13D/G Ownership Changes | Major Stakes | Activist Investors -
AI agents call get_13dg_ownership_changes to retrieve information from Mcp Financex without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves SEC filing data about ownership changes, which is public information disclosure. While the data it accesses is sensitive (identifying major stakeholders and activist positions), the tool itself only reads/queries existing public filings—it does not modify, delete, or execute transactions.
From the tool's definition Tool name 'get_13dg_ownership_changes' and description reference '13D/G Ownership Changes | Major Stakes | Activist Investors'. 13D/G filings are SEC-mandated public disclosures of significant equity ownership changes.
Attacks that exploit this kind of access
13D/G Ownership Changes | Major Stakes | Activist Investors -. It is categorised as a Read tool in the Mcp Financex MCP Server, which means it retrieves data without modifying state.
Register the Mcp Financex MCP server in PolicyLayer and add a rule for get_13dg_ownership_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 Mcp Financex. Nothing to install.
get_13dg_ownership_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_13dg_ownership_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_13dg_ownership_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_13dg_ownership_changes is provided by the Mcp Financex MCP server (xerktech/mcp-financex). 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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