list_mcp_server_user_access

List per-user access for an MCP server. Returns the default access mode, override flags, and connection status so you can audit who can use it; use before update_mcp_server_user_access.

SERVERPortkey Admin SOURCEcodeswhat/portkey-admin-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/codeswhat-portkey-admin-mcp/list-mcp-server-user-access.md

WHAT IT DOES

What list_mcp_server_user_access does on Portkey Admin

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

RISK

Why list_mcp_server_user_access is rated Low

This tool retrieves and displays user access information for an MCP server without making any changes. It is designed for querying and auditing purposes. No data is created, modified, deleted, or executed - only retrieved for inspection. This is a straightforward Read operation with minimal risk if misused by an AI agent.

From the tool's definition Tool description explicitly states 'List per-user access' and 'Returns the default access mode, override flags, and connection status' - pure data retrieval with no modifications. The verb 'list' and mention of auditing purpose confirm read-only semantics.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_mcp_server_user_access safely

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

list_mcp_server_user_access Allowed

list_mcp_server_user_access 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": {
    "list_mcp_server_user_access": {}
  }
}

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

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

FAQ

Questions about list_mcp_server_user_access

What does the list_mcp_server_user_access tool do? +

List per-user access for an MCP server. Returns the default access mode, override flags, and connection status so you can audit who can use it; use before update_mcp_server_user_access. It is categorised as a Read tool in the Portkey Admin MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_mcp_server_user_access? +

Register the Portkey Admin MCP server in PolicyLayer and add a rule for list_mcp_server_user_access: 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 Portkey Admin. Nothing to install.

What risk level is list_mcp_server_user_access? +

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

Can I rate-limit list_mcp_server_user_access? +

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

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

list_mcp_server_user_access is provided by the Portkey Admin MCP server (codeswhat/portkey-admin-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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