telegram-revoke-invite-link

THE RISK

Critical Risk

Why telegram-revoke-invite-link needs a policy

Revoking an invite link is an irreversible action that destroys the utility of that link. While not deleting data, it permanently disables access control mechanisms. Combined with the userbot's full access to chats and contacts, a misused invocation could lock legitimate users out of channels or groups.

From the tool's definition The tool 'telegram-revoke-invite-link' revokes an invite link, which irreversibly prevents future access to a group or channel via that link. Once revoked, the link cannot be un-revoked and becomes permanently non-functional.

Documented attack patterns abuse exactly the kind of access telegram-revoke-invite-link gives an agent:

POLICY

How to control telegram-revoke-invite-link

PolicyLayer is an MCP gateway — it sits between your AI agents and MCP-Telegram, and nothing reaches the server without passing your rules. This is the rule we recommend for telegram-revoke-invite-link:

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "telegram-revoke-invite-link"
  ]
}

telegram-revoke-invite-link disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

Create a free account and register MCP-Telegram — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RESTRICT THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

Critical-risk tools in MCP-Telegram → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Blast radius → How much damage one compromised or confused agent can do — and how to bound it.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about telegram-revoke-invite-link

What does the telegram-revoke-invite-link tool do? +

Revoke an invite link for a group or channel. It is categorised as a Destructive tool in the MCP-Telegram MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on telegram-revoke-invite-link? +

Register the MCP-Telegram MCP server in PolicyLayer and add a rule for telegram-revoke-invite-link: 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 MCP-Telegram. Nothing to install.

What risk level is telegram-revoke-invite-link? +

telegram-revoke-invite-link is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit telegram-revoke-invite-link? +

Yes. Add a rate_limit block to the telegram-revoke-invite-link 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-revoke-invite-link completely? +

Set action: deny in the PolicyLayer policy for telegram-revoke-invite-link. 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-revoke-invite-link? +

telegram-revoke-invite-link is provided by the MCP-Telegram MCP server (mcp-telegram/mcp-telegram). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every MCP-Telegram tool call.

Start from MCP-Telegram, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →