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assistant_search_context

A read tool on the Slack MCP server.

SERVERSlack SOURCEkarbassi/slack-mcp
Low RISK CLASS
Category Read
Parameters 00 required
Recommended Allowedsee the rule below
Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/karbassi-slack-mcp/assistant-search-context.md

What assistant_search_context does on Slack

AI agents call assistant_search_context 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 assistant_search_context is rated Low

Based on the tool name 'assistant_search_context' and the server's documented search capabilities, this appears to be a Read operation that retrieves contextual data for assistants. The 'search' verb indicates data retrieval without modification. Severity is high because search tools on communication platforms can expose sensitive message content, user information, and organizational data if misused by an AI agent.

From the tool's definition Tool name contains 'search' and 'context', suggesting it retrieves or queries data. Server description confirms the tool is part of Slack's 220 tools providing access to messages, channels, and search functionality.

Questions about assistant_search_context

What does the assistant_search_context tool do? +

assistant_search_context 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.

How do I enforce a policy on assistant_search_context? +

Register the Slack MCP server in PolicyLayer and add a rule for assistant_search_context: 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.

What risk level is assistant_search_context? +

assistant_search_context is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit assistant_search_context? +

Yes. Add a rate_limit block to the assistant_search_context 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.

How do I block assistant_search_context completely? +

Set action: deny in the PolicyLayer policy for assistant_search_context. 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.

What MCP server provides assistant_search_context? +

assistant_search_context 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.

More on Slack, and thousands of servers like it.

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