Socket Security API
Analyzes open-source npm, PyPI, and other package dependencies for supply chain risks including malware, typosquatting, protestware, and suspicious behavior using deep package inspection.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Ironically strong internal security practices for a security product; API keys are the only auth method with no granular scoping, which is a minor concern for multi-team setups.
⚡ Reliability
Best When
Best when an agent needs to evaluate the trustworthiness of open-source packages before they enter a codebase, particularly for detecting novel supply chain attacks that CVE databases miss.
Avoid When
Avoid when the only concern is known CVEs in dependencies — a dedicated CVE scanner will have more comprehensive vuln data for that use case.
Use Cases
- • Scan a package.json or requirements.txt before installation to detect supply chain threats in an automated agent workflow
- • Query package risk scores and alerts to gate pull requests that introduce new or updated dependencies
- • Retrieve detailed package behavior reports (network access, filesystem writes, shell exec) to assess third-party risk
- • Monitor a set of packages over time and receive alerts when a previously safe package is compromised or updated suspiciously
- • Generate SBOM-enriched risk summaries for an application's full dependency tree to include in security reports
Not For
- • Runtime application security monitoring — Socket analyzes packages statically, not running processes
- • CVE-only vulnerability scanning already covered by tools like Snyk or Dependabot
- • Binary or container image scanning outside of supported package ecosystems
Interface
Authentication
API key passed as a Bearer token; keys are issued per organization. GitHub App integration available as an alternative auth path for repo-level access.
Pricing
API access beyond the free tier requires a paid plan; public package lookups may be available without auth at reduced rate.
Agent Metadata
Known Gotchas
- ⚠ Package scores can change between calls as Socket's analysis pipeline updates asynchronously; cache results carefully if consistency matters
- ⚠ The API distinguishes between 'alerts' (actionable findings) and 'scores' (aggregate risk), and agents often need both in separate calls
- ⚠ Ecosystem parameter is required for most package endpoints and must match exactly (e.g., 'npm', 'pypi') — mismatches return empty rather than errors
- ⚠ Bulk package analysis is not available via a single API call; agents must loop over packages individually, which can be slow for large lockfiles
- ⚠ Webhook payloads for new alerts require the receiving endpoint to handle deduplication, as the same package can trigger multiple alerts
Alternatives
Full Evaluation Report
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Scores are editorial opinions as of 2026-03-06.