telegram_send_message

THE RISK

High Risk

Why telegram_send_message needs a policy

This tool sends an external communication to a third party via Telegram. It is not merely writing data within the system; it triggers an external operation with real-world effects. The blast radius is medium because a misused agent could send arbitrary messages to any Telegram user or group, potentially causing reputational harm, phishing, or harassment.

From the tool's definition "Send a Telegram message" — triggers an external operation (outbound message delivery via Telegram) whose effect depends on arguments (recipient and message content)

Documented attack patterns abuse exactly the kind of access telegram_send_message gives an agent:

POLICY

How to control telegram_send_message

PolicyLayer is an MCP gateway — it sits between your AI agents and Odoo Claude MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for telegram_send_message:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "telegram_send_message": {
      "limits": [
        {
          "counter": "telegram_send_message_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

telegram_send_message stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

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

RATE-LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

High-risk tools in Odoo Claude MCP → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-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.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about telegram_send_message

What does the telegram_send_message tool do? +

Send a Telegram message. Chat can be @username, phone, or numeric ID. It is categorised as a Execute tool in the Odoo Claude MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on telegram_send_message? +

Register the Odoo Claude MCP server in PolicyLayer and add a rule for telegram_send_message: 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 Odoo Claude MCP. Nothing to install.

What risk level is telegram_send_message? +

telegram_send_message is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit telegram_send_message? +

Yes. Add a rate_limit block to the telegram_send_message 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_message completely? +

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

telegram_send_message is provided by the Odoo Claude MCP server (rosenvladimirov/odoo-claude-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Odoo Claude MCP tool call.

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

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