`ftd_largest`

Pack: sec-ftd · Connect: https://pipeworx.io/mcp (see Connect below for a single-pack URL)

No MCP client? Call it directly: GET https://gateway.pipeworx.io/v1/tools/ftd_largest for the schema, then POST the same URL with its arguments for the data.

The largest fails-to-deliver in one SEC reporting period, ranked by share count, from the CNS fails-to-deliver file. Returns ticker, security description, settlement date, shares failed and price. A fail-to-deliver is a settlement failure and is NOT evidence of naked short selling — the SEC says so explicitly; ordinary causes include processing delays and illiquidity. Answers “which stocks had the most failed deliveries this period”.

Parameters

Name	Type	Required	Description
`period`	string	no	Reporting period as YYYYMM plus a or b — “202607b” is the second half of July 2026. Omit for the most recent published period. Call ftd_periods to see what exists.
`limit`	number	no	How many securities to return, 1-100 (default 25).

Example call

Arguments

{
  "limit": 25
}

curl

curl -X POST https://gateway.pipeworx.io/sec-ftd/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"ftd_largest","arguments":{"limit":25}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('ftd_largest', {
  "limit": 25
});

More examples

{
  "period": "202607b",
  "limit": 10
}

Connect

Add this to your MCP client config — every tool in the catalog, including this one — or use one-click install buttons:

{
  "mcpServers": {
    "pipeworx": {
      "url": "https://pipeworx.io/mcp"
    }
  }
}

Connect to just the sec-ftd pack

{
  "mcpServers": {
    "sec-ftd": {
      "url": "https://gateway.pipeworx.io/sec-ftd/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

ftd_largest