Assert MCP Server

@Pixel-Funnel

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基本信息

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其他

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stdio

作者

Pixel-Funnel

提交者

Grant Bajere

关于 Assert MCP Server

Run real Playwright E2E tests from your AI coding agent — no Playwright knowledge required. Describe what to test in plain English, Assert writes and executes the test against your live app, and reports back step-by-step results.

#mcp #playwright #testing #e2e #automation #qa #ai #typescript #nodejs #cli

Assert MCP Server 配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "assert": {
      "command": "npx",
      "args": [
        "-y",
        "@assert-click/mcp"
      ],
      "env": {
        "ASSERT_API_KEY": "your_api_key_here"
      }
    }
  }
}

Assert MCP Server 工具

List existing E2E test scenarios saved in Assert. Use this to audit coverage before generating new tests. Supports filtering by project and pagination.

Generate a ready-to-run E2E test scenario in Assert Markdown format from a plain-English description. Optionally save it to Assert for later execution.

Execute a test scenario and return a run ID. Accepts either a saved scenario_id or ad-hoc markdown. Runs are async — use assert_status to poll for completion.

Poll a test run for its current status and step-level results. Returns pass/fail with actionable failure details and screenshot URLs for failed steps.

概览

What is Assert?

Assert MCP connects your AI agent (Claude, Cursor, Windsurf) to the Assert testing platform, enabling test scenario generation from plain English, execution against live apps via Playwright, and pass/fail results with step-level details and screenshot URLs — all without writing test code.

How to use Assert?

Install the MCP server and configure it to use the provided tools: assert_list, assert_generate, assert_run, and assert_status. A free tier is available at assert.click. No Playwright knowledge is required.

Key features of Assert

Connect AI agents (Claude, Cursor, Windsurf) to the Assert testing platform.
Generate test scenarios from plain English descriptions.
Run tests against live applications using Playwright.
Receive pass/fail results with step-level details and screenshot URLs.
No test code required.
Free tier available at assert.click.

Use cases of Assert

QA teams generate test scenarios from plain English without coding.
Developers integrate AI agents to run tests against live apps.
Quickly obtain pass/fail results with screenshots for debugging.
Ad-hoc testing by describing a test in markdown.

常见问题

What tools does Assert MCP provide?

It provides `assert_list` to list saved scenarios, `assert_generate` to create a scenario from a description, `assert_run` to execute a scenario or ad-hoc test, and `assert_status` to poll for step-level results.

Do I need Playwright knowledge to use Assert?

No. Playwright runs in the background; you only describe tests in plain English or markdown.

Which AI agents are supported?

Assert MCP connects to Claude, Cursor, and Windsurf.

Is there a free tier for Assert?

Yes, a free tier is available at https://assert.click.

How do I get test results?

Use the `assert_status` tool to poll for step-level pass/fail results, including screenshot URLs.

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