สแกนหุ้นไทย SET/MAI ทั้งตลาดหา uptrend 3-day pullback pattern\n
AI agents call scan_uptrend_pullback to retrieve information from Yahoo Finance without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a query/search tool that scans stock market data for specific technical patterns. It retrieves information but does not create, modify, delete, execute code, or perform financial transactions. The 'scan' prefix indicates data retrieval only, similar to sibling tools like scan_volatile_pullback_dry_volume which are data-fetching utilities.
From the tool's definition Tool performs scanning/pattern detection: 'สแกนหุ้นไทย SET/MAI ทั้งตลาดหา uptrend 3-day pullback pattern' (scan Thai SET/MAI stocks market for uptrend 3-day pullback pattern).
Attacks that exploit this kind of access
สแกนหุ้นไทย SET/MAI ทั้งตลาดหา uptrend 3-day pullback pattern\n. It is categorised as a Read tool in the Yahoo Finance MCP Server, which means it retrieves data without modifying state.
Register the Yahoo Finance MCP server in PolicyLayer and add a rule for scan_uptrend_pullback: 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 Yahoo Finance. Nothing to install.
scan_uptrend_pullback 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 scan_uptrend_pullback 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 scan_uptrend_pullback. 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.
scan_uptrend_pullback is provided by the Yahoo Finance MCP server (itjung-source/yahoo-finance-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
Teams ship this data inside their own products. See what a licence covers →