vcs_branch_create

SERVERBreakpoint SOURCEbreakpoint-mcp

Medium RISK CLASS

Category Write

Parameters 31 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/breakpoint-mcp/vcs-branch-create.md

WHAT IT DOES

What vcs_branch_create does on Breakpoint

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

Parameter	Type	Required	Description
`from`	string	—	Start point (branch, tag, or sha; default HEAD)
`name`	string	Yes	New branch name
`switch`	boolean	—	Switch to the new branch after creating it (default false)

Parameters from the server's own tool schema.

RISK

Why vcs_branch_create is rated Medium

An AI agent can call vcs_branch_create faster than any human can review: one bad instruction and it creates or modifies resources in Breakpoint by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs vcs_branch_create safely

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

vcs_branch_create Rate-limited

vcs_branch_create 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": {
    "vcs_branch_create": {
      "limits": [
        {
          "counter": "vcs_branch_create_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 Breakpoint, apply this rule, and every vcs_branch_create call is checked against it from then on.

FAQ

Questions about vcs_branch_create

What does the vcs_branch_create tool do? +

Create a new branch, optionally starting from a given ref (default HEAD), and optionally switch to it. Reversible (git branch -d), so not gated. Errors clearly if the branch already exists. If switch=true and the switch is refused (e.g. local changes would be overwritten), the error SAYS the branch was still created — create and switch are two git calls and only the second can fail. It is categorised as a Write tool in the Breakpoint MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does vcs_branch_create accept? +

vcs_branch_create accepts 3 parameters: from, name, switch. Required: name. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on vcs_branch_create? +

Register the Breakpoint MCP server in PolicyLayer and add a rule for vcs_branch_create: 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 Breakpoint. Nothing to install.

What risk level is vcs_branch_create? +

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

Can I rate-limit vcs_branch_create? +

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

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

vcs_branch_create is provided by the Breakpoint MCP server (breakpoint-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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