telegram_send_contact

WHAT IT DOES

What telegram_send_contact does on Telegram MCP Server & Channel Monitor

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

WHY IT NEEDS A POLICY

Why telegram_send_contact needs a policy

Sending a contact to a chat is a write operation that creates new message content in a reversible manner. It does not execute arbitrary code, delete data permanently, or move financial resources.

From the tool's definition Tool name 'telegram_send_contact' and description indicating it sends contact information (phone number + name) to Telegram chats. This creates/adds new data (contact message) to a chat, which is reversible via deletion.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

telegram_send_contact Rate-limited

telegram_send_contact 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_contact": {
      "limits": [
        {
          "counter": "telegram_send_contact_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Telegram MCP Server & Channel Monitor, so you can run agents against it safely.

FAQ

Questions about telegram_send_contact

What does the telegram_send_contact tool do? +

텔레그램 채팅에 연락처(전화번호+이름)를 전송합니다. It is categorised as a Write tool in the Telegram MCP Server & Channel Monitor 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_contact? +

Register the Telegram MCP Server & Channel Monitor MCP server in PolicyLayer and add a rule for telegram_send_contact: 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 Telegram MCP Server & Channel Monitor. Nothing to install.

What risk level is telegram_send_contact? +

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

Can I rate-limit telegram_send_contact? +

Yes. Add a rate_limit block to the telegram_send_contact 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_contact completely? +

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

telegram_send_contact is provided by the Telegram MCP Server & Channel Monitor MCP server (ruchiayeon/telegram-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.