Generate a self-contained HTML or JSON report file for a test run. HTML includes inline styles, base64 screenshots, collapsible per-test sections.
AI agents use e2e_generate_report to create or update resources in Playwright Autopilot — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Playwright Autopilot environment.
The tool creates new report files (HTML or JSON) as output artifacts from test runs. This is a write operation—it creates data reversibly without destructive side effects, code execution, or financial impact. The reports are test artifacts generated from already-executed tests, not triggering new test execution.
From the tool's definition Tool generates and creates report files ('Generate a self-contained HTML or JSON report file'). This is a file creation operation that modifies the filesystem by writing new data artifacts.
Documented attack patterns abuse exactly the kind of access e2e_generate_report gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Playwright Autopilot, and nothing reaches the server without passing your rules. This is the rule we recommend for e2e_generate_report:
{
"version": "1",
"default": "deny",
"tools": {
"e2e_generate_report": {
"limits": [
{
"counter": "e2e_generate_report_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}e2e_generate_report stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
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Generate a self-contained HTML or JSON report file for a test run. HTML includes inline styles, base64 screenshots, collapsible per-test sections. It is categorised as a Write tool in the Playwright Autopilot MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Playwright Autopilot MCP server in PolicyLayer and add a rule for e2e_generate_report: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Playwright Autopilot. Nothing to install.
e2e_generate_report is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the e2e_generate_report rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for e2e_generate_report. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
e2e_generate_report is provided by the Playwright Autopilot MCP server (kaizen-yutani/playwright-autopilot). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Playwright Autopilot, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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51 Playwright Autopilot tools catalogued and risk-classified — across an index of 43,000+ MCP servers.