telegram-export-story-link

THE RISK

Low Risk

Why telegram-export-story-link needs a policy

This tool only retrieves/generates a URL for an existing public story. It reads data and produces a link without creating, modifying, or deleting anything. No side effects beyond a read operation.

From the tool's definition Get a shareable t.me/… URL for a public story

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

POLICY

How to control telegram-export-story-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-export-story-link:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "telegram-export-story-link": {}
  }
}

telegram-export-story-link is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

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.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about telegram-export-story-link

What does the telegram-export-story-link tool do? +

Get a shareable t.me/… URL for a public story. It is categorised as a Read tool in the MCP-Telegram MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on telegram-export-story-link? +

Register the MCP-Telegram MCP server in PolicyLayer and add a rule for telegram-export-story-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-export-story-link? +

telegram-export-story-link is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit telegram-export-story-link? +

Yes. Add a rate_limit block to the telegram-export-story-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-export-story-link completely? +

Set action: deny in the PolicyLayer policy for telegram-export-story-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-export-story-link? +

telegram-export-story-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 →