`gsa_schedule_contract_holders`

Pack: gsa-elibrary · 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/gsa_schedule_contract_holders for the schema, then POST the same URL with its arguments for the data.

List Multiple Award Schedule contract holders for a given SIN (Special Item Number), optionally narrowed by a keyword matched against contractor name, contract number, city, or state. Returns each holder’s contract number, phone, and location. Use gsa_schedule_search first to find a valid schedule/SIN pair.

Parameters

Name	Type	Required	Description
`sin`	string	yes	Special Item Number (SIN), e.g. “541511” or “ALL 2”
`schedule`	string	no	Schedule/GWAC number the SIN belongs to (default “MAS”)
`keyword`	string	no	Optional filter against contractor name, contract number, city, or state
`limit`	number	no	Max holders to return (default ${DEFAULT_LIMIT}, max ${MAX_LIMIT})
`offset`	number	no	Pagination offset (default 0)

Example call

Arguments

{
  "sin": "541511",
  "schedule": "MAS",
  "limit": 5
}

curl

curl -X POST https://gateway.pipeworx.io/gsa-elibrary/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"gsa_schedule_contract_holders","arguments":{"sin":"541511","schedule":"MAS","limit":5}}}'

TypeScript (@pipeworx/sdk)

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

const result = await pipeworx.call('gsa_schedule_contract_holders', {
  "sin": "541511",
  "schedule": "MAS",
  "limit": 5
});

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 gsa-elibrary pack

{
  "mcpServers": {
    "gsa-elibrary": {
      "url": "https://gateway.pipeworx.io/gsa-elibrary/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

gsa_schedule_contract_holders