AI Dev News Digest - Nov 22nd, 2025
This week felt like the industry collectively decided to ship everything at once. Google dropped Gemini 3 with a coding platform called Antigravity, Microsoft used Ignite to roll out an entire suite of agent management tools, and then the headline everyone was talking about: Microsoft and NVIDIA tea…

New AI Tools for Nov 22
Sweep AI
3dAI copilot and autocomplete plugin for JetBrains IDEs that provides context-aware code suggestions, an agent for multi-file changes, test runs, and error detection.
CodePeer
3dAI-assisted code review platform that integrates with GitHub to streamline pull request reviews, surface actionable feedback, and track reviewer progress.
Macroscope analyzes codebases to summarize activity, generate PR descriptions, and surface high-signal code-review findings so engineering teams can find bugs and ship faster.
Ellipsis
3dEllipsis is an AI software engineer that reviews pull requests, proposes and applies bug fixes, summarizes code changes, and answers developer questions via a web app integrated with GitHub and Slack.
New AI Tools
Public leaderboards and benchmark site that publishes verifiable evaluations, scores, and performance metrics for large language models and AI providers.
SciArena
4dOpen evaluation platform from the Allen Institute for AI where researchers compare and rank foundation models on scientific literature tasks using head-to-head, literature-grounded responses.
AI-powered automated testing platform that generates test cases, executes tests, and maintains test documentation.
Mercor
6dMercor is a web marketplace that connects companies with remote AI and human data experts for labeling, evaluation, and specialist contract roles.
WorkOS MCP
10dWorkOS MCP is an OAuth 2.1 authorization server for securing Model Context Protocol servers, providing dynamic client registration, PKCE, JWT verification, and token management for AI agents—plus enterprise SSO, directory sync, and admin tooling.
assistant-ui
10dTypeScript/React library that provides customizable chat UI components and an optional managed backend to build and deploy conversational AI applications.
Giga AI
10dContext-engineering platform that analyzes codebases to generate project-level context and rules so AI coding assistants produce accurate, project-aligned code.
A web-hosted ML model registry from Cloudsmith for storing, versioning, and managing machine learning models and related artifacts with API access.
AI-powered app generator inside Webflow that turns natural language prompts and your site’s design system into full-stack web apps deployed on Webflow Cloud.