create_song · Planning Center Online (PCO) MCP Server MCP

WHAT IT DOES

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

AI agents use create_song to create or update resources in Planning Center Online (PCO) MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Planning Center Online (PCO) MCP Server environment.

THE RISK

Medium Risk

Why create_song needs a policy

This tool creates new song records in the Planning Center Online system. It is reversible (songs can be updated or deleted later) and has moderate blast radius—inappropriate song creation could clutter the database or create confusion in church planning workflows, but it does not destroy existing data, execute arbitrary code, or move money. It falls clearly into the Write category.

From the tool's definition Tool name is 'create_song' and description states 'Create a new song in Planning Center Online.' The verb 'create' indicates data creation rather than retrieval or deletion.

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

POLICY

How to control create_song

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 create_song:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_song": {
      "limits": [
        {
          "counter": "create_song_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

create_song 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.

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.

LIMIT THIS TOOL →

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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. 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. Read get_plan_team_members Fetch a list of team members for a specific plan.

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

Write tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about create_song

What does the create_song tool do? +

Create a new song in Planning Center Online. It is categorised as a Write tool in the Planning Center Online (PCO) MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_song? +

Register the Planning Center Online (PCO) MCP Server MCP server in PolicyLayer and add a rule for create_song: 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 create_song? +

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

Can I rate-limit create_song? +

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

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

create_song 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.