Check if accessibility permissions are properly configured.
AI agents call check_accessibility_permissions to retrieve information from Playwright MCP for macOS without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and reports on the current state of accessibility permissions without modifying system settings or triggering actions. It is purely informational. While it accesses system state, this is a benign read operation with minimal blast radius if misused.
From the tool's definition Tool is named 'check_accessibility_permissions' and description states it 'Check if accessibility permissions are properly configured.' The verb 'check' and 'configured' indicate a query/inspection operation with no modification or side effects.
Documented attack patterns abuse exactly the kind of access check_accessibility_permissions gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Playwright MCP for macOS, and nothing reaches the server without passing your rules. This is the rule we recommend for check_accessibility_permissions:
{
"version": "1",
"default": "deny",
"tools": {
"check_accessibility_permissions": {}
}
}check_accessibility_permissions is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Check if accessibility permissions are properly configured. It is categorised as a Read tool in the Playwright MCP for macOS MCP Server, which means it retrieves data without modifying state.
Register the Playwright MCP for macOS MCP server in PolicyLayer and add a rule for check_accessibility_permissions: 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 MCP for macOS. Nothing to install.
check_accessibility_permissions is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the check_accessibility_permissions 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 check_accessibility_permissions. 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.
check_accessibility_permissions is provided by the Playwright MCP for macOS MCP server (mb-dev/macos-ui-automation-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Playwright MCP for macOS, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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9 Playwright MCP for macOS tools catalogued and risk-classified — across an index of 43,000+ MCP servers.