npm Package Metadata
Package versions, dependencies, downloads, and maintainers from npm — the JavaScript ecosystem graph.
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Find Me This Data →Overview
What Is npm Package Metadata?
npm Package Metadata comprises the versioning information, dependency graphs, download statistics, and maintainer details from npm, the world's largest JavaScript package registry. With over 2.5 million packages and billions of weekly downloads, npm represents a critical data source for understanding software supply chain dynamics, package popularity, and ecosystem health. This metadata is essential for developers building applications, security researchers tracking vulnerabilities, and companies analyzing open-source adoption patterns across the JavaScript ecosystem.
Market Data
Over 2.5 million
npm Packages
Source: Splunk
Billions
Weekly Downloads
Source: Splunk
180+ compromised packages
Supply Chain Incidents (2025)
Source: SafeHeron
4.6/5 stars (86 reviews)
G2 Rating
Source: G2
Who Uses This Data
What AI models do with it.do with it.
Supply Chain Security Teams
Organizations monitor npm package metadata to detect compromised packages, malicious dependencies, and unauthorized version updates that could introduce vulnerabilities into their production environments.
Open Source Developers
Package maintainers and contributors use npm metadata to track version history, manage dependencies, understand download trends, and identify integration opportunities with complementary packages.
Security Researchers & Analysts
Threat researchers analyze npm metadata to study supply chain attack patterns, typosquatting campaigns, and dependency injection tactics to improve ecosystem defenses.
Enterprise Software Teams
Large organizations use npm metadata for software bill of materials (SBOM) generation, license compliance auditing, and dependency risk assessment across their JavaScript codebases.
What Can You Earn?
What it's worth.worth.
Individual Developer Access
Free
Basic npm registry access and public metadata
Enterprise Data Licensing
Varies
Custom pricing for organizations requiring bulk metadata exports, historical version data, and dependency analytics
Security Intelligence Products
Varies
Third-party security vendors resell npm metadata analysis through subscription services for vulnerability detection and supply chain monitoring
What Buyers Expect
What makes it valuable.valuable.
Complete Dependency Trees
Accurate, up-to-date dependency graphs showing all transitive and direct dependencies for each package version, with recursive depth mapping.
Historical Version Data
Complete version history including release dates, file sizes, checksum integrity data, and changes between versions to enable timeline analysis and vulnerability correlation.
Maintainer & Author Information
Verified maintainer profiles, email addresses, commit history, and update patterns to assess package trustworthiness and identify orphaned or inactive packages.
Download & Popularity Metrics
Weekly and monthly download statistics, trend data, and relative popularity rankings to understand package adoption, ecosystem momentum, and community adoption patterns.
Security Metadata
Known vulnerability associations, security advisory links, license compliance information, and reported security incidents tied to specific package versions.
Companies Active Here
Who's buying.buying.
Security threat research and npm supply chain attack detection/analysis
Dependency vulnerability detection and automated security updates for npm packages
Supply chain security monitoring and incident analysis for npm ecosystem risks
Repository security practices and npm dependency management documentation
FAQ
Common questions.questions.
What exactly is npm Package Metadata and why does it matter?
npm Package Metadata includes version numbers, dependency relationships, download counts, maintainer information, and security flags from npm's registry of over 2.5 million JavaScript packages. It matters because it enables supply chain security, helps developers understand ecosystem dependencies, and allows organizations to audit open-source compliance and identify vulnerable packages before deployment.
How is npm metadata used for security purposes?
Security teams monitor npm metadata to detect compromised packages, track malicious dependencies, identify typosquatting attempts, and monitor suspicious version updates. Researchers also use this data to study supply chain attack patterns and develop ecosystem defenses. Recent incidents have shown that attackers can inject harmful code into popular packages affecting thousands of downstream applications.
What are the most valuable components of npm package metadata?
The most valuable components include complete dependency trees (showing which packages depend on which others), historical version data with timestamps and checksums, maintainer authenticity and activity patterns, download statistics showing adoption trends, and security advisory links indicating known vulnerabilities or compromises.
How frequently does npm package metadata update and how current is the data?
npm package metadata updates in real-time as developers publish new versions and releases. Download statistics are typically aggregated at the weekly level. Historical data is preserved for all past versions, enabling researchers to correlate attacks, trace vulnerability propagation, and analyze long-term package evolution patterns.
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