Stripe's agent stack: MCP at mcp.stripe.com, installable skills, CLI plugins, token metering, and agentic commerce docs. GitHub repo is stripe/ai.

Deterministic shell hooks in Claude Code. Run commands on edit, stop, and permission events, plus optional prompt-based and HTTP hooks.

Claude Code skills are SKILL.md packages that extend the agent on demand. Custom slash commands merged into skills; follows the Agent Skills standard.

Specialized Claude Code workers with their own context, tools, and permissions. Use them so research and logs do not flood the main session.

ByteDance's consumer AI assistant. Chat, writing, coding, and Seedance video in one app. Official homepage currently offers Seedance 2.0 for free after login.

Manus is an action engine for slides, sites, design, research, and browser tasks. Official banner: it will soon operate as an independent company again.

ZCode is Z.ai's official Agentic Development Environment for GLM-5.2: a free desktop app where agents plan, edit, test, and iterate on 1M-token context.

Mac, Windows, and iOS launcher with 32+ models in OS-level chat. Launcher stays free; Pro AI is $8/month plus an advanced-model add-on.

MIT open-source coding agent for terminal, IDE, and desktop. 198k GitHub stars. Bring any model, or use free included models and Zen.

Replit Agent 4 builds apps, sites, decks, and mobile from plain language on a hosted workspace, with a visual canvas and parallel agents.

Google's source-grounded research notebook, now presented as Gemini Notebook at notebook.google. Analyzes your files and turns them into audio, video, and more.

Moonshot AI's Kimi assistant, now led by K3 for agentic coding, with 1M-token API context and K2.7/K2.6 models.

AWS coding assistant for IDE, CLI, and console. Free tier plus a $19/month Pro plan after the June 2026 rename.

Self-hosted AI gateway that sits in WhatsApp, Telegram, Discord, Slack, and more. MIT, ~176k GitHub stars, npm `openclaw`.

San Francisco lab behind ChatGPT and the GPT API. Current flagship is GPT-5.6 Sol; GPT-5.2 remains the previous frontier snapshot.

Microsoft's open-source browser automation library. Chromium, Firefox, and WebKit, plus agents and MCP in v1.58.

Moonshot terminal agent. K2.7 Code API is CNY, not unlimited $19 K2.