Send a question to the user via Discord and wait for their response. User can react with ❌ to cancel or 📷 for screenshot.
AI agents invoke discord_ask to trigger actions in Discord Mcp Agent. 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.
This tool sends a message to an external platform (Discord) and blocks waiting for user input, triggering external communication and potentially driving user interaction flows. It's more than a simple write because it waits for and processes a response, constituting an external operation with interactive side effects. Misuse could spam users or manipulate interactions.
From the tool's definition Send a question to the user via Discord and wait for their response
Documented attack patterns abuse exactly the kind of access discord_ask gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Discord Mcp Agent, and nothing reaches the server without passing your rules. This is the rule we recommend for discord_ask:
{
"version": "1",
"default": "deny",
"tools": {
"discord_ask": {
"limits": [
{
"counter": "discord_ask_rate",
"window": "minute",
"max": 10,
"scope": "grant"
}
]
}
}
}discord_ask 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.
Free to start. No card required.
Send a question to the user via Discord and wait for their response. User can react with ❌ to cancel or 📷 for screenshot. It is categorised as a Execute tool in the Discord Mcp Agent MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Discord Mcp Agent MCP server in PolicyLayer and add a rule for discord_ask: 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 Discord Mcp Agent. Nothing to install.
discord_ask is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the discord_ask 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.
Set action: deny in the PolicyLayer policy for discord_ask. 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.
discord_ask is provided by the Discord Mcp Agent MCP server (zebbern/discord-mcp-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Discord Mcp Agent, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
5 Discord Mcp Agent tools catalogued and risk-classified — across an index of 43,000+ MCP servers.