List all crawls saved in Screaming Frog's internal database.
AI agents call list_crawls to retrieve information from Screaming Frog SEO Spider MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns metadata about existing crawls without modifying, deleting, or executing any operations. It is a pure read operation that retrieves information from storage.
From the tool's definition Tool name 'list_crawls' and description 'List all crawls saved in Screaming Frog's internal database' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
List all crawls saved in Screaming Frog's internal database. It is categorised as a Read tool in the Screaming Frog SEO Spider MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Screaming Frog SEO Spider MCP Server MCP server in PolicyLayer and add a rule for list_crawls: 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 Screaming Frog SEO Spider MCP Server. Nothing to install.
list_crawls 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 list_crawls 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 list_crawls. 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.
list_crawls is provided by the Screaming Frog SEO Spider MCP Server MCP server (pypi:screaming-frog-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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