Get the full portfolio holdings for a specific institution by CIK. Returns all positions
AI agents call get_institution_holdings to retrieve information from Signal8 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 institutional portfolio holdings data—a read-only operation with no side effects. While the data is financial in nature, the tool itself performs no financial transactions, does not execute code or commands, and does not modify any state. The severity is low because misuse would at worst result in unauthorized data access rather than financial loss or system compromise.
From the tool's definition Tool name 'get_institution_holdings' and description 'Get the full portfolio holdings for a specific institution by CIK. Returns all positions' indicate data retrieval with no modification, deletion, or execution of commands.
Attacks that exploit this kind of access
Get the full portfolio holdings for a specific institution by CIK. Returns all positions. It is categorised as a Read tool in the Signal8 MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Signal8 MCP Server MCP server in PolicyLayer and add a rule for get_institution_holdings: 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 Signal8 MCP Server. Nothing to install.
get_institution_holdings 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_institution_holdings 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_institution_holdings. 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_institution_holdings is provided by the Signal8 MCP Server MCP server (signal8ai/signal8-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.
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