Pipe library / npm-new-versions

npm-new-versions

New versions of an npm package since the last successful run.

Developer monitoring

registry.npmjs.org

CLI

pipes run examples/npm-new-versions.pipe.yamlCopy CLI

MCP call

{
  "name": "pipe__npm-new-versions",
  "arguments": {}
}Copy MCP call

Pipe file

examples/npm-new-versions.pipe.yaml

pipes: 0
name: npm-new-versions
version: 0.1.0
description: New versions of an npm package since the last successful run.
permissions:
  network: [registry.npmjs.org]
inputs:
  type: object
  properties:
    package:
      type: string
      pattern: "^[A-Za-z0-9._@/-]+$"
      default: left-pad
  required: [package]
outputs:
  type: object
  properties:
    text: { type: string }
    count: { type: integer }
  required: [text, count]
output:
  text: "${steps.format.text}"
  count: "${steps.format.count}"
steps:
  - id: fetch
    block: fetch_http
    with:
      url: "https://registry.npmjs.org/${inputs.package}"
      max_bytes: 2000000
    retry: { max: 2, backoff_ms: 500 }
    timeout_ms: 15000
  - id: versions
    block: parse_json
    in: "${steps.fetch}"
    with:
      path: versions
      entries: true
  - id: shaped
    block: map
    in: "${steps.versions}"
    with:
      set:
        version: "${item.key}"
        package: "${inputs.package}"
      pick: [version, package]
  - id: new
    block: diff_since_last
    in: "${steps.shaped}"
    with:
      key: [package, version]
      compare: [version]
      emit: [added]
      first_run: all
  - id: capped
    block: limit
    in: "${steps.new}"
    with: { n: 20 }
  - id: format
    block: format
    in: "${steps.capped}"
    with:
      header: "npm versions:\n"
      item_template: "- ${item.package}@${item.version}"
      separator: "\n"
  - id: print
    block: emit_stdout
    in: "${steps.format.text}"
    with: { format: text }
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