Get recent analyst upgrades and downgrades
AI agents call get_analyst_changes to retrieve information from Financial Data 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 analyst sentiment data from external sources (likely Yahoo Finance API based on server description). It has no side effects, does not execute trades, does not modify portfolios, and does not commit financial transactions. While the Financial Data MCP Server deals with financial information, this specific tool performs passive data retrieval only.
From the tool's definition Tool name 'get_analyst_changes' and description 'Get recent analyst upgrades and downgrades' indicate data retrieval with no modification. The verb 'Get' and absence of any action words like 'execute', 'trade', 'modify', or 'delete' confirm read-only behavior.
Attacks that exploit this kind of access
Get recent analyst upgrades and downgrades. It is categorised as a Read tool in the Financial Data MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Financial Data MCP Server MCP server in PolicyLayer and add a rule for get_analyst_changes: 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 Financial Data MCP Server. Nothing to install.
get_analyst_changes 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_analyst_changes 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_analyst_changes. 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_analyst_changes is provided by the Financial Data MCP Server MCP server (j1c4b/finance_mcp_server). 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.
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