# NuGet

**Canonical:** https://apis.io/providers/nuget/  
**Website:** https://www.nuget.org/  
**APIs profiled:** 7

NuGet is the package manager for .NET, providing a centralized repository for developers to discover, share, and consume reusable code libraries. The NuGet developer platform exposes a set of HTTP APIs that enable programmatic access to package search, metadata retrieval, content download, catalog browsing, and package publishing against the nuget.org feed.

## Kin Score — 37.3 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 37.3).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 56.6 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 33.3 |
| Commercial Clarity | 40.8 |
| Access Clarity | 40.8 |

## Agent readiness — 33.2 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: high).

## APIs (7)

- **NuGet Catalog API** — The NuGet Catalog API is an append-only resource that records the full history of all package events on nuget.org, including packages being added, modified, listed, unlisted, an...
- **NuGet Search API** — The NuGet Search API allows clients to query for packages available on a NuGet package source using the SearchQueryService resource found in the service index. It supports filte...
- **NuGet Package Content API** — The NuGet Package Content API, accessed through the PackageBaseAddress resource, allows clients to download package content files (.nupkg) and package manifests (.nuspec) from a...
- **NuGet Autocomplete API** — Autocomplete package IDs and enumerate package versions for typeahead and discovery features.
- **NuGet Package Publish API** — Endpoints for pushing new packages, deleting or unlisting packages, and relisting previously unlisted packages on a NuGet feed.
- **NuGet Registration API** — Package registration endpoints for fetching metadata about packages, organized into an index, pages, and leaves hierarchy.
- **NuGet Service Index API** — The service index is the entry point for the NuGet V3 API. It is a JSON document that lists all available resources and their capabilities.

## MCP servers (1)

- **MCP Server**

## Agentic access (1)

- **Nuget Agentic Access** — 16 operations · 3 acting

## Security (3)

- **Nuget Authentication** — apiKey · 1 scheme
- **Nuget Domain Security** — TLSv1.3 · HSTS · DMARC
- **Nuget Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Nuget Plans Pricing**

## Tags

Package Management, .NET, Packages, Dependencies, Software Distribution, Registry

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/nuget/). Scores are computed from the provider's own public artifacts under a published rubric.