schedule_slack_message

Schedule a message to be posted at a future time. post_at is a Unix timestamp in SECONDS (not ms). Max 30 scheduled messages per channel per 5 minutes. Max 120 days in advance.

SERVERFreshdesk SOURCE@mindstone-engineering/mcp-server-freshdesk

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/freshdesk/schedule-slack-message.md

WHAT IT DOES

What schedule_slack_message does on Freshdesk

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

RISK

Why schedule_slack_message is rated Medium

This tool creates and modifies data (scheduled messages) reversibly - the scheduled message can be cancelled or modified before execution. It does not execute the message immediately, does not delete data, and does not move money. It is categorized as Write.

From the tool's definition Tool description states it will 'Schedule a message to be posted at a future time' - this creates a new scheduled message object that will later be executed.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs schedule_slack_message safely

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

schedule_slack_message Rate-limited

schedule_slack_message 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": {
    "schedule_slack_message": {
      "limits": [
        {
          "counter": "schedule_slack_message_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Freshdesk, apply this rule, and every schedule_slack_message call is checked against it from then on.

FAQ

Questions about schedule_slack_message

What does the schedule_slack_message tool do? +

Schedule a message to be posted at a future time. post_at is a Unix timestamp in SECONDS (not ms). Max 30 scheduled messages per channel per 5 minutes. Max 120 days in advance. It is categorised as a Write tool in the Freshdesk MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on schedule_slack_message? +

Register the Freshdesk MCP server in PolicyLayer and add a rule for schedule_slack_message: 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 Freshdesk. Nothing to install.

What risk level is schedule_slack_message? +

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

Can I rate-limit schedule_slack_message? +

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

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

schedule_slack_message is provided by the Freshdesk MCP server (@mindstone-engineering/mcp-server-freshdesk). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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