Core01
| Package | Import | Description |
| nexus | github.com/xraph/nexus | Gateway, Engine, Config, Options |
| id | github.com/xraph/nexus/id | TypeID prefixes and constructors |
| plugin | github.com/xraph/nexus/plugin | Extension interfaces and Registry |
Providers02
| Package | Import | Description |
| provider | github.com/xraph/nexus/provider | Provider interface, Request/Response |
| openai | github.com/xraph/nexus/providers/openai | OpenAI provider |
| anthropic | github.com/xraph/nexus/providers/anthropic | Anthropic provider |
| opencompat | github.com/xraph/nexus/providers/opencompat | OpenAI-compatible provider |
Pipeline03
| Package | Import | Description |
| pipeline | github.com/xraph/nexus/pipeline | Middleware chain builder |
| middlewares | github.com/xraph/nexus/pipeline/middlewares | Built-in middleware |
| router | github.com/xraph/nexus/router | Routing service |
| strategies | github.com/xraph/nexus/router/strategies | Routing strategies |
Features04
| Package | Import | Description |
| guard | github.com/xraph/nexus/guard | Guardrail interface and service |
| guards | github.com/xraph/nexus/guard/guards | Built-in guards |
| cache | github.com/xraph/nexus/cache | Cache interface and service |
| stores | github.com/xraph/nexus/cache/stores | Cache backends |
| transform | github.com/xraph/nexus/transform | Input/output transforms |
| model | github.com/xraph/nexus/model | Alias registry and token counting |
Infrastructure05
| Package | Import | Description |
| store | github.com/xraph/nexus/store | Persistence interface |
| memory | github.com/xraph/nexus/store/memory | In-memory store |
| sqlite | github.com/xraph/nexus/store/sqlite | SQLite store |
| postgres | github.com/xraph/nexus/store/postgres | PostgreSQL store |
| tenant | github.com/xraph/nexus/tenant | Tenant entity and service |
| key | github.com/xraph/nexus/key | API key management |
| usage | github.com/xraph/nexus/usage | Usage tracking |
| auth | github.com/xraph/nexus/auth | Auth provider interface |
Extensions06
| Package | Import | Description |
| audit_hook | github.com/xraph/nexus/audit_hook | Audit event recording |
| observability | github.com/xraph/nexus/observability | Metrics and tracing |
| relay_hook | github.com/xraph/nexus/relay_hook | Webhook relay |
| extension | github.com/xraph/nexus/extension | Forge extension adapter |
Utilities07
| Package | Import | Description |
| proxy | github.com/xraph/nexus/proxy | OpenAI-compatible HTTP proxy |
| api | github.com/xraph/nexus/api | Forge HTTP handlers |
| fallback | github.com/xraph/nexus/fallback | Circuit breaking and retry |
| batch | github.com/xraph/nexus/batch | Batch processing |
| mcp | github.com/xraph/nexus/mcp | Model Context Protocol |