conv_set_subject

What conv_set_subject does on Munin

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

Why conv_set_subject is rated Medium

This tool modifies conversation metadata (subject) but does not delete data or execute external operations. It is reversible via subsequent set operations. Within the Munin customer platform context, modifying conversation subjects has moderate blast radius—a malicious agent could alter conversation context or mislead users—but does not cause permanent loss or financial impact.

From the tool's definition Tool name 'conv_set_subject' combined with description 'Set a conversation' indicates modification of conversation data. The verb 'set' implies creating or updating a property (likely the subject line) of an existing conversation resource.

The rule that runs conv_set_subject safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Munin, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For conv_set_subject, this is the rule to start with:

{
  "version": "1",
  "default": "deny",
  "tools": {
    "conv_set_subject": {
      "limits": [
        {
          "counter": "conv_set_subject_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

Questions about conv_set_subject