Tools Reference
Agent Nine has built-in tools for working with your code, files, and services.
File Tools
| Tool | Description |
|---|---|
| Read | Read any file — text, PDF, images, Jupyter notebooks |
| Write | Create or overwrite a file (with secret scanning) |
| Edit | Replace exact text in a file (with undo support) |
| Glob | Find files by pattern (e.g. **/*.ts) |
| Grep | Search file contents with regex |
| LS | List directory contents |
Execution Tools
| Tool | Description |
|---|---|
| Bash | Run shell commands (Linux/macOS) |
| PowerShell | Run commands on Windows |
Web Tools
| Tool | Description |
|---|---|
| WebFetch | Fetch and read any URL |
| WebSearch | Search the web |
| Browser | Browse pages — navigate, screenshot, click, type |
Planning Tools
| Tool | Description |
|---|---|
| EnterPlanMode | Switch to read-only exploration mode |
| ExitPlanMode | Present plan and start implementing |
| VerifyPlan | Check that plan was executed correctly |
Agent Tools
| Tool | Description |
|---|---|
| Agent | Create a background agent for a task |
| SendMessage | Send a message to another agent or read inbox |
Task Tools
| Tool | Description |
|---|---|
| TaskCreate | Create a tracking task |
| TaskUpdate | Update task status |
| TaskList | List all tasks |
| TodoWrite | Write a todo list |
Other Tools
| Tool | Description |
|---|---|
| Notebook | Edit Jupyter notebook cells |
| Sleep | Wait for a specified time |
| Worktree | Create isolated git copy for safe experimentation |