Tool Fill
Category: Browser Automation · Tier: All
Fill a form field with text. MUST pass _browserToken from previous tool call to interact with the same page.
When to Use
Browser automation tools map to human motor interaction research. Click accuracy, form filling speed, and scroll behavior follow HCI models.
Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
| selector | string | Yes | Input field to fill (name, placeholder, label, or selector) |
| value | string | Yes | Value to enter |
| verbose | boolean | No | Return available inputs on failure |
Example
Fill the email field with [email protected]
Tips
- Pass
_browserTokenfrom a previous tool call to maintain the same browser session - The tool returns a
_browserTokenin its response — pass it to subsequent calls - Without
_browserToken, each call gets a fresh browser (blank page)
Research
- Grossman & Balakrishnan (2005) — Probabilistic pointing models for click targets
- Fitts' Law — Movement time = a + b × log₂(D/W + 1)
Related
- Tools Overview — All 120 tools by category