> ## Documentation Index
> Fetch the complete documentation index at: https://humboldt.metaphi.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# In a session

> `/help` shows this list in the terminal.

## Slash commands

| Command                                                           | Description                                                                                                         |
| ----------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------- |
| `/diff`, `/diff last`, `/diff <path>`                             | Changes since the session began, the last exchange, or one file                                                     |
| `/rewind`                                                         | Restore files, conversation, or both, to an earlier point                                                           |
| `/accept [<why>]`, `/reject [<why>]`                              | Your word on the work as it stands, recorded against the state it is in                                             |
| `/goal <objective>`, `/goal pause`, `/goal resume`, `/goal clear` | The goal it keeps working toward on its own; `/goal` alone shows where it stands                                    |
| `/compact [<what to keep>]`                                       | Summarise and restart the context                                                                                   |
| `/model [<name>]`                                                 | List or switch models                                                                                               |
| `/reasoning [<level>]`                                            | How hard the model thinks, whatever the model: low, medium, high. Enter keeps it for new sessions, `s` for this one |
| `/cost`                                                           | Tokens and cost so far                                                                                              |
| `/usage-credits`                                                  | Balance and the credits page                                                                                        |
| `/approve`                                                        | Toggle: every change waits for you                                                                                  |
| `/continue`                                                       | Carry on after a pause                                                                                              |
| `/image <path>`                                                   | Attach an image to the next message                                                                                 |
| `/mcp`                                                            | MCP servers and what mounted                                                                                        |
| `/tools`                                                          | Tools and the sandbox they run in                                                                                   |
| `/hooks`                                                          | Hooks in scope                                                                                                      |
| `/permissions`                                                    | Rules in force                                                                                                      |
| `/resume`                                                         | Switch to another session                                                                                           |
| `/help`                                                           | This list                                                                                                           |
| `/quit`                                                           | Leave; the session keeps running                                                                                    |
| `/stop`                                                           | End the session                                                                                                     |

## Keys

| Key               | Description                         |
| ----------------- | ----------------------------------- |
| Type              | Steer the model mid-turn            |
| `!cmd`            | Run a shell command yourself        |
| `esc`             | Stop the turn, keep the work        |
| `esc esc`         | Rewind picker (while idle)          |
| `ctrl+o`          | Full output of the last tool result |
| `ctrl+v`          | Paste a screenshot                  |
| `ctrl+c` `ctrl+c` | Leave; the session keeps running    |

## Approval panel

| Key     | Description                      |
| ------- | -------------------------------- |
| `enter` | Approve once                     |
| `a`     | Allow this shape for the session |
| `p`     | Write the rule to the project    |
| Type    | Refuse with a reason             |

## Questions

| Key      | Description                                                                                                                                                                               |
| -------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Number   | Pick an option                                                                                                                                                                            |
| Type     | Answer                                                                                                                                                                                    |
| `enter`  | Default                                                                                                                                                                                   |
| Delivery | When an exchange ends having written files, hum asks whether you would merge it as it stands and why; the answer is recorded against that state, and the model is not told you were asked |

## Turn line

After each exchange: time taken, cost, and time to first response.