playwright-browser-evaluate
To run JavaScript in the page context, evaluate an expression on the page or a specific element for inspection or manipulation.
Source facts
- Repository
- X-School-Academy/ai-dev-swarm
- Last source activity
- January 30, 2026 at 04:27
- Detected SKILL.md language
- English
- Stars
- 9
- Forks
- 3
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Source instructions · Read-only preview- name
- playwright-browser-evaluate
- description
- To run JavaScript in the page context, evaluate an expression on the page or a specific element for inspection or manipulation.
## Usage
Use the MCP tool `dev-swarm.request` to send the payload as a JSON string:
```json
{"server_id":"playwright","tool_name":"browser_evaluate","arguments":{}}
```
## Tool Description
Evaluate JavaScript expression on page or element
## Arguments Schema
The schema below describes the `arguments` object in the request payload.
```json
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"type": "object",
"properties": {
"function": {
"type": "string",
"description": "() => { /* code */ } or (element) => { /* code */ } when element is provided"
},
"element": {
"description": "Human-readable element description used to obtain permission to interact with the element",
"type": "string"
},
"ref": {
"description": "Exact target element reference from the page snapshot",
"type": "string"
}
},
"required": [
"function"
],
"additionalProperties": false
}
```
## Background Tasks
If the tool returns a task id, poll the task status via the MCP request tool:
```json
{"server_id":"playwright","method":"tasks/status","params":{"task_id":"<task_id>"}}
```
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