Slack 채널의 최근 메시지 조회
AI agents call slack_get_messages to retrieve information from MCP Slack Python without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves historical message data from Slack channels without any side effects. It is a read-only operation that fetches existing information. While Slack messages may contain sensitive information, the severity is low because the tool itself performs no destructive, financial, or execution operations—it only retrieves data.
From the tool's definition Tool name 'slack_get_messages' and description indicate retrieval of recent messages from Slack channels ('최근 메시지 조회' translates to 'retrieve recent messages'). The description shows no modification, deletion, or external execution capability.
Attacks that exploit this kind of access
Slack 채널의 최근 메시지 조회. It is categorised as a Read tool in the MCP Slack Python MCP Server, which means it retrieves data without modifying state.
Register the MCP Slack Python MCP server in PolicyLayer and add a rule for slack_get_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 MCP Slack Python. Nothing to install.
slack_get_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 slack_get_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 slack_get_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.
slack_get_messages is provided by the MCP Slack Python MCP server (minji337/mcp-slack-python). 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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