create_tag

Create a new repository tag

SERVERGitlab Mcp SOURCE@zereight/mcp-gitlab

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-zereight-gitlab-mcp/create-tag.md

WHAT IT DOES

What create_tag does on Gitlab Mcp

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

RISK

Why create_tag is rated Medium

This tool creates new tags in a GitLab repository, which is a write operation that adds versioning metadata to the codebase. While reversible (tags can be deleted), it modifies repository state and could impact deployment pipelines, release workflows, or user understanding of project history if misused.

From the tool's definition Tool name is 'create_tag' and description states 'Create a new repository tag'. Tags are version markers in Git that are created (not read-only) and can reference commits. Creating a tag modifies the repository state by adding metadata.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_tag 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 create_tag, this is the rule to start with:

create_tag Rate-limited

create_tag 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": {
    "create_tag": {
      "limits": [
        {
          "counter": "create_tag_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about create_tag

What does the create_tag tool do? +

Create a new repository tag. It is categorised as a Write tool in the Gitlab Mcp MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_tag? +

Register the Gitlab MCP server in PolicyLayer and add a rule for create_tag: 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 create_tag? +

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

Can I rate-limit create_tag? +

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

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

create_tag 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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