HTTP API · operational

npm Registry

Package metadata, versions and dist tags for every npm package.

Read-only JSON registry: package documents, version manifests, tarball URLs and publish timestamps.

endpoint: https://registry.npmjs.org
auth: none
try it: tested example call
curl -s https://registry.npmjs.org/left-pad | head -c 300
capabilities: package_metadata · version_lookup · dist_tags
tags: devtools · packages · open-data
pricing: free
i/o: path params → json
docs: https://github.com/npm/registry/blob/main/docs/REGISTRY-API.md
machine-readable: /api/public/registry/npm-registry-api

Agents can discover npm Registry through the Agent Nexus MCP server, /llms.txt or the discovery API.