Concurrent Browser MCP

browser_evaluate

Execute client-side JavaScript within a webpage context using a concurrent MCP server. Supports multiple browser instances for efficient script evaluation.

Instructions

Execute JavaScript code in the page context

Input Schema

Name	Required	Description	Default
`instanceId`	Yes	Instance ID
`script`	Yes	JavaScript code to execute

Input Schema (JSON Schema)

{
  "properties": {
    "instanceId": {
      "description": "Instance ID",
      "type": "string"
    },
    "script": {
      "description": "JavaScript code to execute",
      "type": "string"
    }
  },
  "required": [
    "instanceId",
    "script"
  ],
  "type": "object"
}

This server cannot be installed

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