Chạy Katana crawl từ file chứa danh sách URLs
AI agents call katana_crawl_from_file to retrieve information from Katana MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and extracts data (endpoints, hidden resources, JavaScript files) from websites without modifying or deleting anything on the target systems. It is fundamentally a Read operation—passive information gathering.
From the tool's definition Tool performs web crawling and reconnaissance on URLs from a file input, discovering endpoints and resources. Description states 'Chạy Katana crawl từ file chứa danh sách URLs' (Run Katana crawl from file containing list of URLs).
Attacks that exploit this kind of access
Chạy Katana crawl từ file chứa danh sách URLs. It is categorised as a Read tool in the Katana MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Katana MCP Server MCP server in PolicyLayer and add a rule for katana_crawl_from_file: 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 Katana MCP Server. Nothing to install.
katana_crawl_from_file 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 katana_crawl_from_file 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 katana_crawl_from_file. 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.
katana_crawl_from_file is provided by the Katana MCP Server MCP server (ngothienan/katana-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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