Assertive is a terse yet expressive assertion library. 

assertive

Assertive is a terse yet expressive assertion library

endangeredmassa

ecmanaut

groupon

Blocks malicious packages at install time across 10+ ecosystems — protecting developers before threats reach production. Works out of the box with unlimited packages, flexible deployments, and enterprise-ready self-hosting.

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Automatically generate fixes for vulnerable dependencies with safe, tested upgrades.

Prevent compromised packages from infiltrating your supply chain by monitoring for changes in real-time. Block 70+ types of open source threats, including malware, typo-squatting, and backdoors.

Shift left by catching risky or low-quality dependencies before they're merged. Use CI gating, PR comments, and visual warnings to guide developers early and enforce security guardrails.

Removes known vulnerabilities instantly without upgrading dependencies. Delivers safe, human-reviewed, AI-validated patches that live in your repo, eliminate risky updates, and keep builds stable while reducing supply chain exposure.

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Scans browser extensions for risk and malware — supports Chrome, Firefox, Edge, and Safari.

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Configure Socket Firewall to run with private registries or as a chained HTTP proxy for full control of dependency ingress.

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Works with JavaScript/TypeScript (npm, Yarn, pnpm), Python (pip, uv), and Rust (cargo).

Deploy Socket Firewall in your own infrastructure, with flexible modes for wrapper-only or full network proxy operation.

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See how your security changes over time with 30 days of historical insights. Track alert trends, monitor dependency changes, and export data via API for custom dashboards.

Surfaces security issues directly in IDEs to help developers fix faster while coding. VS Code extension includes a bundled MCP server by default.

Surfaces issues and fixes in the IDE, helping developers catch and resolve problems as they code.

Socket scans for vulnerabilities in your dependencies, including CVEs, security advisories, and more.

Socket supports JavaScript, TypeScript, Python, Go, Java, Ruby, .NET, Scala, Kotlin, Rust, and more — with continuous expansion to cover the most popular ecosystems.

Automatically enforce license policies across all repositories, blocking non-compliant dependencies and ensuring your entire organization stays compliant.

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Use Socket Web Extension to educate developers at the earliest possible point in time about package risks before they install them on their local development systems. Supports Chrome, Edge, and Firefox.

Import or export Software Bills of Materials (SBOMs) to track and audit dependencies.

Scans AI models on PyPI and HuggingFace for malicious code, backdoors, and other security risks.

Scans GitHub Actions for malicious code, backdoors, and other security risks — protecting your CI/CD workflows from supply-chain attacks.

Automate user provisioning and deprovisioning with SCIM.

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Connects to public registries to scan container images from Docker Hub, ECR, ACR, GCR, and more.

Applies to all scans — whether triggered via API, CLI, IDE, or SCM integrations.

Block commits and pushes with secrets using git hooks—before they ever hit your repo.

Detect a wide range of secrets with over 800 built-in detectors covering API keys, credentials, tokens, and more—right out of the box.

The Socket CLI allows teams to prevent risky dependencies from being installed, and to get dependency insights from the command line.

Connects to your source code management system to scan repos, review PRs or MRs, and enrich the developer workflow with security insights.

Socket supports SAML SSO for single sign-on and identity management.

Paid add-on. Provides real-time access to curated vulnerability and malware threat data for use in your own tools and workflows.

Integrate with Jira. Linear is coming soon.

Filters out CVEs in functions your code doesn’t call — reducing up to 90% of false positives and irrelevant CVEs. Tier 1 reachability provides the highest quality reachability data. Easy to setup. Need to add a CLI command to CI/CD or GitHub Action to the repository.

Analyze the reachability of vulnerabilities in your dependencies.

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assertive - npm Package Maintainers