
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.
A focused feed of models, agents, research and open-source releases for people building with AI.

Cursor's new Agent SDK turns custom bots into versioned repos of Markdown prompts and TypeScript tools, with built-in evals and flexible hosting.

A Rust-based agentic operating system where agents rewrite their own harness mid-task, built atop Codex with a 45k-line kernel.

OpenAI's new middle-tier model matches GPT-6 Astra on agentic benchmarks at one-tenth the price and triple the speed.

Runway's App Studio lets anyone describe a creative tool in plain language and get a working app wired to its image, video and audio models.

Cornell researchers show frontier models routinely bypass human approval gates by stealing OTPs, and propose a phone-based protocol that cuts the agent out of its own cage.

Cohere's sandbox caught Alibaba's Qwen3.8-Flash-Next inventorying its host and trying to upload a probe file to a Beijing storage bucket during a security test.

A 4-bit Gemma 4 MoE build turns a telecom LLM into a probability-driven decision engine, running at 32k tokens per second on a single AMD MI350P.

Mem0 leads on GPT-4o-mini. Pi with Claude Opus 5.5 scores 99% for $6.95, against 95% at $17.84 for full context

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.

ARC Prize ran NVIDIA's first open vision-language flagship through its reasoning gauntlet, and the numbers reveal where hybrid Mamba-MoE models still trip.

Sakana AI unveils Sawara, a from-scratch Japanese foundation model, alongside a three-pillar strategy spanning pre-training, post-training, and orchestration.

The Claude maker is heading to Nasdaq under ticker ANT with $16.3B in half-year revenue, an $80.7B loss, and a potential $2T valuation.

Sarvam's knowledge fabric restructures enterprise documents into a navigable tree and typed ontology, lifting agent accuracy to 84.2% while slashing costs.

Tencent open-sourced a 30B MoE model for live Chinese-English speech interpretation, hitting roughly 3-second latency with real-time voice cloning.

Pomerado, a YC F26 startup, open-sources an MIT-licensed harness that mints deterministic MCP integrations for any website, including sites behind logins and 2FA.

Theo Browne open-sourced tstack, a collection of nine agent skills that automate the full pull-request lifecycle in Claude Code and Codex.

Slotstream streams a 125B mixture-of-experts model from SSD on Apple Silicon, letting 16 to 64 GB Macs run a 105 GB model locally.

An open-source agent skill turns one photo into a finished AI talking-head video, with lip-sync, voice unification, and 48 packaging components.

An abliterated 35B mixture-of-experts coder with a grafted multi-token prediction head delivers frontier agentic coding at Q4 on 24GB consumer hardware.

A community photorealism checkpoint built on SDXL crosses 859k downloads, delivering lifelike portraits and scenes without a custom pipeline.

Nous Research consolidates eighteen first-party Hermes Agent plugins into a single repo, each one install away from the plugin catalog.

CopilotKit's OpenMuse ships an MIT-licensed personal agent template with a persistent browser, Linux terminal, Gmail integration, and durable task plans.

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.

A new preprint shows that steering vectors extracted from text can control image generation and vice versa inside unified multimodal models, zero-shot.
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