Get the HTML source of a browser tab. By default returns the full page outerHTML.
AI agents call get_html to retrieve information from Chrome Extension MCP Bridge without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves page structure and content without side effects. It is a passive inspection operation analogous to viewing page source in browser developer tools. No data is modified, deleted, or executed. The only potential concern is information disclosure if sensitive data is embedded in HTML, but that is a read-only access pattern, not a write, execute, or destructive operation.
From the tool's definition Tool name 'get_html' and description 'Get the HTML source of a browser tab' indicates retrieval of page content with no modification or execution of code. Returns outerHTML as read-only data.
Attacks that exploit this kind of access
Get the HTML source of a browser tab. By default returns the full page outerHTML. It is categorised as a Read tool in the Chrome Extension MCP Bridge MCP Server, which means it retrieves data without modifying state.
Register the Chrome Extension MCP Bridge 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 Chrome Extension MCP Bridge. Nothing to install.
get_html 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 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.
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.
get_html is provided by the Chrome Extension MCP Bridge MCP server (ivoglent/chrome-mcp-bridge). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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