execute_announcement_crosspost

SERVERGuildControl MCP SOURCEguildctl

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/app-lasers-guildcontrol-discord/execute-announcement-crosspost.md

WHAT IT DOES

What execute_announcement_crosspost does on GuildControl MCP

AI agents invoke execute_announcement_crosspost to trigger actions in GuildControl MCP. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.

RISK

Why execute_announcement_crosspost is rated High

Publishes a Discord announcement irreversibly with no rollback; fanout makes it high-blast-radius.

From the tool's definition crosspost request, no rollback endpoint, fanout destinations unavailable

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs execute_announcement_crosspost safely

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

execute_announcement_crosspost Rate-limited

execute_announcement_crosspost stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "execute_announcement_crosspost": {
      "limits": [
        {
          "counter": "execute_announcement_crosspost_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about execute_announcement_crosspost

What does the execute_announcement_crosspost tool do? +

Publish one exact Discord announcement message after a fresh matching plan, signed interactive approval, unique one-shot operation-key reservation, pending content-free records, one non-retried crosspost request, strict response validation, and exact fresh readback. Fanout destinations are unavailable and the action has no rollback endpoint. It is categorised as a Execute tool in the GuildControl MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on execute_announcement_crosspost? +

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

What risk level is execute_announcement_crosspost? +

execute_announcement_crosspost is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit execute_announcement_crosspost? +

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

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

execute_announcement_crosspost is provided by the GuildControl MCP server (guildctl). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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