Get news sentiment analysis for a stock. Uses Tiingo News API or LLM-based analysis with fallback. Args: ticker: Stock ticker symbol timeframe: Time frame for news (1d, 7d, 30d) limit: Maximum number of articles to analyze (default 10)
AI agents call get_news_sentiment to retrieve information from MaverickMCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only queries external news sources and performs analytical operations on retrieved data. It has no side effects—it does not create, modify, delete, or execute operations. It does not move money or commit financial obligations. While it exists within a financial analysis platform, the tool itself is purely informational (Read category).
From the tool's definition Tool 'get_news_sentiment' retrieves and analyzes news data for stocks using 'Tiingo News API or LLM-based analysis with fallback'. The parameters (ticker, timeframe, limit) are all query/fetch parameters with no modification or execution capabilities.
Documented attack patterns abuse exactly the kind of access get_news_sentiment gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and MaverickMCP, and nothing reaches the server without passing your rules. This is the rule we recommend for get_news_sentiment:
{
"version": "1",
"default": "deny",
"tools": {
"get_news_sentiment": {}
}
}get_news_sentiment is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get news sentiment analysis for a stock. Uses Tiingo News API or LLM-based analysis with fallback. Args: ticker: Stock ticker symbol timeframe: Time frame for news (1d, 7d, 30d) limit: Maximum number of articles to analyze (default 10). It is categorised as a Read tool in the MaverickMCP MCP Server, which means it retrieves data without modifying state.
Register the Maverick MCP server in PolicyLayer and add a rule for get_news_sentiment: 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 MaverickMCP. Nothing to install.
get_news_sentiment 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_news_sentiment 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_news_sentiment. 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_news_sentiment is provided by the Maverick MCP server (wshobson/maverick-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 54 MaverickMCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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54 MaverickMCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.