history

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

Compare size across recent versions (fetches each version sequentially — slow for large lists).

Parameters

NameTypeRequiredDescription
packagestringyes
versionsstringyesComma-sep version list (max 5 to avoid timeouts)

Example call

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

Response shape

Always returns: package, history

FieldTypeDescription
packagestringPackage name
historyarraySize data for each version
Full JSON Schema
{
  "type": "object",
  "description": "Bundle size history across multiple versions",
  "properties": {
    "package": {
      "type": "string",
      "description": "Package name"
    },
    "history": {
      "type": "array",
      "description": "Size data for each version",
      "items": {
        "type": "object",
        "properties": {
          "version": {
            "type": "string",
            "description": "Version number"
          },
          "size": {
            "type": "object",
            "description": "Bundle size data (if successful)"
          },
          "error": {
            "type": "string",
            "description": "Error message if fetch failed"
          }
        },
        "required": [
          "version"
        ]
      }
    }
  },
  "required": [
    "package",
    "history"
  ]
}

Connect

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

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

See Getting Started for client-specific install steps.

Regenerated from source · build May 21, 2026