---

name: npms-analyze description: Analyze npm package quality using NPMS.io scores for quality, popularity, and maintenance. Use when the user asks for package quality analysis, NPMS scores, or package evaluation metrics.

Analyze npm Package Quality (NPMS.io)

Analyze an npm package using NPMS.io quality, popularity, and maintenance scores.

Usage

Copynpx tsx scripts/analyze.ts <package-name> [options]

Arguments

Options

Output

Copyreact - Package Analysis
-------------------------

Quality Scores:
  Overall: 98/100
  Quality: 95/100
  Popularity: 100/100
  Maintenance: 99/100

Package Information:
  Version: 18.2.0
  Description: A declarative, efficient, and flexible JavaScript library...
  Published: 2013-05-24

npm Statistics:
  Week: 2,345,678 downloads
  Month: 9,876,543 downloads
  Year: 98,765,432 downloads

GitHub Activity:
  Stars: 213,456
  Forks: 45,678
  Open Issues: 1,234
  Contributors: 1,567
  Latest Commit: 2 days ago

Project Health:
  ✓ Has contributing guide
  ✓ Has license
  ✓ Has security policy

Script Execution (Preferred)

Copynpx tsx scripts/analyze.ts <package-name> [options]

Options:

• --no-cache - Bypass cache and fetch fresh data from API

Run from the npms-io plugin directory: ~/.claude/plugins/cache/npms-io/

Package Analysis API

CopyGET https://api.npms.io/v2/package/{package}

Parameters

Examples

Get package analysis:

Copyhttps://api.npms.io/v2/package/react

Response Format

The response contains comprehensive package analysis:

Metadata

• name, version, description, keywords
• Links (npm, homepage, repository, bugs)
• Author, maintainers, publishers
• Publication date

npm Data

• downloads - Download counts over time
• weekDownloads, monthDownloads, quarterDownloads, yearDownloads

GitHub Data

• stars, forks, subscribers
• issues (open, closed, total)
• pull requests (open, closed, total)
• contributors, commitCount
• latestCommit (sha, date, message)
• recentReleases, firstRelease, latestRelease
• Quality flags: participatesInCoc, hasCustomCodeOfConduct, hasOpenDiscussions, hasContributingGuide, hasLicense, hasSecurityPolicy

Score (0-100)

• final - Overall score
• quality - Code quality assessment
• popularity - Community adoption
• maintenance - Project maintenance status

Caching

Package analysis is cached for 6 hours. NPMS.io data updates relatively infrequently, and package metrics change slowly over time.

Use the --no-cache flag to bypass the cache.

Related

• Use npms-compare to compare multiple packages side-by-side
• Use npms-suggest to find similar packages by name
• Use npm-info for detailed package metadata
• Use npm-downloads for download statistics

Error Handling

Package not found: The package may not exist in NPMS.io database. New packages may take time to be analyzed.

Incomplete analysis: Some packages may lack GitHub integration or download data, resulting in partial scores.

Analysis pending: Newly published packages may not have completed analysis. Check back later.

Interpreting Scores

Use Cases

Package Selection

Compare alternatives before choosing:

Copynpx tsx scripts/analyze.ts express
npx tsx scripts/analyze.ts koa
npx tsx scripts/analyze.ts fastify

Dependency Health

Check your dependencies:

Copynpx tsx scripts/analyze.ts lodash
npx tsx scripts/analyze.ts axios

Research

Evaluate new packages:

Copynpx tsx scripts/analyze.ts new-popular-package

Notes

• NPMS.io is independent of npm, providing third-party quality assessment
• Analysis includes data from npm registry, GitHub, and other sources
• Scores are algorithmically calculated based on multiple factors
• Not all packages have complete GitHub integration data
• Scores update periodically as package activity changes