Low Risk

get_html

Получить HTML содержимое страницы или элемента

How to control get_html ↓

What get_html does on Yandex Browser MCP Server

AI agents call get_html to retrieve information from Yandex Browser MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why get_html needs a policy

This tool retrieves and reads HTML content from a webpage or DOM element. It has no side effects, does not modify data, does not execute code, and does not trigger external operations. It is a pure read operation consistent with similar tools like 'get_text' and 'get_page_info' on the same server.

From the tool's definition Tool name 'get_html' and description 'Получить HTML содержимое страницы или элемента' (Get HTML content of page or element) indicates retrieval of page markup without modification.

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

How to control get_html

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

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_html": {}
  }
}

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

  1. Create a free account and register Yandex Browser MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about get_html

What does the get_html tool do? +

Получить HTML содержимое страницы или элемента. It is categorised as a Read tool in the Yandex Browser MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_html? +

Register the Yandex Browser MCP Server MCP server in PolicyLayer and add a rule for get_html: 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 Yandex Browser MCP Server. Nothing to install.

What risk level is get_html? +

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

Can I rate-limit get_html? +

Yes. Add a rate_limit block to the get_html 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_html completely? +

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

get_html is provided by the Yandex Browser MCP Server MCP server (t1trit/yandex-browser-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Yandex Browser MCP Server tool call.

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

Free to start. No card required.

18 Yandex Browser MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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