Scan symbols for bullish trends using SMA, RSI, MACD, ADX. Returns top N symbols ranked by composite bullish score. Args: symbols: Comma-separated ticker symbols top_n: Number of top symbols to return (default 30) period: Historical period (1mo, 3mo, 6mo)
AI agents call scan_bullish to retrieve information from Trading Skills without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only queries and analyzes existing market data to identify bullish trends. It produces analysis results without creating, modifying, deleting, or executing any transactions.
From the tool's definition The tool performs a 'Scan' operation that 'Returns top N symbols ranked by composite bullish score' using technical indicators (SMA, RSI, MACD, ADX). It retrieves and analyzes historical market data with no modifications to any system, account, or data store.
Documented attack patterns abuse exactly the kind of access scan_bullish gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Trading Skills, and nothing reaches the server without passing your rules. This is the rule we recommend for scan_bullish:
{
"version": "1",
"default": "deny",
"tools": {
"scan_bullish": {}
}
}scan_bullish is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Scan symbols for bullish trends using SMA, RSI, MACD, ADX. Returns top N symbols ranked by composite bullish score. Args: symbols: Comma-separated ticker symbols top_n: Number of top symbols to return (default 30) period: Historical period (1mo, 3mo, 6mo). It is categorised as a Read tool in the Trading Skills MCP Server, which means it retrieves data without modifying state.
Register the Trading Skills MCP server in PolicyLayer and add a rule for scan_bullish: 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 Trading Skills. Nothing to install.
scan_bullish 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_bullish 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_bullish. 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_bullish is provided by the Trading Skills MCP server (staskh/trading_skills). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 35 Trading Skills tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
35 Trading Skills tools catalogued and risk-classified — across an index of 42,500+ MCP servers.