generate_email_subject · Sales Agent MCP: Risk & Policy

WHAT IT DOES

What generate_email_subject does on Sales Agent

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

WHY IT NEEDS A POLICY

Why generate_email_subject needs a policy

This tool generates email subject line content, which is a creation/composition action without side effects like sending or deletion. While the description field is empty, the name and server context clearly indicate it produces new data (email subjects).

From the tool's definition The tool name 'generate_email_subject' combined with the server context of 'Multi-agent sales email generation server that creates...personalized sales emails' indicates this tool generates email content (specifically subject lines).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

generate_email_subject Rate-limited

generate_email_subject 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": {
    "generate_email_subject": {
      "limits": [
        {
          "counter": "generate_email_subject_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 Sales Agent, so you can run agents against it safely.

FAQ

Questions about generate_email_subject

What does the generate_email_subject tool do? +

generate_email_subject. It is categorised as a Write tool in the Sales Agent MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on generate_email_subject? +

Register the Sales Agent MCP server in PolicyLayer and add a rule for generate_email_subject: 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 Sales Agent. Nothing to install.

What risk level is generate_email_subject? +

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

Can I rate-limit generate_email_subject? +

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

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

generate_email_subject is provided by the Sales Agent MCP server (mmaun/sales-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.