search_13d_filings
Search recent SEC Schedule 13D / 13G filings from the past 72 hours. Args: activist: Filter to filings tagged with this activist filer name. Substring match, case-insensitive. Examples: 'Saba', 'Starboard', 'Icahn', 'Elliott', 'Pershing'. min_percent: Minimum percent of class disclosed. include_a...
This record as markdown: /tools/com-filingfirehose-firehose/search-13d-filings.md
What search_13d_filings does on FilingFirehose
AI agents call search_13d_filings to retrieve information from FilingFirehose without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
limit | integer | — | |
activist | object | — | |
min_percent | object | — | |
include_amendments | boolean | — | |
include_passive_13g | boolean | — |
Parameters from the server's own tool schema.
Why search_13d_filings is rated Low
This is a data retrieval tool that queries historical SEC filing data with filtering options. It has no side effects—it only reads and returns publicly available SEC disclosure documents.
From the tool's definition Tool searches and retrieves SEC Schedule 13D/13G filings; the name explicitly states 'search_13d_filings' and description confirms it 'Search[es] recent SEC Schedule 13D / 13G filings'.
Attacks that exploit this kind of access
The rule that runs search_13d_filings safely
PolicyLayer is an MCP gateway: it sits between your AI agents and FilingFirehose, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For search_13d_filings, this is the rule to start with:
search_13d_filings is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect FilingFirehose, apply this rule, and every search_13d_filings call is checked against it from then on.
Questions about search_13d_filings
Search recent SEC Schedule 13D / 13G filings from the past 72 hours. Args: activist: Filter to filings tagged with this activist filer name. Substring match, case-insensitive. Examples: 'Saba', 'Starboard', 'Icahn', 'Elliott', 'Pershing'. min_percent: Minimum percent of class disclosed. include_amendments: Include 13D/A and 13G/A amendments. Default True. include_passive_13g: Include passive Schedule 13G filings. Default False (only active 13D / 13D/A returned). limit: Max results (1-50, default 25). Returns: JSON list of filings with cusip, percent_of_class, aggregate_amount, activist_filers, and an Item 4 purpose excerpt. It is categorised as a Read tool in the FilingFirehose MCP Server, which means it retrieves data without modifying state.
search_13d_filings accepts 5 parameters: limit, activist, min_percent, include_amendments, include_passive_13g. The full parameter table on this page comes from the server's own tool schema.
Register the FilingFirehose MCP server in PolicyLayer and add a rule for search_13d_filings: 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 FilingFirehose. Nothing to install.
search_13d_filings 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 search_13d_filings 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 search_13d_filings. 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.
search_13d_filings is provided by the FilingFirehose MCP server (https://filingfirehose.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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