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>"}}