playwright_recover_all_sessions

THE RISK

Low Risk

Why playwright_recover_all_sessions needs a policy

This tool retrieves and restores previously saved browser session data from disk. It has no side effects beyond making existing session information available to the agent—it does not create, modify, or delete sessions. While it enables the agent to access session state, the action itself is purely informational/retrieval-based, fitting the Read category with low severity due to minimal blast radius.

From the tool's definition Tool name 'recover_all_sessions' and description 'Recover all persisted sessions from disk' indicate a retrieval operation. The verb 'recover' in this context means to load or restore existing data, not modify or delete it.

Documented attack patterns abuse exactly the kind of access playwright_recover_all_sessions gives an agent:

POLICY

How to control playwright_recover_all_sessions

PolicyLayer is an MCP gateway — it sits between your AI agents and RunAutomation MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for playwright_recover_all_sessions:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "playwright_recover_all_sessions": {}
  }
}

playwright_recover_all_sessions is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register RunAutomation MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

Related tools and policies

More RunAutomation MCP Server tools

Destructive clear_codegen_session Clear a code generation session without generating a test Destructive cleanup_idle_sessions Automatically close idle browser sessions that haven Destructive close_browser_session Close a specific browser session and cleanup all resources including browser instance, pag Destructive playwright_close Close the browser and release all resources Execute playwright_delete Perform an HTTP DELETE request Execute playwright_batch_ai_visual_compare Run batch AI visual comparisons across multiple pages Execute playwright_emulate_device Emulate a mobile device with specific viewport, user agent, and capabilities. Supports all Execute playwright_evaluate Execute JavaScript in the browser console

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Read tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about playwright_recover_all_sessions

What does the playwright_recover_all_sessions tool do? +

Recover all persisted sessions from disk. It is categorised as a Read tool in the RunAutomation MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on playwright_recover_all_sessions? +

Register the RunAutomation MCP Server MCP server in PolicyLayer and add a rule for playwright_recover_all_sessions: 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 RunAutomation MCP Server. Nothing to install.

What risk level is playwright_recover_all_sessions? +

playwright_recover_all_sessions is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit playwright_recover_all_sessions? +

Yes. Add a rate_limit block to the playwright_recover_all_sessions 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.

How do I block playwright_recover_all_sessions completely? +

Set action: deny in the PolicyLayer policy for playwright_recover_all_sessions. 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.

What MCP server provides playwright_recover_all_sessions? +

playwright_recover_all_sessions is provided by the RunAutomation MCP Server MCP server (tayyabakmal1/runautomation-mcpserver). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every RunAutomation MCP Server tool call.

Start from RunAutomation MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →