git_push_branch · Git PR MCP Server MCP: Risk & Policy

WHAT IT DOES

What git_push_branch does on Git PR MCP Server

AI agents use git_push_branch to create or update resources in Git PR MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Git PR MCP Server environment.

WHY IT NEEDS A POLICY

Why git_push_branch needs a policy

Pushing a branch to a remote repository is a write operation that creates or updates a remote branch. It is reversible (the branch can be deleted or reset), so it does not qualify as Destructive. However, misuse could expose unintended code or overwrite remote branches, giving it medium severity.

From the tool's definition Pushes a local branch from the active repository to the remote (origin)

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

git_push_branch Rate-limited

git_push_branch 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": {
    "git_push_branch": {
      "limits": [
        {
          "counter": "git_push_branch_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Git PR MCP Server, so you can run agents against it safely.

FAQ

Questions about git_push_branch

What does the git_push_branch tool do? +

Pushes a local branch from the active repository to the remote (origin). It is categorised as a Write tool in the Git PR MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on git_push_branch? +

Register the Git PR MCP Server MCP server in PolicyLayer and add a rule for git_push_branch: 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 Git PR MCP Server. Nothing to install.

What risk level is git_push_branch? +

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

Can I rate-limit git_push_branch? +

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

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

git_push_branch is provided by the Git PR MCP Server MCP server (peterj/git-pr-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.