create_article · SparrowDesk MCP: Risk & Policy

WHAT IT DOES

What create_article does on SparrowDesk

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

WHY IT NEEDS A POLICY

Why create_article needs a policy

This tool creates new knowledge base articles, which is a Write operation that modifies the system's data store by adding new content. While reversible through deletion, the creation of public-facing KB articles could spread misinformation or inappropriate content if an AI agent misuses the parameters.

From the tool's definition Tool name is 'create_article' and description states 'Create a KB article (draft)' which indicates content creation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_article Rate-limited

create_article 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": {
    "create_article": {
      "limits": [
        {
          "counter": "create_article_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 SparrowDesk, so you can run agents against it safely.

FAQ

Questions about create_article

What does the create_article tool do? +

Create a KB article (draft). Set publish true with collectionId and isPublic to publish in one step. It is categorised as a Write tool in the SparrowDesk MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_article? +

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

What risk level is create_article? +

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

Can I rate-limit create_article? +

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

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

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