get_artifact
AI agents call get_artifact to retrieve information from MCP-Crawl4AI without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Despite the empty description, the tool's name and server context indicate it retrieves artifacts (likely extracted data or crawl results) rather than executing arbitrary operations, modifying data, or causing side effects. This aligns with the 'Read' category. Severity is low because artifact retrieval from a web crawling session poses minimal risk compared to destructive or financial operations.
From the tool's definition Tool is part of a web crawling/scraping server (Crawl4AI) alongside tools named 'crawl' and 'scrape'. The name 'get_artifact' suggests retrieval of previously extracted data.
Attacks that exploit this kind of access
get_artifact. It is categorised as a Read tool in the MCP-Crawl4AI MCP Server, which means it retrieves data without modifying state.
Register the MCP-Crawl4AI MCP server in PolicyLayer and add a rule for get_artifact: 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 MCP-Crawl4AI. Nothing to install.
get_artifact 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_artifact 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_artifact. 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_artifact is provided by the MCP-Crawl4AI MCP server (wyattowalsh/mcp-crawl4ai). 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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