List all lists and document libraries in the SharePoint site. Returns name, id, type (list / documentLibrary), item count, etc.
AI agents call list_lists to retrieve information from SharePoint 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 information about existing SharePoint lists and libraries without creating, modifying, or deleting any resources. It is a straightforward enumeration/discovery operation that has no side effects on the SharePoint environment.
From the tool's definition Tool name 'list_lists' and description 'List all lists and document libraries in the SharePoint site. Returns name, id, type (list / documentLibrary), item count, etc.' indicate retrieval of metadata with no modification or side effects.
Attacks that exploit this kind of access
List all lists and document libraries in the SharePoint site. Returns name, id, type (list / documentLibrary), item count, etc. It is categorised as a Read tool in the SharePoint MCP Server MCP Server, which means it retrieves data without modifying state.
Register the SharePoint MCP Server MCP server in PolicyLayer and add a rule for list_lists: 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 SharePoint MCP Server. Nothing to install.
list_lists 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_lists 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_lists. 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_lists is provided by the SharePoint MCP Server MCP server (lukassevcik/sharepoint-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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