add_epic_note · Mcp Gitlab MCP: Risk & Policy

WHAT IT DOES

What add_epic_note does on Mcp Gitlab

AI agents use add_epic_note to create or update resources in Mcp Gitlab — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Gitlab environment.

WHY IT NEEDS A POLICY

Why add_epic_note needs a policy

This tool creates/appends a comment to a GitLab epic, which is a Write operation—it modifies data (adds a note) but the change is reversible (comments can be edited or deleted). It does not delete, execute arbitrary code, move money, or perform irreversible actions. The dry-run default provides safety, but the actual operation remains a data modification.

From the tool's definition Tool name 'add_epic_note' and description 'Ajouter un commentaire sur un epic' (Add a comment on an epic) indicates creation of a new comment/note, which is a reversible data modification.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_epic_note Rate-limited

add_epic_note stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "add_epic_note": {
      "limits": [
        {
          "counter": "add_epic_note_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Mcp Gitlab, so you can run agents against it safely.

FAQ

Questions about add_epic_note

What does the add_epic_note tool do? +

Ajouter un commentaire sur un epic. Par defaut dry_run=true. It is categorised as a Write tool in the Mcp Gitlab MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add_epic_note? +

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

What risk level is add_epic_note? +

add_epic_note is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit add_epic_note? +

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

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

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