List all available Vietnam stock symbols. Returns a comprehensive list of stock symbols traded on Vietnamese stock exchanges (HOSE, HNX, UPCOM). Similar to list_assets in coincap-mcp.
AI agents call list_vn_stocks to retrieve information from VN Stock API 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 static stock symbol data from Vietnamese exchanges (HOSE, HNX, UPCOM) without modifying, deleting, or executing any operations. It is purely informational with no blast radius if misused by an AI agent—returning a list of symbols cannot cause harm.
From the tool's definition Tool name 'list_vn_stocks' and description 'List all available Vietnam stock symbols. Returns a comprehensive list of stock symbols' indicate data retrieval with no side effects.
Attacks that exploit this kind of access
List all available Vietnam stock symbols. Returns a comprehensive list of stock symbols traded on Vietnamese stock exchanges (HOSE, HNX, UPCOM). Similar to list_assets in coincap-mcp. It is categorised as a Read tool in the VN Stock API MCP Server MCP Server, which means it retrieves data without modifying state.
Register the VN Stock API MCP Server MCP server in PolicyLayer and add a rule for list_vn_stocks: 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 VN Stock API MCP Server. Nothing to install.
list_vn_stocks 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 list_vn_stocks 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 list_vn_stocks. 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.
list_vn_stocks is provided by the VN Stock API MCP Server MCP server (long0308/vn-stock-api-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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