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feat(exec): add shell command execution endpoint
2026-04-05 20:18:07 +02:00

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# API Reference (v0.1)
Base URL: `http://127.0.0.1:8123`
If `CLICKTHROUGH_TOKEN` is set, include header:
```http
x-clickthrough-token: <token>
```
## `GET /health`
Returns status and runtime safety flags, including `exec` capability config.
## `GET /screen`
Query params:
- `with_grid` (bool, default `true`)
- `grid_rows` (int, default env or `12`)
- `grid_cols` (int, default env or `12`)
- `include_labels` (bool, default `true`)
- `image_format` (`png`|`jpeg`, default `png`)
- `jpeg_quality` (1-100, default `85`)
- `asImage` (bool, default `false`) — if `true`, return raw image bytes only (`image/png` or `image/jpeg`)
Default response includes base64 image and metadata (`meta.region`, optional `meta.grid`).
## `POST /zoom`
Body:
```json
{
"center_x": 1200,
"center_y": 700,
"width": 500,
"height": 350,
"with_grid": true,
"grid_rows": 20,
"grid_cols": 20,
"include_labels": true,
"image_format": "png",
"jpeg_quality": 90
}
```
Query params:
- `asImage` (bool, default `false`) — if `true`, return raw image bytes only (`image/png` or `image/jpeg`)
Default response returns cropped image + region metadata in global pixel coordinates.
## `POST /action`
Body: one action.
### Pointer target modes
#### Pixel target
```json
{
"mode": "pixel",
"x": 100,
"y": 200,
"dx": 0,
"dy": 0
}
```
#### Grid target
```json
{
"mode": "grid",
"region_x": 0,
"region_y": 0,
"region_width": 1920,
"region_height": 1080,
"rows": 12,
"cols": 12,
"row": 5,
"col": 9,
"dx": 0.0,
"dy": 0.0
}
```
`dx`/`dy` are normalized offsets in `[-1, 1]` inside the selected cell.
### Action examples
Click:
```json
{
"action": "click",
"target": {
"mode": "grid",
"region_x": 0,
"region_y": 0,
"region_width": 1920,
"region_height": 1080,
"rows": 12,
"cols": 12,
"row": 7,
"col": 3,
"dx": 0.2,
"dy": -0.1
},
"clicks": 1,
"button": "left"
}
```
Scroll:
```json
{
"action": "scroll",
"target": {"mode": "pixel", "x": 1300, "y": 740},
"scroll_amount": -500
}
```
Type text:
```json
{
"action": "type",
"text": "hello world",
"interval_ms": 20
}
```
Hotkey:
```json
{
"action": "hotkey",
"keys": ["ctrl", "l"]
}
```
## `POST /exec`
Execute a shell command on the host running Clickthrough.
```json
{
"command": "Get-Process | Select-Object -First 5",
"shell": "powershell",
"timeout_s": 20,
"cwd": "C:/Users/Paul",
"dry_run": false
}
```
Notes:
- `shell` supports `powershell`, `bash`, `cmd`
- if `shell` is omitted, server uses `CLICKTHROUGH_EXEC_DEFAULT_SHELL`
- output is truncated based on `CLICKTHROUGH_EXEC_MAX_OUTPUT_CHARS`
- endpoint can be disabled with `CLICKTHROUGH_EXEC_ENABLED=false`
Response includes `stdout`, `stderr`, `exit_code`, timeout state, and execution metadata.
## `POST /batch`
Runs multiple `action` payloads sequentially.
```json
{
"actions": [
{"action": "move", "target": {"mode": "pixel", "x": 100, "y": 100}},
{"action": "click", "target": {"mode": "pixel", "x": 100, "y": 100}}
],
"stop_on_error": true
}
```