Overview Add NPM Registry to any ModuleX agent or workflow. Read-only access to the public npm registry: package info, search, popular packages, version history, dependency graphs, and download statistics.
Categories : Developer Tools & Infrastructure · Coding · Package Management · Developer Tools · Auth : API Key · Actions : 6
Authentication API Key Authentication Optional authentication for private npm registries. Leave empty for public npm registry access.
Required Credentials Field Description Required Format NPM API Key Your npm authentication token (optional for public registry) No -
Available Actions
get_package_info — Get detailed information about an npm package including name, version, description, author, homepage, repository, and dependencies
Parameters The name of the npm package to look up
Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "name" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Name" }, "version" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Version" }, "description" : { "default" : "" , "title" : "Description" , "type" : "string" }, "author" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Author" }, "homepage" : { "default" : "" , "title" : "Homepage" , "type" : "string" }, "repository" : { "default" : "" , "title" : "Repository" , "type" : "string" }, "license" : { "default" : "" , "title" : "License" , "type" : "string" }, "keywords" : { "items" : { "type" : "string" }, "title" : "Keywords" , "type" : "array" }, "dependencies" : { "additionalProperties" : { "type" : "string" }, "title" : "Dependencies" , "type" : "object" }, "devDependencies" : { "additionalProperties" : { "type" : "string" }, "title" : "Devdependencies" , "type" : "object" }, "peerDependencies" : { "additionalProperties" : { "type" : "string" }, "title" : "Peerdependencies" , "type" : "object" } }, "required" : [ "success" ], "title" : "GetPackageInfoOutput" , "type" : "object" }
search_packages — Search for npm packages by keyword or name
Parameters Number of results to return (1-250) (Default: 10)
Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "total" : { "default" : 0 , "title" : "Total" , "type" : "integer" }, "packages" : { "items" : { "additionalProperties" : true , "type" : "object" }, "title" : "Packages" , "type" : "array" } }, "required" : [ "success" ], "title" : "SearchPackagesOutput" , "type" : "object" }
get_popular_packages — Get a list of popular npm packages sorted by popularity score
Parameters Number of popular packages to return (1-250) (Default: 10)
Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "packages" : { "items" : { "additionalProperties" : true , "type" : "object" }, "title" : "Packages" , "type" : "array" } }, "required" : [ "success" ], "title" : "GetPopularPackagesOutput" , "type" : "object" }
get_package_versions — Get all available versions of an npm package with publication dates and dist-tags
get_package_dependencies — Get the dependencies, devDependencies, and peerDependencies of an npm package
Parameters The name of the npm package
Specific version (defaults to latest)
Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "name" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Name" }, "version" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Version" }, "dependencies" : { "additionalProperties" : { "type" : "string" }, "title" : "Dependencies" , "type" : "object" }, "devDependencies" : { "additionalProperties" : { "type" : "string" }, "title" : "Devdependencies" , "type" : "object" }, "peerDependencies" : { "additionalProperties" : { "type" : "string" }, "title" : "Peerdependencies" , "type" : "object" }, "optionalDependencies" : { "additionalProperties" : { "type" : "string" }, "title" : "Optionaldependencies" , "type" : "object" } }, "required" : [ "success" ], "title" : "GetPackageDependenciesOutput" , "type" : "object" }
get_package_download_stats — Get download statistics for an npm package including total and daily download counts
Parameters The name of the npm package
Time period for download statistics (Default: last-week)
Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "package" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Package" }, "period" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Period" }, "start" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Start" }, "end" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "End" }, "total_downloads" : { "default" : 0 , "title" : "Total Downloads" , "type" : "integer" }, "daily_downloads" : { "items" : { "additionalProperties" : true , "type" : "object" }, "title" : "Daily Downloads" , "type" : "array" } }, "required" : [ "success" ], "title" : "GetPackageDownloadStatsOutput" , "type" : "object" }
Limits & Quotas
npm’s public registry has loose, unenforced limits — be reasonable.
Two API hosts are involved: registry.npmjs.org (metadata) and
api.npmjs.org (downloads).
period must be one of last-day, last-week, last-month,
last-year (validated client-side; otherwise success=False).Search size is clamped to [1, 250].
Links 
