Extract all links from the current page with their text and URLs.
AI agents call crow_browser_extract_links to retrieve information from Crow without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs information retrieval only. It extracts existing link data from a webpage without side effects, state changes, or external operations. While browser context is involved, the action is passive data collection, fitting the Read category. Severity is low because exposure of link extraction poses minimal risk—it cannot modify data, execute arbitrary code, or cause destructive outcomes.
From the tool's definition Tool description states 'Extract all links from the current page with their text and URLs' - this is a retrieval operation that queries the DOM for link information without modifying, deleting, or executing any code.
Documented attack patterns abuse exactly the kind of access crow_browser_extract_links gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Crow, and nothing reaches the server without passing your rules. This is the rule we recommend for crow_browser_extract_links:
{
"version": "1",
"default": "deny",
"tools": {
"crow_browser_extract_links": {}
}
}crow_browser_extract_links is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Extract all links from the current page with their text and URLs. It is categorised as a Read tool in the Crow MCP Server, which means it retrieves data without modifying state.
Register the Crow MCP server in PolicyLayer and add a rule for crow_browser_extract_links: 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 Crow. Nothing to install.
crow_browser_extract_links 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 crow_browser_extract_links 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 crow_browser_extract_links. 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.
crow_browser_extract_links is provided by the Crow MCP server (kh0pper/crow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Crow, 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.
576 Crow tools catalogued and risk-classified — across an index of 43,000+ MCP servers.