article_set_data · Voog MCP: Risk & Policy

WHAT IT DOES

What article_set_data does on Voog

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

WHY IT NEEDS A POLICY

Why article_set_data needs a policy

This tool creates or modifies article data reversibly. It updates a specific data field on an article via a PUT request, which is a standard write operation. The change is reversible (can be overwritten or deleted later), distinguishing it from Destructive actions.

From the tool's definition Tool description states 'Set a single article.data.<key> value (PUT /articles/{id}/data/{key})' — uses PUT HTTP method to modify article metadata/data attributes.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

article_set_data Rate-limited

article_set_data 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": {
    "article_set_data": {
      "limits": [
        {
          "counter": "article_set_data_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 Voog, so you can run agents against it safely.

FAQ

Questions about article_set_data

What does the article_set_data tool do? +

Set a single article.data.<key> value (PUT /articles/{id}/data/{key}). It is categorised as a Write tool in the Voog MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on article_set_data? +

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

What risk level is article_set_data? +

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

Can I rate-limit article_set_data? +

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

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

article_set_data is provided by the Voog MCP server (runnel/voog-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.