AI agents call search_media to retrieve information from Telegram MCP Complete without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool queries and retrieves existing media files from chats without modifying, deleting, or executing any actions. This is a classic read-only operation that searches/filters data.
From the tool's definition Tool name 'search_media' and description '搜索聊天中的媒体文件' (search for media files in chats) indicate a retrieval operation with no side effects.
Documented attack patterns abuse exactly the kind of access search_media gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Telegram MCP Complete, and nothing reaches the server without passing your rules. This is the rule we recommend for search_media:
{
"version": "1",
"default": "deny",
"tools": {
"search_media": {}
}
}search_media is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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搜索聊天中的媒体文件. It is categorised as a Read tool in the Telegram MCP Complete MCP Server, which means it retrieves data without modifying state.
Register the Telegram MCP Complete MCP server in PolicyLayer and add a rule for search_media: 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 Complete. Nothing to install.
search_media 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 search_media 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 search_media. 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.
search_media is provided by the Telegram MCP Complete MCP server (you922/telegram-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Telegram MCP Complete, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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153 Telegram MCP Complete tools catalogued and risk-classified — across an index of 43,000+ MCP servers.