themes_get_all

THE RISK

Low Risk

Why themes_get_all needs a policy

This tool retrieves or lists themes from a ProPresenter library with no side effects. It performs a straightforward data retrieval operation consistent with the 'Read' category. The low severity reflects that exposing theme library data poses minimal risk to the presentation system or user data.

From the tool's definition Tool name 'themes_get_all' and description 'Get all themes in the library' indicate a retrieval operation that queries existing data without modification.

Risk signalsBulk/mass operation — affects multiple targets

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

POLICY

How to control themes_get_all

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "themes_get_all": {}
  }
}

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

Create a free account and register Propresenter — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about themes_get_all

What does the themes_get_all tool do? +

Get all themes in the library. It is categorised as a Read tool in the Propresenter MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on themes_get_all? +

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

What risk level is themes_get_all? +

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

Can I rate-limit themes_get_all? +

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

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

themes_get_all is provided by the Propresenter MCP server (@alxpark/propresenter-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Propresenter tool call.

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

CHECK YOUR STACK →