slack_conversations_search_messages

Search messages in channels, threads, and DMs using various filters

SERVERSage MCP SOURCEsagemcp/sagemcp

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/sagemcp-sagemcp/slack-conversations-search-messages.md

WHAT IT DOES

What slack_conversations_search_messages does on Sage MCP

AI agents call slack_conversations_search_messages to retrieve information from Sage MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why slack_conversations_search_messages is rated Low

This tool queries and retrieves message data from Slack conversations without modifying, creating, deleting, or executing any operations. It is a read-only operation that filters existing data.

From the tool's definition Tool name contains 'search' and description states 'Search messages' with filters—retrieving/querying data with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs slack_conversations_search_messages safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Sage MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For slack_conversations_search_messages, this is the rule to start with:

slack_conversations_search_messages Allowed

slack_conversations_search_messages is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "slack_conversations_search_messages": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Sage MCP, apply this rule, and every slack_conversations_search_messages call is checked against it from then on.

FAQ

Questions about slack_conversations_search_messages

What does the slack_conversations_search_messages tool do? +

Search messages in channels, threads, and DMs using various filters. It is categorised as a Read tool in the Sage MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on slack_conversations_search_messages? +

Register the Sage MCP server in PolicyLayer and add a rule for slack_conversations_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 Sage MCP. Nothing to install.

What risk level is slack_conversations_search_messages? +

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

Can I rate-limit slack_conversations_search_messages? +

Yes. Add a rate_limit block to the slack_conversations_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.

How do I block slack_conversations_search_messages completely? +

Set action: deny in the PolicyLayer policy for slack_conversations_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.

What MCP server provides slack_conversations_search_messages? +

slack_conversations_search_messages is provided by the Sage MCP server (sagemcp/sagemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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