Best npm MCP Servers
npm is the world's largest software registry, used by JavaScript developers to share and borrow packages for their projects.
Why this server?
Supports installation and building of the MCP server through npm package management, with commands for dependencies, building, and running the inspector.
AlicenseAqualityFmaintenanceAdd human approval steps to your AI agents and automations with gotoHuman.346 npm52MITWhy this server?
The MCP server is distributed as an npm package that can be installed and run using npx.
AlicenseAqualityAmaintenanceA Model Context Protocol (MCP) server for querying drug information from the OpenFDA API. Features Retrieve drug label information by brand name Retrieve drug information by generic (active ingredient) name Get all brand versions of a generic drug Get adverse event (side effect) reports for a drug267361 npm4MITWhy this server?
Allows grading MCP servers published on npm by referencing their npm package identifier.

Polygraphofficial
AlicenseAqualityCmaintenanceOpen behavioral litmus for MCP servers — grades A–F across tool-output injection, egress, sensitive-data, and adversarial-input, with reproducible, content-addressed evidence. Tools: run_litmus, verify_attestation.4269 npm8Apache 2.0Why this server?
Provides verification of npm packages, allowing AI assistants to check a package URL, batch-verify dependency lists, evaluate policies, fetch attestations, and resolve package names before installation.

phylax-mcpofficial
AlicenseAqualityBmaintenanceMCP server that integrates the Phylax verification API, enabling AI assistants to verify packages, repositories, and other MCP servers before use. It exposes tools for verifying artifacts, checking policies, and fetching attestations.73 npmMITWhy this server?
Available as an npm package (@debugg-ai/debugg-ai-mcp) for easy installation and integration

Debugg AI MCPofficial
AlicenseAqualityAmaintenanceZero-Config, Fully AI-Managed End-to-End Testing for all code gen platforms.8247 npm68Apache 2.0Why this server?
Allows installation and execution of the MCP server through npm, supporting both global and local installation patterns.

Vendure MCP Serverofficial
AlicenseBqualityFmaintenanceA standalone server that enables programmatic interaction with Vendure CLI commands, allowing external MCP clients to automate and integrate with Vendure e-commerce projects through command execution and project analysis.721 npm12MITWhy this server?
Facilitates package management and distribution of the MCP server for Chinese company data queries, allowing for easy installation via 'npx'
AlicenseAqualityFmaintenanceUsense Data API now supports the MCP protocol, enabling easy enterprise data access via LLMs through the MCP-compatible usensedata-mcp-server-query-china-company.925 npm5MITWhy this server?
Enables searching for npm packages and retrieving package metadata such as latest version, license, and repository.
AlicenseAqualityDmaintenanceMCP server that gives LLMs access to up-to-date mobile SDK documentation, package registry info, and GitHub issues.668 npmMITWhy this server?
Checks npm dependencies for hallucinated packages, typosquats, brand-new packages, and known CVEs with upgrade guidance.

shipsafe-mcpofficial
AlicenseAqualityCmaintenanceEnables AI coding assistants to scan projects for security issues such as leaked API keys, missing Supabase RLS, open Firebase rules, unauthenticated routes, and hallucinated packages, then fix and verify the results.8MIT