browser_extract_text
Extract visible text from a selector (default body).
This record as markdown: /tools/yuga-hashimoto-localant/browser-extract-text.md
What browser_extract_text does on LocalAnt
AI agents call browser_extract_text to retrieve information from LocalAnt without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why browser_extract_text is rated Low
This tool retrieves text content from web pages without creating, modifying, deleting, or executing code. It has no side effects and poses minimal risk—an AI agent using it could extract sensitive information visible on screen, but cannot alter, delete, or execute operations. The impact is limited to information disclosure of already-visible content.
From the tool's definition Tool name 'browser_extract_text' and description 'Extract visible text from a selector (default body)' indicates retrieval of rendered content without modification.
Attacks that exploit this kind of access
The rule that runs browser_extract_text safely
PolicyLayer is an MCP gateway: it sits between your AI agents and LocalAnt, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For browser_extract_text, this is the rule to start with:
browser_extract_text is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect LocalAnt, apply this rule, and every browser_extract_text call is checked against it from then on.
Questions about browser_extract_text
Extract visible text from a selector (default body). It is categorised as a Read tool in the LocalAnt MCP Server, which means it retrieves data without modifying state.
Register the LocalAnt MCP server in PolicyLayer and add a rule for browser_extract_text: 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 LocalAnt. Nothing to install.
browser_extract_text 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 browser_extract_text 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 browser_extract_text. 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.
browser_extract_text is provided by the LocalAnt MCP server (yuga-hashimoto/localant). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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