update_list_item

A write tool on the Sharepoint MCP server.

SERVERSharepoint SOURCEdemodorigatsuo/sharepoint-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/demodorigatsuo-sharepoint-mcp/update-list-item.md

WHAT IT DOES

What update_list_item does on Sharepoint

AI agents use update_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.

RISK

Why update_list_item is rated Medium

The tool updates existing list items in SharePoint, which is a reversible data modification operation. This falls under the Write category rather than Execute or Destructive because it modifies data non-destructively. Severity is medium because unintended updates could corrupt business data in SharePoint lists, but the change is reversible.

From the tool's definition Tool name is 'update_list_item' which explicitly performs a modification operation. Description is empty, but the name and context of sibling tools (all CRUD operations on SharePoint lists and documents) clearly indicate this creates or modifies data in…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs update_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 update_list_item, this is the rule to start with:

update_list_item Rate-limited

update_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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "update_list_item": {
      "limits": [
        {
          "counter": "update_list_item_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Sharepoint, apply this rule, and every update_list_item call is checked against it from then on.

FAQ

Questions about update_list_item

What does the update_list_item tool do? +

update_list_item is a write tool on the Sharepoint MCP server. 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.

How do I enforce a policy on update_list_item? +

Register the Sharepoint MCP server in PolicyLayer and add a rule for update_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.

What risk level is update_list_item? +

update_list_item is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit update_list_item? +

Yes. Add a rate_limit block to the update_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.

How do I block update_list_item completely? +

Set action: deny in the PolicyLayer policy for update_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.

What MCP server provides update_list_item? +

update_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.

KEEP EXPLORING

More on Sharepoint, and thousands of servers like it.

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All 18 Sharepoint tools →

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Guides

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