update-publication · Paragraph MCP: Risk & Policy

WHAT IT DOES

What update-publication does on Paragraph MCP

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

WHY IT NEEDS A POLICY

Why update-publication needs a policy

This tool modifies publication configuration/settings in a reversible manner without deleting data or executing arbitrary code. While it has significant blast radius (publication settings like appearance, metadata, or access controls could be altered), the changes are not destructive and can be undone.

From the tool's definition Tool name is 'update-publication' and description states it performs an 'Update' operation on publication settings.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update-publication Rate-limited

update-publication 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": {
    "update-publication": {
      "limits": [
        {
          "counter": "update-publication_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 Paragraph MCP, so you can run agents against it safely.

FAQ

Questions about update-publication

What does the update-publication tool do? +

Update settings for the publication associated with the API key. Only provided fields are updated — omit any field you don. It is categorised as a Write tool in the Paragraph MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update-publication? +

Register the Paragraph MCP server in PolicyLayer and add a rule for update-publication: 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 Paragraph MCP. Nothing to install.

What risk level is update-publication? +

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

Can I rate-limit update-publication? +

Yes. Add a rate_limit block to the update-publication 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 update-publication completely? +

Set action: deny in the PolicyLayer policy for update-publication. 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 update-publication? +

update-publication is provided by the Paragraph MCP server (paragraph-xyz/paragraph-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.