get_merge_request

Get details of a merge request (mergeRequestIid or branchName required)

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/get-merge-request.md

WHAT IT DOES

What get_merge_request does on Gitlab Mcp

AI agents call get_merge_request 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 get_merge_request is rated Low

This tool queries and returns information about an existing merge request without modifying, executing, or deleting any data. It is a simple read-only data retrieval operation with minimal security impact.

From the tool's definition Tool name 'get_merge_request' and description 'Get details of a merge request' indicate a retrieval operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

get_merge_request Allowed

get_merge_request 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": {
    "get_merge_request": {}
  }
}

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 get_merge_request call is checked against it from then on.

FAQ

Questions about get_merge_request

What does the get_merge_request tool do? +

Get details of a merge request (mergeRequestIid or branchName required). 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 get_merge_request? +

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

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

Can I rate-limit get_merge_request? +

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

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

get_merge_request 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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