AI agents use pay_royalty_on_behalf to commit financial operations through Story SDK MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool moves money (royalty payments) and commits financial obligations. The 'on_behalf' construction is particularly concerning for an AI agent, as it could execute transfers for unintended recipients or amounts.
From the tool's definition Tool name 'pay_royalty_on_behalf' combined with server context describing IP asset management, licensing, and financial operations like 'claim_all_revenue' and 'deposit_wip'.
Documented attack patterns abuse exactly the kind of access pay_royalty_on_behalf gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Story SDK MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for pay_royalty_on_behalf:
{
"version": "1",
"default": "deny",
"tools": {
"pay_royalty_on_behalf": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
} Any call to pay_royalty_on_behalf is blocked until a human approves it. The rest of the server keeps working.
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pay_royalty_on_behalf. It is categorised as a Financial tool in the Story SDK MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Story SDK MCP Server MCP server in PolicyLayer and add a rule for pay_royalty_on_behalf: 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 Story SDK MCP Server. Nothing to install.
pay_royalty_on_behalf is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the pay_royalty_on_behalf 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.
Set action: deny in the PolicyLayer policy for pay_royalty_on_behalf. 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.
pay_royalty_on_behalf is provided by the Story SDK MCP Server MCP server (piplabs/story-mcp-hub). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Story SDK MCP Server, 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 Story SDK MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.