get_merge_request_note
Get a specific note for a merge request
This record as markdown: /tools/io-github-zereight-gitlab-mcp/get-merge-request-note.md
What get_merge_request_note does on Gitlab Mcp
AI agents call get_merge_request_note 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.
Why get_merge_request_note is rated Low
This tool retrieves (gets) a specific note associated with a merge request. It is a read-only query operation that does not create, modify, delete, or execute any actions. The blast radius of misuse is minimal—an AI agent could only access notes that exist, potentially revealing information depending on access controls, but cannot alter state or trigger external operations.
From the tool's definition Tool name 'get_merge_request_note' and description 'Get a specific note for a merge request' indicate a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
The rule that runs get_merge_request_note 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_note, this is the rule to start with:
get_merge_request_note is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Gitlab Mcp, apply this rule, and every get_merge_request_note call is checked against it from then on.
Questions about get_merge_request_note
Get a specific note for a merge request. It is categorised as a Read tool in the Gitlab Mcp MCP Server, which means it retrieves data without modifying state.
Register the Gitlab MCP server in PolicyLayer and add a rule for get_merge_request_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 Gitlab Mcp. Nothing to install.
get_merge_request_note 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 get_merge_request_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.
Set action: deny in the PolicyLayer policy for get_merge_request_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.
get_merge_request_note 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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