card_template_create

SERVERBreakpoint SOURCEbreakpoint-mcp

Medium RISK CLASS

Category Write

Parameters 113 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/breakpoint-mcp/card-template-create.md

WHAT IT DOES

What card_template_create does on Breakpoint

AI agents use card_template_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
`back`	object	—	Optional card-back state; its presence makes the template two-sided
`face`	array	—	Slot names shown on the face; omitted → all slots
`path`	string	Yes	Where to save the template scene, e.g. res://ui/cards/Card.tscn
`size`	object	Yes	Card dimensions in px
`slots`	array	Yes	Named regions the card exposes
`theme`	object	—	Inline theme built via theme_create + theme_set_*
`confirm`	boolean	—	Skip the confirmation prompt (auto-approve)
`overwrite`	boolean	—	Replace an existing template at `path` (default false). With overwrite omitted or false an existing `path` is REFUSED (`exists`) rather than written — before 1.
`root_type`	string	—	Root node type (default PanelContainer)
`theme_path`	string	—	Use an existing Theme resource (res://…tres); mutually exclusive with inline theme
`script_path`	string	—	Generated card script path (default derives from `path`)

Parameters from the server's own tool schema.

RISK

Why card_template_create is rated Medium

An AI agent can call card_template_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.

Risk signalsAccepts file system path (path) · High parameter count (37 properties)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs card_template_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 card_template_create, this is the rule to start with:

card_template_create Rate-limited

card_template_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": {
    "card_template_create": {
      "limits": [
        {
          "counter": "card_template_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 card_template_create call is checked against it from then on.

FAQ

Questions about card_template_create

What does the card_template_create tool do? +

Build a reusable card scene (a PackedScene) from a slot spec, with a generated script-backed set_data() / set_face(). Named slots (label / rich_text / texture / panel / badge) become the card's regions; card_instance and card_deck_from_table bind data to them by slot name. Optional inline theme and a two-sided card back. DESTRUCTIVE (writes a scene + script) — gated by confirmation. Puts the editor back on the scene you had open; edited_scene names where it landed. 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 card_template_create accept? +

card_template_create accepts 11 parameters: back, face, path, size, slots, theme, confirm, overwrite, root_type, theme_path, script_path. Required: path, size, slots. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on card_template_create? +

Register the Breakpoint MCP server in PolicyLayer and add a rule for card_template_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 card_template_create? +

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

Can I rate-limit card_template_create? +

Yes. Add a rate_limit block to the card_template_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 card_template_create completely? +

Set action: deny in the PolicyLayer policy for card_template_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 card_template_create? +

card_template_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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