updatePositionHierarchy

WHAT IT DOES

What updatePositionHierarchy does on Dynamics 365 Finance & Operations MCP Server

AI agents use updatePositionHierarchy to create or update resources in Dynamics 365 Finance & Operations MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Dynamics 365 Finance & Operations MCP Server environment.

WHY IT NEEDS A POLICY

Why updatePositionHierarchy needs a policy

This tool modifies organizational position hierarchy data, which is a reversible write operation. The change can typically be undone by updating the position again with different values. It is not destructive (no deletion), not financial (no money movement), and not execute (no arbitrary code/command execution).

From the tool's definition Tool name is 'updatePositionHierarchy' and description states it 'Updates a position in PositionHierarchies.' The verb 'Updates' and the action of modifying organizational hierarchy data indicates a write operation that creates or modifies data reversibly.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

updatePositionHierarchy Rate-limited

updatePositionHierarchy 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": {
    "updatePositionHierarchy": {
      "limits": [
        {
          "counter": "updatepositionhierarchy_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Dynamics 365 Finance & Operations MCP Server, so you can run agents against it safely.

FAQ

Questions about updatePositionHierarchy

What does the updatePositionHierarchy tool do? +

Updates a position in PositionHierarchies. It is categorised as a Write tool in the Dynamics 365 Finance & Operations MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on updatePositionHierarchy? +

Register the Dynamics 365 Finance & Operations MCP Server MCP server in PolicyLayer and add a rule for updatePositionHierarchy: 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 Dynamics 365 Finance & Operations MCP Server. Nothing to install.

What risk level is updatePositionHierarchy? +

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

Can I rate-limit updatePositionHierarchy? +

Yes. Add a rate_limit block to the updatePositionHierarchy 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 updatePositionHierarchy completely? +

Set action: deny in the PolicyLayer policy for updatePositionHierarchy. 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 updatePositionHierarchy? +

updatePositionHierarchy is provided by the Dynamics 365 Finance & Operations MCP Server MCP server (sahib-sawhney-wh/fno-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.