gitlab_list_mrs

List merge requests in a project.

SERVERGitlab SOURCEdkeeno/gitlab-mcp-server

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/dkeeno-gitlab-mcp-server/gitlab-list-mrs.md

WHAT IT DOES

What gitlab_list_mrs does on Gitlab

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

RISK

Why gitlab_list_mrs is rated Low

This tool retrieves and lists merge request data from a GitLab project without creating, modifying, deleting, or executing any operations. It is a straightforward read operation with minimal blast radius if misused by an AI agent—worst case would be exposure of MR metadata already intended to be in the project.

From the tool's definition Tool name 'gitlab_list_mrs' and description 'List merge requests in a project' indicate a query/retrieval operation with no modification or execution of code.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs gitlab_list_mrs safely

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

gitlab_list_mrs Allowed

gitlab_list_mrs 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": {
    "gitlab_list_mrs": {}
  }
}

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

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

FAQ

Questions about gitlab_list_mrs

What does the gitlab_list_mrs tool do? +

List merge requests in a project. It is categorised as a Read tool in the Gitlab MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on gitlab_list_mrs? +

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

What risk level is gitlab_list_mrs? +

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

Can I rate-limit gitlab_list_mrs? +

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

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

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

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