send_tweet · Agent Twitter Client MCP: Risk & Policy

WHAT IT DOES

What send_tweet does on Agent Twitter Client

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

WHY IT NEEDS A POLICY

Why send_tweet needs a policy

This tool creates new data (a tweet) on Twitter, which is reversible (tweets can be deleted). It does not execute arbitrary code, delete data irreversibly, or move money. The severity is medium because misuse could result in reputational damage, spread of misinformation, or violation of platform policies, but the effects are containable and the action is reversible.

From the tool's definition Tool name 'send_tweet' and description 'Post a new tweet' indicate creation of new content on Twitter.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

send_tweet Rate-limited

send_tweet 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": {
    "send_tweet": {
      "limits": [
        {
          "counter": "send_tweet_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 Agent Twitter Client, so you can run agents against it safely.

FAQ

Questions about send_tweet

What does the send_tweet tool do? +

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

How do I enforce a policy on send_tweet? +

Register the Agent Twitter Client MCP server in PolicyLayer and add a rule for send_tweet: 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 Agent Twitter Client. Nothing to install.

What risk level is send_tweet? +

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

Can I rate-limit send_tweet? +

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

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

send_tweet is provided by the Agent Twitter Client MCP server (theo-nash/twitter-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.