`get_reverse_dependencies`

Pack: rubygems · Endpoint: https://gateway.pipeworx.io/rubygems/mcp

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

List gems that depend on this gem. Useful for understanding ecosystem impact (“what depends on Rack?”) or risk surface (“how many gems would break if this one had a vulnerability?”). API caps at 50 names per request.

Parameters

Name	Type	Required	Description
`name`	string	yes	Gem name (e.g., “rack”)

Example call

Arguments

{
  "name": "rack"
}

curl

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

TypeScript (@pipeworx/sdk)

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

const result = await pipeworx.call('get_reverse_dependencies', {
  "name": "rack"
});

Response shape

Always returns: found, name

Field	Type	Description
`found`	boolean	Whether the gem was found
`name`	string	Gem name
`hint`	string	Error message when gem not found
`count`	number	Total number of gems that depend on this one
`dependents`	array	Names of gems depending on this one (up to 50)
`has_more`	boolean	Whether there are more than 50 dependents

Full JSON Schema

{
  "type": "object",
  "properties": {
    "found": {
      "type": "boolean",
      "description": "Whether the gem was found"
    },
    "name": {
      "type": "string",
      "description": "Gem name"
    },
    "hint": {
      "type": "string",
      "description": "Error message when gem not found"
    },
    "count": {
      "type": "number",
      "description": "Total number of gems that depend on this one"
    },
    "dependents": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Names of gems depending on this one (up to 50)"
    },
    "has_more": {
      "type": "boolean",
      "description": "Whether there are more than 50 dependents"
    }
  },
  "required": [
    "found",
    "name"
  ]
}

Connect

Add this to your MCP client config, or use one-click install buttons:

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

See Getting Started for client-specific install steps.

get_reverse_dependencies