telegram_send_sticker · Agent Telegram MCP: Risk & Policy

WHAT IT DOES

What telegram_send_sticker does on Agent Telegram

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

WHY IT NEEDS A POLICY

Why telegram_send_sticker needs a policy

This tool creates or modifies chat state by adding a sticker message, which is reversible (the message can be deleted). It does not execute arbitrary code, delete data irreversibly, or move money. It is Write rather than Execute because sticker sending is a straightforward message composition action, not arbitrary code execution.

From the tool's definition Tool description states 'Send a sticker to a Telegram chat' — a direct action that modifies chat state by adding content.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

telegram_send_sticker Rate-limited

telegram_send_sticker 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": {
    "telegram_send_sticker": {
      "limits": [
        {
          "counter": "telegram_send_sticker_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 Telegram, so you can run agents against it safely.

FAQ

Questions about telegram_send_sticker

What does the telegram_send_sticker tool do? +

Send a sticker to a Telegram chat using a file_id or .webp URL. It is categorised as a Write tool in the Agent Telegram MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on telegram_send_sticker? +

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

What risk level is telegram_send_sticker? +

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

Can I rate-limit telegram_send_sticker? +

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

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

telegram_send_sticker is provided by the Agent Telegram MCP server (tharindumendis/agent_telegeam_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.