get_supported_file_formats
AI agents call get_supported_file_formats to retrieve information from Crawl4AI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool appears to query or return information about file format capabilities of the server—a non-destructive read operation. It has no ability to modify, delete, or execute external operations. The empty description lowers confidence slightly, but the naming convention and server context (document/content processing) make the Read classification clear. No blast radius if misused by an AI agent.
From the tool's definition Tool name 'get_supported_file_formats' indicates a query/information retrieval operation. The description is empty, but the name pattern (get_*) and context within a content extraction/crawling server strongly suggest this retrieves metadata about supported…
Attacks that exploit this kind of access
get_supported_file_formats. It is categorised as a Read tool in the Crawl4AI MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Crawl4AI MCP Server MCP server in PolicyLayer and add a rule for get_supported_file_formats: 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 Crawl4AI MCP Server. Nothing to install.
get_supported_file_formats 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_supported_file_formats 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_supported_file_formats. 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_supported_file_formats is provided by the Crawl4AI MCP Server MCP server (sruckh/crawl-mcp). 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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