get_service_types | PolicyLayer

WHAT IT DOES

What get_service_types does on Planning Center Online (PCO) MCP Server

AI agents call get_service_types to retrieve information from Planning Center Online (PCO) MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

Why get_service_types needs a policy

This tool retrieves service type data from Planning Center Online's API with no side effects, mutations, or irreversible actions. It is a straightforward read operation that queries configuration data for a church management system. The low severity reflects minimal blast radius—fetching service types cannot cause harm to data or operations even if misused by an AI agent.

From the tool's definition Tool name 'get_service_types' and description 'Fetch a list of service types' indicate a retrieval operation. The verb 'Fetch' combined with 'list' confirms data query without modification.

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

POLICY

How to control get_service_types

PolicyLayer is an MCP gateway — it sits between your AI agents and Planning Center Online (PCO) MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_service_types:

policy.json

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

get_service_types 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 Planning Center Online (PCO) MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

Related tools and policies

More Planning Center Online (PCO) MCP Server tools

Write assign_tags_to_song Assign tags to a specific song. Write create_song Create a new song in Planning Center Online. Read find_song_by_title Find songs by title. Read find_songs_by_tags Find songs that have all of the specified tags. Read get_all_arrangements_for_song Get a list of all the arrangements for a particular song from the Planning Center Online A Read get_arrangement_for_song Get information for a particular song from the Planning Center Online API. Read get_keys_for_arrangement_of_song Get a list of keys available for a particular song ID and arrangement ID from the Planning Read get_plan_items Fetch a list of items for a specific plan.

All 13 Planning Center Online (PCO) MCP Server tools →

Read tools on other servers

M-Team MCP Server get_torrent_detail YouTube MCP Server search_channel Android Forensics ADB MCP Server parse_browser_history 0xarchive web3_challenge

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 get_service_types

What does the get_service_types tool do? +

Fetch a list of service types from the Planning Center Online API. It is categorised as a Read tool in the Planning Center Online (PCO) MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_service_types? +

Register the Planning Center Online (PCO) MCP Server MCP server in PolicyLayer and add a rule for get_service_types: 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 Planning Center Online (PCO) MCP Server. Nothing to install.

What risk level is get_service_types? +

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

Can I rate-limit get_service_types? +

Yes. Add a rate_limit block to the get_service_types 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_service_types completely? +

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

get_service_types is provided by the Planning Center Online (PCO) MCP Server MCP server (jake-ccnh/pco-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Planning Center Online (PCO) MCP Server tool call.

Start from Planning Center Online (PCO) MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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13 Planning Center Online (PCO) MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.