crow_list_message_groups

List all message groups with their members.

SERVERCrow SOURCEkh0pper/crow

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/kh0pper-crow/crow-list-message-groups.md

WHAT IT DOES

What crow_list_message_groups does on Crow

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

RISK

Why crow_list_message_groups is rated Low

This tool queries and returns existing data (message groups and their members) without creating, modifying, deleting, or executing any actions. The action is read-only and presents minimal risk if invoked by an AI agent, as it only exposes information already accessible to the authenticated user.

From the tool's definition Tool name contains 'list' and description states 'List all message groups with their members' — a retrieval operation with no modification or side effects.

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs crow_list_message_groups safely

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

crow_list_message_groups Allowed

crow_list_message_groups 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": {
    "crow_list_message_groups": {}
  }
}

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

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

FAQ

Questions about crow_list_message_groups

What does the crow_list_message_groups tool do? +

List all message groups with their members. It is categorised as a Read tool in the Crow MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on crow_list_message_groups? +

Register the Crow MCP server in PolicyLayer and add a rule for crow_list_message_groups: 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 Crow. Nothing to install.

What risk level is crow_list_message_groups? +

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

Can I rate-limit crow_list_message_groups? +

Yes. Add a rate_limit block to the crow_list_message_groups 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 crow_list_message_groups completely? +

Set action: deny in the PolicyLayer policy for crow_list_message_groups. 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 crow_list_message_groups? +

crow_list_message_groups is provided by the Crow MCP server (kh0pper/crow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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