through an AI coding agent workflow.
DeepSeek Harness Plugin Unlocks Free Models Without an API Key
A DSH plugin ships frontier models like DeepSeek V4.1 Flash and Kimi K3 inside the official agent harness with no login, key, or quota.
Recursive SI's Flint Runs a 40B Coding Model on Your Laptop
Recursive's first model is a 40B mixture-of-experts coder that activates just 2.5B parameters, runs on a MacBook, and was largely designed by an automated research agent.
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