get_autonumber_column

THE RISK

Low Risk

Why get_autonumber_column needs a policy

This tool performs a read-only query to fetch schema metadata about an existing AutoNumber column. It retrieves and returns configuration details without creating, modifying, deleting, or executing operations. The blast radius is minimal since misuse only exposes existing column metadata rather than causing data loss or unauthorized changes.

From the tool's definition Tool name 'get_autonumber_column' and description 'Retrieves detailed information about an AutoNumber column' indicate a retrieval operation with no modification or side effects.

Documented attack patterns abuse exactly the kind of access get_autonumber_column gives an agent:

POLICY

How to control get_autonumber_column

PolicyLayer is an MCP gateway — it sits between your AI agents and Dataverse MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_autonumber_column:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_autonumber_column": {}
  }
}

get_autonumber_column is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Dataverse MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
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FAQ

Questions about get_autonumber_column

What does the get_autonumber_column tool do? +

Retrieves detailed information about an AutoNumber column including its current format, properties, and configuration. It is categorised as a Read tool in the Dataverse MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_autonumber_column? +

Register the Dataverse MCP Server MCP server in PolicyLayer and add a rule for get_autonumber_column: 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 Dataverse MCP Server. Nothing to install.

What risk level is get_autonumber_column? +

get_autonumber_column is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_autonumber_column? +

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

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

get_autonumber_column is provided by the Dataverse MCP Server MCP server (mwhesse/dataverse-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Dataverse MCP Server tool call.

Start from Dataverse MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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