MCP-Midscene

midscene_aiAssert

Monitors and validates specified conditions on web pages using natural language via AI-powered polling, ensuring accurate assertions in test automation workflows with Playwright.

Instructions

Asserts that a specified condition, described in natural language, is true on the page. Polls the condition using AI.

Input Schema

Name	Required	Description	Default
`assertion`	Yes	Condition to monitor on the page, described in natural language.

Input Schema (JSON Schema)

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "properties": {
    "assertion": {
      "description": "Condition to monitor on the page, described in natural language.",
      "type": "string"
    }
  },
  "required": [
    "assertion"
  ],
  "type": "object"
}

Install Server

HTTP connection URL

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