install_sticker_set · Claudegram MCP: Risk & Policy

WHAT IT DOES

What install_sticker_set does on Claudegram

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

WHY IT NEEDS A POLICY

Why install_sticker_set needs a policy

This tool creates or modifies account state by installing a sticker set, which is a reversible operation (sticker sets can be uninstalled). It does not execute arbitrary code, delete data irreversibly, move money, or trigger external side effects beyond configuring the user's Telegram account. The blast radius of misuse is low—an attacker would merely add unwanted stickers to the account, which can be easily removed.

From the tool's definition Tool name 'install_sticker_set' and description 'Установить стикерсет аккаунту' (Install sticker set to account) indicate modification of account settings/preferences by adding a sticker set.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

install_sticker_set Rate-limited

install_sticker_set 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": {
    "install_sticker_set": {
      "limits": [
        {
          "counter": "install_sticker_set_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 Claudegram, so you can run agents against it safely.

FAQ

Questions about install_sticker_set

What does the install_sticker_set tool do? +

Установить стикерсет аккаунту. It is categorised as a Write tool in the Claudegram MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on install_sticker_set? +

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

What risk level is install_sticker_set? +

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

Can I rate-limit install_sticker_set? +

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

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

install_sticker_set is provided by the Claudegram MCP server (sanjar-x/claudegram). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.