ai_summarize_unreads_snapshot
Get Slack's AI summary of the user's unread messages (undocumented session endpoint).
This record as markdown: /tools/karbassi-slack-mcp/ai-summarize-unreads-snapshot.md
What ai_summarize_unreads_snapshot does on Slack
AI agents call ai_summarize_unreads_snapshot to retrieve information from Slack without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why ai_summarize_unreads_snapshot is rated Low
This tool retrieves and summarizes unread messages—a read operation with no side effects on data. Severity is medium rather than low because accessing unread messages could reveal sensitive business communications, private conversations, or confidential information that an AI agent should not broadly access without explicit user intent.
From the tool's definition Tool name 'ai_summarize_unreads_snapshot' and description 'Get Slack's AI summary of the user's unread messages' indicates retrieval/querying of unread message data without modification.
Attacks that exploit this kind of access
The rule that runs ai_summarize_unreads_snapshot safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Slack, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For ai_summarize_unreads_snapshot, this is the rule to start with:
ai_summarize_unreads_snapshot is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Slack, apply this rule, and every ai_summarize_unreads_snapshot call is checked against it from then on.
Questions about ai_summarize_unreads_snapshot
Get Slack's AI summary of the user's unread messages (undocumented session endpoint). It is categorised as a Read tool in the Slack MCP Server, which means it retrieves data without modifying state.
Register the Slack MCP server in PolicyLayer and add a rule for ai_summarize_unreads_snapshot: 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 Slack. Nothing to install.
ai_summarize_unreads_snapshot 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 ai_summarize_unreads_snapshot 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 ai_summarize_unreads_snapshot. 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.
ai_summarize_unreads_snapshot is provided by the Slack MCP server (karbassi/slack-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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