update_sticky · tldraw MCP Server MCP: Risk & Policy

WHAT IT DOES

What update_sticky does on tldraw MCP Server

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

WHY IT NEEDS A POLICY

Why update_sticky needs a policy

This tool modifies properties of an existing sticky note element but does not delete, execute arbitrary operations, or cause financial impact. The changes are reversible—content and styling can be changed again.

From the tool's definition Tool description: 'Update the content or styling of an existing sticky note.' The verb 'update' indicates modification of existing data (content or styling) on a reversible basis.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_sticky Rate-limited

update_sticky 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_sticky": {
      "limits": [
        {
          "counter": "update_sticky_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 tldraw MCP Server, so you can run agents against it safely.

FAQ

Questions about update_sticky

What does the update_sticky tool do? +

Update the content or styling of an existing sticky note. It is categorised as a Write tool in the tldraw MCP Server 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_sticky? +

Register the tldraw MCP Server MCP server in PolicyLayer and add a rule for update_sticky: 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 tldraw MCP Server. Nothing to install.

What risk level is update_sticky? +

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

Can I rate-limit update_sticky? +

Yes. Add a rate_limit block to the update_sticky 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_sticky completely? +

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

update_sticky is provided by the tldraw MCP Server MCP server (mihai-codes/tldraw-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.