List merge requests assigned to a milestone.
AI agents call gitlab_get_milestone_merge_requests to retrieve information from Gitlab without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns existing data (merge requests) without creating, modifying, deleting, or executing anything. It has no side effects and poses minimal security risk — the only concern would be unauthorized information disclosure if access controls are misconfigured, but that is an access control issue, not an issue with the tool's inherent capability.
From the tool's definition Tool name contains 'get' and description states 'List merge requests assigned to a milestone' — a retrieval operation with no mutation of data.
Documented attack patterns abuse exactly the kind of access gitlab_get_milestone_merge_requests gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Gitlab, and nothing reaches the server without passing your rules. This is the rule we recommend for gitlab_get_milestone_merge_requests:
{
"version": "1",
"default": "deny",
"tools": {
"gitlab_get_milestone_merge_requests": {}
}
}gitlab_get_milestone_merge_requests is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List merge requests assigned to a milestone. It is categorised as a Read tool in the Gitlab MCP Server, which means it retrieves data without modifying state.
Register the Gitlab MCP server in PolicyLayer and add a rule for gitlab_get_milestone_merge_requests: 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.
gitlab_get_milestone_merge_requests 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 gitlab_get_milestone_merge_requests 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 gitlab_get_milestone_merge_requests. 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.
gitlab_get_milestone_merge_requests is provided by the Gitlab MCP server (mcpland/gitlab-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Gitlab, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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190 Gitlab tools catalogued and risk-classified — across an index of 43,000+ MCP servers.