save_as_template · Nocobase MCP: Risk & Policy

WHAT IT DOES

What save_as_template does on Nocobase

AI agents use save_as_template to create or update resources in Nocobase — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Nocobase environment.

WHY IT NEEDS A POLICY

Why save_as_template needs a policy

This tool creates a reusable block template by persisting a UI schema node, which is a reversible write operation. It does not delete data (not Destructive), execute arbitrary code (not Execute), involve financial transactions (not Financial), or merely query data (not Read).

From the tool's definition Tool name 'save_as_template' and description 'Save an existing UI schema node as a reusable block template' indicates creating/storing a new template artifact.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

save_as_template Rate-limited

save_as_template 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": {
    "save_as_template": {
      "limits": [
        {
          "counter": "save_as_template_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 Nocobase, so you can run agents against it safely.

FAQ

Questions about save_as_template

What does the save_as_template tool do? +

Save an existing UI schema node as a reusable block template. It is categorised as a Write tool in the Nocobase MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on save_as_template? +

Register the Nocobase MCP server in PolicyLayer and add a rule for save_as_template: 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 Nocobase. Nothing to install.

What risk level is save_as_template? +

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

Can I rate-limit save_as_template? +

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

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

save_as_template is provided by the Nocobase MCP server (puguhsudarma/nocobase-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.