git_create_branch

A write tool on the GitHub MCP server.

SERVERGitHub SOURCEoci:ghcr.io/aifity/omnigit-mcp:0.5.0

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-aifity-omnigit-mcp/git-create-branch.md

WHAT IT DOES

What git_create_branch does on GitHub

AI agents use git_create_branch to create or update resources in GitHub, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your GitHub environment.

RISK

Why git_create_branch is rated Medium

Creating a branch is a write operation that modifies repository state reversibly—branches can be deleted and the action does not irreversibly destroy data or execute arbitrary code.

From the tool's definition Tool name 'git_create_branch' and description 'Git create branch' indicate this creates a new git branch, which modifies the repository structure by adding a new branch reference.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs git_create_branch safely

PolicyLayer is an MCP gateway: it sits between your AI agents and GitHub, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For git_create_branch, this is the rule to start with:

git_create_branch Rate-limited

git_create_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_create_branch": {
      "limits": [
        {
          "counter": "git_create_branch_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 GitHub, apply this rule, and every git_create_branch call is checked against it from then on.

FAQ

Questions about git_create_branch

What does the git_create_branch tool do? +

git_create_branch is a write tool on the GitHub MCP server. It is categorised as a Write tool in the GitHub 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_create_branch? +

Register the GitHub MCP server in PolicyLayer and add a rule for git_create_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 GitHub. Nothing to install.

What risk level is git_create_branch? +

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

Can I rate-limit git_create_branch? +

Yes. Add a rate_limit block to the git_create_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_create_branch completely? +

Set action: deny in the PolicyLayer policy for git_create_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_create_branch? +

git_create_branch is provided by the GitHub MCP server (oci:ghcr.io/aifity/omnigit-mcp:0.5.0). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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