List groups in a Yunxiao organization. Groups are permission-bound collections of users and resources. Use list_organization_members to discover users who can be added to groups.
AI agents call list_organization_groups to retrieve information from Yunxiao without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
page | number | — | Page number for pagination. Starts at 1. |
perPage | number | — | Page size for pagination. Supports 1-100. Defaults to 100 when omitted. |
organizationId | string | — | Yunxiao organization ID. When omitted, the server uses the user's default organization. |
Parameters from the server's own tool schema.
This tool performs a read-only operation to discover group membership and organizational hierarchy within Yunxiao. While the information disclosed could inform privilege escalation reconnaissance, the tool itself performs no modification or execution. The severity is low because listing groups is a standard read operation with informational return value only.
From the tool's definition Tool name contains 'list' and description explicitly states it 'List groups'. The action is querying/enumerating organizational structure with no side effects—it retrieves permission-bound collections of users and resources without modifying them.
Attacks that exploit this kind of access
List groups in a Yunxiao organization. Groups are permission-bound collections of users and resources. Use list_organization_members to discover users who can be added to groups. It is categorised as a Read tool in the Yunxiao MCP Server, which means it retrieves data without modifying state.
list_organization_groups accepts 3 parameters: page, perPage, organizationId. The full parameter table on this page comes from the server's own tool schema.
Register the Yunxiao MCP server in PolicyLayer and add a rule for list_organization_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 Yunxiao. Nothing to install.
list_organization_groups 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 list_organization_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.
Set action: deny in the PolicyLayer policy for list_organization_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.
list_organization_groups is provided by the Yunxiao MCP server (@futuretea/yunxiao-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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