npm Registry MCP Server: Install & Setup

Install npm Registry in Claude Code

Claude Code

claude mcp add npm-registry -- npx -y @yawlabs/npmjs-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "npm-registry": {
      "command": "npx",
      "args": [
        "-y",
        "@yawlabs/npmjs-mcp"
      ]
    }
  }
}

npm registry MCP server — package intelligence, security audits, dependency analysis

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add npm-registry -- npx -y @yawlabs/npmjs-mcp

cyanheads/osv-advisory-mcp-server

Query OSV.dev for package vulnerabilities and batch-audit dependency lists via MCP.

MCPAmpel/mcpampel

Scan installed MCP servers for security vulnerabilities with 16 detection engines.

mdostal/portunus

Secret broker for agents: reference secrets by name; values injected only at the execution boundary.

adelaidasofia/linear-mcp

Multi-workspace Linear MCP — PAT auth, 57 tools + 3 prompts, substrate enforcement, drop-in.

revsmoke/promptrejectormcp

Security gateway for AI agents: detects prompt injections, jailbreaks, and common vulnerabilities.

dinhkarate/keyshroud

Agent-safe secrets from self-hosted Vaultwarden/Bitwarden: injected into commands, masked in output