Agent NineAI Coding Assistant

Your AI agent — anywhere you work. Desktop and web.

Chat & Code Modes

Chat mode for quick questions via cloud. Code mode for hands-on coding with full file system access.

Read, write, edit files. Run bash and PowerShell. Search code. Browse the web. Manage tasks and plans.

Connect GitHub, Google Drive, Gmail, Slack, Notion, Linear, Figma, Vercel, Sentry, Jira — one click OAuth setup.

Agent Nine remembers key decisions and context. Long conversations are compacted automatically without losing important information.

Native desktop app (Windows, macOS, Linux) with full local access, or use the web app from any browser.

Dangerous commands are blocked automatically. Credentials are detected and won't be written to files. Permission control for every action.

11 integrations — Jira added alongside GitHub, Slack, Notion, and more
Effort levels — Agent Nine automatically adjusts thinking depth (min to max)
Background agents — parallel task execution with agent teams and messaging
Voice input — speak instead of typing, real-time transcription
Security — 3-layer command protection with injection detection
Plan mode — structured planning before implementation
Custom MCP — connect any MCP-compatible tool