telegram-get-contact-requests

THE RISK

Low Risk

Why telegram-get-contact-requests needs a policy

This is fundamentally a read operation that queries and retrieves data (contact requests and message previews). However, severity is high because the MCP server operates as a userbot with full access to personal Telegram accounts, chats, contacts, and message history.

From the tool's definition Tool explicitly retrieves incoming messages and displays message previews from non-contacts; described as 'Get incoming messages' and 'Shows who messaged you'; no modification, deletion, or execution mentioned.

Documented attack patterns abuse exactly the kind of access telegram-get-contact-requests gives an agent:

POLICY

How to control telegram-get-contact-requests

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-get-contact-requests:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "telegram-get-contact-requests": {}
  }
}

telegram-get-contact-requests 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

Related tools and policies

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Read tools on other servers

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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-get-contact-requests

What does the telegram-get-contact-requests tool do? +

Get incoming messages from non-contacts (contact requests). Shows who messaged you without being in your contacts, with message preview. 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-get-contact-requests? +

Register the MCP-Telegram MCP server in PolicyLayer and add a rule for telegram-get-contact-requests: 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-get-contact-requests? +

telegram-get-contact-requests is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit telegram-get-contact-requests? +

Yes. Add a rate_limit block to the telegram-get-contact-requests 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-get-contact-requests completely? +

Set action: deny in the PolicyLayer policy for telegram-get-contact-requests. 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-get-contact-requests? +

telegram-get-contact-requests 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 →