resolve_instrument_smart · Nubra MCP Server MCP

WHAT IT DOES

What resolve_instrument_smart does on Nubra MCP Server

AI agents call resolve_instrument_smart to retrieve information from Nubra MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why resolve_instrument_smart needs a policy

This tool performs a lookup/search operation to resolve trading instrument identifiers using fuzzy matching. It only retrieves/queries data with no side effects — no data is created, modified, deleted, or financial transactions are made.

From the tool's definition Resolve a symbol or option query using fuzzy matching plus optional expiry/strike filters

Attacks that exploit this kind of access

Questions about resolve_instrument_smart

What does the resolve_instrument_smart tool do? +

Resolve a symbol or option query using fuzzy matching plus optional expiry/strike filters. It is categorised as a Read tool in the Nubra MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on resolve_instrument_smart? +

Register the Nubra MCP Server MCP server in PolicyLayer and add a rule for resolve_instrument_smart: 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 Nubra MCP Server. Nothing to install.

What risk level is resolve_instrument_smart? +

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

Can I rate-limit resolve_instrument_smart? +

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

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

resolve_instrument_smart is provided by the Nubra MCP Server MCP server (socials-zanskar/nubra-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.