Get metadata about a dataset without downloading data.
AI agents call get_dataset_metadata to retrieve information from Nasdaq Data Link MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries dataset metadata without downloading actual data or modifying anything. It is a read-only operation with no reversible or irreversible changes, no code execution, and no financial transactions. The absence of data modification and side effects places it firmly in the Read category with low severity.
From the tool's definition Tool description states 'Get metadata about a dataset without downloading data' and is categorized as a sibling to search and retrieval tools on a financial data access server. It performs metadata queries with no side effects.
Documented attack patterns abuse exactly the kind of access get_dataset_metadata gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Nasdaq Data Link MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_dataset_metadata:
{
"version": "1",
"default": "deny",
"tools": {
"get_dataset_metadata": {}
}
}get_dataset_metadata is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get metadata about a dataset without downloading data. It is categorised as a Read tool in the Nasdaq Data Link MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Nasdaq Data Link MCP Server MCP server in PolicyLayer and add a rule for get_dataset_metadata: 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 Nasdaq Data Link MCP Server. Nothing to install.
get_dataset_metadata 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 get_dataset_metadata 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 get_dataset_metadata. 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.
get_dataset_metadata is provided by the Nasdaq Data Link MCP Server MCP server (stefanoamorelli/nasdaq-data-link-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 5 Nasdaq Data Link MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
5 Nasdaq Data Link MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.