Get a list of URLs with sorting, pagination, and filtering options
AI agents call list_urls to retrieve information from YOURLS-MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries existing URL data from the YOURLS database and returns results based on filter, sort, and pagination parameters. It has no side effects—it does not create, modify, delete, or execute any operations. It simply retrieves information.
From the tool's definition Tool name 'list_urls' and description 'Get a list of URLs with sorting, pagination, and filtering options' indicate pure data retrieval with no modification or deletion capability. The verbs 'get' and 'list' are read-only operations.
Attacks that exploit this kind of access
Get a list of URLs with sorting, pagination, and filtering options. It is categorised as a Read tool in the YOURLS-MCP MCP Server, which means it retrieves data without modifying state.
Register the YOURLS- MCP server in PolicyLayer and add a rule for list_urls: 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 YOURLS-MCP. Nothing to install.
list_urls 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_urls 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_urls. 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_urls is provided by the YOURLS- MCP server (kesslerio/yourls-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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