`check_availability`

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

Check if a URL has been archived by the Wayback Machine and get the closest available snapshot. Returns the archive URL and timestamp if available.

Parameters

Name	Type	Required	Description
`url`	string	yes	URL to check for availability (e.g., “https://example.com”)

Example call

Arguments

{
  "url": "https://example.com"
}

curl

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

TypeScript (@pipeworx/sdk)

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

const result = await pipeworx.call('check_availability', {
  "url": "https://example.com"
});

More examples

{
  "url": "github.com/user/repo"
}

Response shape

Always returns: url, available, archive_url, timestamp

Field	Type	Description
`url`	string	The URL that was checked
`available`	boolean	Whether an archived snapshot is available
`archive_url`	string \| null	URL to the archived snapshot, or null if not available
`timestamp`	string \| null	Timestamp of the closest snapshot, or null if not available
`status`	string	HTTP status of the archived snapshot (only present if available)

Full JSON Schema

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "The URL that was checked"
    },
    "available": {
      "type": "boolean",
      "description": "Whether an archived snapshot is available"
    },
    "archive_url": {
      "type": [
        "string",
        "null"
      ],
      "description": "URL to the archived snapshot, or null if not available"
    },
    "timestamp": {
      "type": [
        "string",
        "null"
      ],
      "description": "Timestamp of the closest snapshot, or null if not available"
    },
    "status": {
      "type": "string",
      "description": "HTTP status of the archived snapshot (only present if available)"
    }
  },
  "required": [
    "url",
    "available",
    "archive_url",
    "timestamp"
  ]
}

Connect

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

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

See Getting Started for client-specific install steps.

check_availability