This record as markdown: /tools/io-github-portel-dev-ncp/scrape-page.md
What scrape_page does on Ncp
AI agents call scrape_page to retrieve information from Ncp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why scrape_page is rated Low
Web scraping is a read operation that fetches and returns page content. Severity is medium because it could be used to access sensitive or internal URLs, make outbound network requests, or bypass access controls depending on what URLs are targeted.
From the tool's definition 'Scrape web page content' — retrieves content from a web page with no indicated side effects
Attacks that exploit this kind of access
The rule that runs scrape_page safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Ncp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For scrape_page, this is the rule to start with:
scrape_page 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 Ncp, apply this rule, and every scrape_page call is checked against it from then on.
Questions about scrape_page
Scrape web page content. It is categorised as a Read tool in the Ncp MCP Server, which means it retrieves data without modifying state.
Register the Ncp MCP server in PolicyLayer and add a rule for scrape_page: 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 Ncp. Nothing to install.
scrape_page 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 scrape_page 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 scrape_page. 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.
scrape_page is provided by the Ncp MCP server (@portel/ncp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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