create_list_item
Create a new item in a SharePoint list.
This record as markdown: /tools/demodorigatsuo-sharepoint-mcp/create-list-item.md
What create_list_item does on Sharepoint
AI agents use create_list_item to create or update resources in Sharepoint, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Sharepoint environment.
Why create_list_item is rated Medium
This tool creates new records in a SharePoint list, which is a reversible write operation. It does not delete, execute code, or transfer funds. The severity is medium because unauthorized item creation could pollute business data and affect downstream processes, but the impact is typically contained to a single list and reversible through deletion.
From the tool's definition Tool name 'create_list_item' and description 'Create a new item in a SharePoint list' explicitly indicate data creation that modifies list state.
Attacks that exploit this kind of access
The rule that runs create_list_item safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Sharepoint, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_list_item, this is the rule to start with:
create_list_item stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Sharepoint, apply this rule, and every create_list_item call is checked against it from then on.
Questions about create_list_item
Create a new item in a SharePoint list. It is categorised as a Write tool in the Sharepoint MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Sharepoint MCP server in PolicyLayer and add a rule for create_list_item: 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. Nothing to install.
create_list_item is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the create_list_item 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 create_list_item. 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.
create_list_item is provided by the Sharepoint MCP server (demodorigatsuo/sharepoint-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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