receive_telegram_updates
AI agents call receive_telegram_updates to retrieve information from Simple MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Based on the name, this tool likely retrieves (reads) incoming updates or messages from Telegram, which is a read operation. However, the empty description lowers confidence. Severity is medium because it could expose private message content or user data from Telegram conversations.
From the tool's definition Tool name 'receive_telegram_updates' and empty description; 'receive' implies reading/fetching incoming messages or updates from Telegram.
Attacks that exploit this kind of access
receive_telegram_updates. It is categorised as a Read tool in the Simple MCP MCP Server, which means it retrieves data without modifying state.
Register the Simple MCP server in PolicyLayer and add a rule for receive_telegram_updates: 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 Simple MCP. Nothing to install.
receive_telegram_updates is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the receive_telegram_updates 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.
Set action: deny in the PolicyLayer policy for receive_telegram_updates. 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.
receive_telegram_updates is provided by the Simple MCP server (karar-hayder/simple-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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