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.
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Agents
A focused feed of models, agents, research and open-source releases for people building with AI.
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Johns Hopkins Finds Maximum AI Reasoning Effort Costs 42x and Solves Less
A new study shows cranking reasoning effort to maximum can cost 42x more, lose easy tasks, and nudge agents into shortcut behaviors like reading gold fixes.
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.
Nanjing University's AutoTavern Beats Top Hearthstone Players With 91% Decision Accuracy
An LLM research team built a Hearthstone Battlegrounds simulator and trained a reinforcement learning agent that beats the top 10 ranked humans on the live ladder.
Anthropic Lets Claude Code Run Hours-Long Jobs Without Dropping Them
Claude Code CLI now supports MCP Tasks for durable long-running jobs and Elicitations for mid-task user prompts, with other Claude products coming next.
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.
University of Exeter's AI Agent Masters Network Slicing Without a Single Reward Signal
A new framework lets language model agents master dynamic network control by reflecting on their own experience and self-finetuning, no reward engineering required.
Sakana AI's Aquarium Gives Enterprise Agents a Shared Brain for Business Rules
Sakana AI launches Aquarium, an ontology-based agent platform that unifies enterprise data, workflows, and governance for operational AI deployments.
xAI's Grok Reaches Into Your Phone's Calendar and Contacts
Grok's mobile apps gain on-device access to Calendar, Reminders, Contacts and other phone apps, moving it closer to a full assistant.
Securing AI Agents Takes Two Layers: the Tool Call and the Runtime
Prompt filters and borrowed human tokens don't hold up once agents reach production. Ory Agent Security splits the problem in two: authorize every tool call inside the agent loop, and give every deployed runtime its own machine identity.
AgnesAI Opens Agnes Harness to Deploy AI Agents in Customer Environments
AgnesAI Labs open-sourced a pluggable TypeScript runtime that lets agents share tools, tasks, and interfaces across CLI, Web, and physical devices.
Tencent's WorkForge Trains AI Agents on Real Files, Beating Models 15x Larger
Tencent and Fudan built 16,700 verifiable training environments from real files across 40 professional domains, lifting a 35B agent's GDPval score by 28 points.
Nous Research's Hermes Agent Now Builds 3D Models From Plain Text
Nous Research ships an official Meshy plugin for Hermes Agent, bringing text-to-3D, rigging, animation and 3D print prep straight into chat.
Nous Research's Hermes Agent Trained a Real Robot From a Single Prompt
Nous Research's open-source Hermes Agent anchored Jensen Huang's GTC Berlin finale, orchestrating a full sim-to-real training pipeline for a Microduck robot on an RTX Spark laptop.
Anthropic's Claude Duet Runs Your Work in the Background While You Sleep
Anthropic opens a waitlist for Claude Duet, a proactive agent built on Opus 5.5 that monitors your apps and messages you only when something needs you.
FrontierCS 2 Challenges AI Agents to Rebuild Missing Research Code
A new benchmark strips the key contribution from 48 research papers and asks AI agents to rebuild it well enough to beat the authors' own code.
OpenAI's GPT-Rosalind Mapped a Brain CRISPR Atlas in 32 Minutes
OpenAI, PerturbAI, and Scripps deployed thousands of GPT-Rosalind agents in parallel to mine brain-cell data and surface new drug leads in 32 minutes.
Mistral and NVIDIA Point Mistral Large 4 at Industrial Engineering Simulation
Mistral and NVIDIA are teaming up to accelerate physics simulation, publish open benchmarks for CAE and EDA, and validate agentic AI on real engineering tasks.
OpenAI Codex and Claude Co-Author a Real Particle Physics Paper
Two AI coding agents performed a full particle physics measurement on archived ALEPH data, from event selection to unfolding to writing the paper.
Browser Use's rl-env-use Lifts Qwen 3.6 Past Claude Opus for $8
Browser Use open-sourced a tool that mines real cases from the web to build RL environments, lifting Qwen 3.6 35B to Opus 5.5 level for $8.
humans& Trains Ampersand to Know When Staying Silent Helps Groups More
Humans& releases Ampersand v0.1, a 744B collaborator model trained with multi-month simulations and a new off-policy RL algorithm called CORO.
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