Get a single extraction type for a company by ticker symbol or CIK number.
AI agents call get_extraction_by_type 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 financial intelligence derived from SEC filings. Although the underlying data is financial in nature, the tool itself performs a passive read/query operation—it does not move money, execute code, modify records, or delete data. It returns extracted filing intelligence to the user for analysis.
From the tool's definition Tool performs 'Get a single extraction type' — a retrieval operation with no modification, deletion, or execution. It queries SEC filing data (extracted information) by identifier (ticker or CIK).
Attacks that exploit this kind of access
Get a single extraction type for a company by ticker symbol or CIK number. 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_extraction_by_type: 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_extraction_by_type 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_extraction_by_type 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_extraction_by_type. 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_extraction_by_type 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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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