list_group_variables

List CI/CD variables for a group

SERVERGitlab Mcp SOURCE@zereight/mcp-gitlab

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/io-github-zereight-gitlab-mcp/list-group-variables.md

WHAT IT DOES

What list_group_variables does on Gitlab Mcp

AI agents call list_group_variables to retrieve information from Gitlab 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 list_group_variables is rated Low

This tool retrieves and displays CI/CD variables associated with a GitLab group. It performs a read-only query operation without creating, modifying, deleting, or executing any resources. While CI/CD variables may contain sensitive information (e.g., API tokens, secrets), the tool itself only reads and returns existing data, making it a Read category risk.

From the tool's definition Tool name is 'list_group_variables' with description 'List CI/CD variables for a group' — the verb 'list' indicates a query/retrieval operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_group_variables safely

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

list_group_variables Allowed

list_group_variables 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_group_variables": {}
  }
}

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

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

FAQ

Questions about list_group_variables

What does the list_group_variables tool do? +

List CI/CD variables for a group. It is categorised as a Read tool in the Gitlab Mcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_group_variables? +

Register the Gitlab MCP server in PolicyLayer and add a rule for list_group_variables: 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 Gitlab Mcp. Nothing to install.

What risk level is list_group_variables? +

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

Can I rate-limit list_group_variables? +

Yes. Add a rate_limit block to the list_group_variables 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_group_variables completely? +

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

list_group_variables is provided by the Gitlab MCP server (@zereight/mcp-gitlab). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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