get-next-field-id · AL Object ID Ninja MCP Server MCP

WHAT IT DOES

What get-next-field-id does on AL Object ID Ninja MCP Server

AI agents call get-next-field-id to retrieve information from AL Object ID Ninja MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

Why get-next-field-id needs a policy

This tool performs a lookup or calculation to determine the next available field ID. It is purely informational—it reads existing allocations and returns a suggestion, with no side effects, reversible changes, code execution, or destructive operations. Similar sibling tools like 'get-assignment-history' and 'get-consumption-report' are also read-only queries in this ID management system.

From the tool's definition Tool name 'get-next-field-id' and description 'Get the next available field ID for a table' indicate a query operation that retrieves or suggests the next available ID without modifying any state.

Documented attack patterns abuse exactly the kind of access get-next-field-id gives an agent:

POLICY

How to control get-next-field-id

PolicyLayer is an MCP gateway — it sits between your AI agents and AL Object ID Ninja MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get-next-field-id:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get-next-field-id": {}
  }
}

get-next-field-id 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 AL Object ID Ninja 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.

CAP THIS TOOL →

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EXPLORE

Related tools and policies

More AL Object ID Ninja MCP Server tools

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All 26 AL Object ID Ninja MCP Server tools →

Read tools on other servers

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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.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get-next-field-id

What does the get-next-field-id tool do? +

Get the next available field ID for a table. It is categorised as a Read tool in the AL Object ID Ninja MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get-next-field-id? +

Register the AL Object ID Ninja MCP Server MCP server in PolicyLayer and add a rule for get-next-field-id: 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 AL Object ID Ninja MCP Server. Nothing to install.

What risk level is get-next-field-id? +

get-next-field-id is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get-next-field-id? +

Yes. Add a rate_limit block to the get-next-field-id 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-next-field-id completely? +

Set action: deny in the PolicyLayer policy for get-next-field-id. 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-next-field-id? +

get-next-field-id is provided by the AL Object ID Ninja MCP Server MCP server (sshadows/al-objid-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every AL Object ID Ninja MCP Server tool call.

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

CHECK YOUR STACK →

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26 AL Object ID Ninja MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.