Yukkai Wiki
Complete knowledge base for the first OS Agent on Mac. Everything you need to understand Yukkai's features, tools, and capabilities.
Featured
What is an Agent in Yukkai?
Learn what an agent is in Yukkai, how sub-agents work in isolated conversations, and how they form the building blocks of Swarm orchestration.
Workflow Engine
Execute declarative JSON workflows with 8 action types and an Agent-in-the-Middle supervisor.
Browser Capabilities
Built-in WebKit browser that navigates pages, fills forms, clicks elements, and extracts content.
What is DESIGN.md?
A design system file that defines visual identity tokens for frontend code generation.
FAQ Overview
Common questions about Yukkai, answered in plain language.
What is Yukkai?
Yukkai is the first intelligent macOS OS Agent — an autonomous agent that controls your Mac, browses the web, orchestrates sub-agents, and solves complex problems.
YukkaiConnect — GitHub, Slack, Notion & More
Connect Yukkai to your favorite services — GitHub, Slack, Notion, Trello, Linear, Asana, Gmail, and Google Drive — through a unified OAuth-powered plugin system.
HumanMemory — The 5-Layer Memory System
Yukkai doesn't just remember your last message — it builds a rich, layered understanding of who you are across five distinct memory layers.
Model Selector
The Yukkai model selector lets you choose from over 300 LLMs — including Yukkai's own Fusion, Frontier, Free, and Local options — with a personalized favorites list.
What is a Skill?
Skills are specialized knowledge modules that activate automatically based on project context, injecting domain expertise into Yukkai's system prompt.
Common Errors
Solutions to the most common Yukkai errors and issues.
Voice Mode (STT/TTS)
Talk to Yukkai using voice input and hear responses spoken aloud.
Yukkai Wallet
The Yukkai Wallet is the credit system tied to your Yukkai account key — it tracks your balance, usage across all Yukkai-billed services, and transaction history.
Swarm Orchestration
Swarm lets you coordinate dozens of agents in parallel — creating plans, dispatching tasks, and aggregating results.
Yukkai Fusion
Yukkai Fusion is a meta-model that automatically routes each message to the best underlying AI model for the task — the best all-around choice for everyday use at a lower cost.
Web Browsing
Native Apple WebKit browser with 42 actions — navigate, interact, extract content, fill forms, scrape, and automate web pages.
Desktop Automation
Control your Mac desktop — take screenshots, inspect UI elements, click, type, scroll, and manage apps via the Accessibility API.