List your Telegram dialogs (chats, groups, channels).
AI agents call telegram_list_chats to retrieve information from Telegram MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns metadata about existing Telegram conversations. It retrieves information without creating, modifying, deleting, or executing any operations. While it accesses private chat metadata, the read-only nature and limited blast radius (enumeration only) classify it as Read/low severity. Confidence is high because the description clearly indicates a list/query operation.
From the tool's definition Tool name 'telegram_list_chats' and description 'List your Telegram dialogs (chats, groups, channels)' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
List your Telegram dialogs (chats, groups, channels). It is categorised as a Read tool in the Telegram MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Telegram MCP Server MCP server in PolicyLayer and add a rule for telegram_list_chats: 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. Nothing to install.
telegram_list_chats 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 telegram_list_chats 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 telegram_list_chats. 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.
telegram_list_chats is provided by the Telegram MCP Server MCP server (raidenyn/telegram-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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