Get branches for a GitLab project.
AI agents call get_project_branches to retrieve information from GitLab MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves branch information from a GitLab project without creating, modifying, or deleting any data. It is a straightforward query operation that returns existing project metadata. The blast radius of misuse is minimal—an AI agent querying branches cannot cause harm beyond potentially accessing sensitive repository structure information, which is typically already visible to authenticated users.
From the tool's definition Tool name 'get_project_branches' and description 'Get branches for a GitLab project' indicate a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
Get branches for a GitLab project. It is categorised as a Read tool in the GitLab MCP Server MCP Server, which means it retrieves data without modifying state.
Register the GitLab MCP Server MCP server in PolicyLayer and add a rule for get_project_branches: 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 Server. Nothing to install.
get_project_branches 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_project_branches 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_project_branches. 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_project_branches is provided by the GitLab MCP Server MCP server (skmprb/gitlab-clone-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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