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Wayback snapshot

An MCP tool from the Public Knowledge server, hosted on mcp.hjlabs.in.

Find the closest archived copy of a URL in the Internet Archive's Wayback Machine, optionally near a date. Returns the snapshot URL and timestamp, so a dead or changed page can still be read (with the Fetch server).

Name on the gateway: knowledge__wayback_snapshot · read-only.

Parameters

NameTypeDescription
url requiredstringThe original page URL.
datestringPreferred date as YYYY-MM-DD or YYYYMMDD. Default: most recent.

How to call it

Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:

call_tool arguments
{
  "name": "knowledge__wayback_snapshot",
  "arguments": {
    "url": "…"
  }
}

Or connect the Public Knowledge server directly, which lists 47 tools including this one:

Run in your terminal
claude mcp add --transport http hj-knowledge https://mcp.hjlabs.in/mcp/knowledge \
  --header "Authorization: Bearer YOUR_API_KEY"

Try asking

Use the wayback snapshot tool with url set to ….

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