Поиск сообщений по тексту глобально или в чате.
AI agents call search_messages to retrieve information from Claudegram without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries message data based on text search criteria. It has no side effects—it does not create, modify, delete, or execute operations. Search and retrieval operations are classified as Read category with low severity, as misuse would only expose existing data rather than alter system state or enable code execution.
From the tool's definition Tool name 'search_messages' and description indicating message search 'Поиск сообщений по тексту глобально или в чате' (Search messages by text globally or in chat). The description explicitly denotes a search/retrieval operation with no modification of data.
Attacks that exploit this kind of access
Поиск сообщений по тексту глобально или в чате. It is categorised as a Read tool in the Claudegram MCP Server, which means it retrieves data without modifying state.
Register the Claudegram MCP server in PolicyLayer and add a rule for search_messages: 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 Claudegram. Nothing to install.
search_messages 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_messages 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_messages. 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_messages is provided by the Claudegram MCP server (sanjar-x/claudegram). 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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