This API request returns portfolio composition of a mutual fund, including sectors, holding details, weighted exposure, and others.
AI agents call GetMutualFundsWorldComposition to retrieve information from Twelve Data MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves mutual fund portfolio metadata and composition information from the Twelve Data API. It is a read-only operation that fetches financial data without creating, modifying, deleting, or executing any operations. The blast radius of misuse is minimal—an agent could only retrieve publicly available or user-accessible financial data, which presents no destructive or financial risk.
From the tool's definition Tool 'GetMutualFundsWorldComposition' returns portfolio composition data including sectors, holding details, and weighted exposure.
Documented attack patterns abuse exactly the kind of access GetMutualFundsWorldComposition gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Twelve Data MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for GetMutualFundsWorldComposition:
{
"version": "1",
"default": "deny",
"tools": {
"GetMutualFundsWorldComposition": {}
}
}GetMutualFundsWorldComposition is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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This API request returns portfolio composition of a mutual fund, including sectors, holding details, weighted exposure, and others. It is categorised as a Read tool in the Twelve Data MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Twelve Data MCP Server MCP server in PolicyLayer and add a rule for GetMutualFundsWorldComposition: 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 Twelve Data MCP Server. Nothing to install.
GetMutualFundsWorldComposition is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the GetMutualFundsWorldComposition 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 GetMutualFundsWorldComposition. 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.
GetMutualFundsWorldComposition is provided by the Twelve Data MCP Server MCP server (twelvedata/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 186 Twelve Data MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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186 Twelve Data MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.