Low Risk

get_theme

Get theme colors, typography, breakpoints, and widget defaults from local cache. No API calls. Run sync_project first if not cached.

How to control get_theme ↓

What get_theme does on Community Ff

AI agents call get_theme to retrieve information from Community Ff without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why get_theme needs a policy

This tool retrieves configuration and styling metadata from a local cache. It performs no mutations, does not execute code or commands, makes no external API calls, and cannot delete or modify data. It is a straightforward read operation querying static theme configuration. The severity is low because misuse would only expose non-sensitive design metadata already part of the project structure.

From the tool's definition Tool description explicitly states it 'Get[s] theme colors, typography, breakpoints, and widget defaults' with 'No API calls' and retrieves from 'local cache'. The verb 'Get' and read-only nature confirm data retrieval without side effects.

Documented attack patterns abuse exactly the kind of access get_theme gives an agent:

How to control get_theme

PolicyLayer is an MCP gateway — it sits between your AI agents and Community Ff, and nothing reaches the server without passing your rules. This is the rule we recommend for get_theme:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_theme": {}
  }
}

get_theme is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

  1. Create a free account and register Community Ff — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

Go deeper

Questions about get_theme

What does the get_theme tool do? +

Get theme colors, typography, breakpoints, and widget defaults from local cache. No API calls. Run sync_project first if not cached. It is categorised as a Read tool in the Community Ff MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_theme? +

Register the Community Ff MCP server in PolicyLayer and add a rule for get_theme: 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 Community Ff. Nothing to install.

What risk level is get_theme? +

get_theme is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_theme? +

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

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

get_theme is provided by the Community Ff MCP server (mohn93/ff-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Community Ff tool call.

Start from Community Ff, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

Free to start. No card required.

25 Community Ff tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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