set_presence · Evolution API MCP Server MCP: Risk & Policy

WHAT IT DOES

What set_presence does on Evolution API MCP Server

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

WHY IT NEEDS A POLICY

Why set_presence needs a policy

Based on the tool name and server context, 'set_presence' likely sets the user's presence/availability status on WhatsApp (e.g., online, offline, typing). This is a Write operation as it modifies state on the platform. Confidence is lowered due to the empty description providing no confirmatory detail.

From the tool's definition Tool name 'set_presence' on a WhatsApp integration server; description is empty and uninformative.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_presence Rate-limited

set_presence 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": {
    "set_presence": {
      "limits": [
        {
          "counter": "set_presence_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 Evolution API MCP Server, so you can run agents against it safely.

FAQ

Questions about set_presence

What does the set_presence tool do? +

set_presence. It is categorised as a Write tool in the Evolution API 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 set_presence? +

Register the Evolution API MCP Server MCP server in PolicyLayer and add a rule for set_presence: 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 Evolution API MCP Server. Nothing to install.

What risk level is set_presence? +

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

Can I rate-limit set_presence? +

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

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

set_presence is provided by the Evolution API MCP Server MCP server (pablobispo/evoapi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.