This record as markdown: /tools/karbassi-slack-mcp/saved-get.md
What saved_get does on Slack
AI agents call saved_get 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 saved_get is rated Low
The 'get' suffix strongly suggests a read operation that retrieves data without modification. The empty description reduces confidence slightly, but the naming convention and the server's stated focus on providing access to Slack data (messages, channels, files, etc.) supports classification as Read. No side effects, destructive actions, or financial impact are implied.
From the tool's definition Tool name 'saved_get' indicates a retrieval operation ('get') on saved items, likely messages, files, or other Slack content marked as saved by the user.
Attacks that exploit this kind of access
The rule that runs saved_get 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 saved_get, this is the rule to start with:
saved_get 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 saved_get call is checked against it from then on.
Questions about saved_get
saved_get is a read tool on the Slack MCP server. 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 saved_get: 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.
saved_get 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 saved_get 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 saved_get. 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.
saved_get 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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