resolve_merge_request_thread

Resolve a thread on a merge request

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/resolve-merge-request-thread.md

WHAT IT DOES

What resolve_merge_request_thread does on Gitlab Mcp

AI agents use resolve_merge_request_thread 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 resolve_merge_request_thread is rated Medium

This tool modifies data (thread resolution status) but does not create or delete threads, nor does it execute arbitrary code or cause irreversible harm. The action is reversible—threads can be reopened. It falls under Write category as it updates metadata about a code review artifact.

From the tool's definition Tool name 'resolve_merge_request_thread' and description 'Resolve a thread on a merge request' indicates modifying the state of a merge request thread from unresolved to resolved, which is a reversible state change.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

resolve_merge_request_thread Rate-limited

resolve_merge_request_thread 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": {
    "resolve_merge_request_thread": {
      "limits": [
        {
          "counter": "resolve_merge_request_thread_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 resolve_merge_request_thread call is checked against it from then on.

FAQ

Questions about resolve_merge_request_thread

What does the resolve_merge_request_thread tool do? +

Resolve a thread on a merge request. 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 resolve_merge_request_thread? +

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

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

Can I rate-limit resolve_merge_request_thread? +

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

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

resolve_merge_request_thread 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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