get_accessibility_snapshot

A read tool on the Playwright MCP server.

SERVERPlaywright MCP Server SOURCEalexrwilliam/playwright-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/alexrwilliam-playwright-mcp-server/get-accessibility-snapshot.md

WHAT IT DOES

What get_accessibility_snapshot does on Playwright MCP Server

AI agents call get_accessibility_snapshot to retrieve information from Playwright MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_accessibility_snapshot is rated Low

This tool retrieves accessibility metadata from the current page—a read-only extraction of page structure. It produces no side effects, does not modify DOM state, and returns information only. The absence of a description lowers confidence slightly, but the naming pattern and context clearly indicate a query/retrieval operation.

From the tool's definition Tool name 'get_accessibility_snapshot' indicates retrieval of accessibility tree/snapshot data from a webpage. No description provided, but 'get' and 'snapshot' are read-only operations.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_accessibility_snapshot safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Playwright MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_accessibility_snapshot, this is the rule to start with:

get_accessibility_snapshot Allowed

get_accessibility_snapshot is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Playwright MCP Server, apply this rule, and every get_accessibility_snapshot call is checked against it from then on.

FAQ

Questions about get_accessibility_snapshot

What does the get_accessibility_snapshot tool do? +

get_accessibility_snapshot is a read tool on the Playwright MCP Server MCP server. It is categorised as a Read tool in the Playwright MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_accessibility_snapshot? +

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

What risk level is get_accessibility_snapshot? +

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

Can I rate-limit get_accessibility_snapshot? +

Yes. Add a rate_limit block to the get_accessibility_snapshot 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 get_accessibility_snapshot completely? +

Set action: deny in the PolicyLayer policy for get_accessibility_snapshot. 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 get_accessibility_snapshot? +

get_accessibility_snapshot is provided by the Playwright MCP Server MCP server (alexrwilliam/playwright-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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