Observatory proof
Repository proof
What ArcSight found in real codebases — blast radius, break paths, and evidence. Only repositories with complete structural proof are listed.
Trust path: Homepage → Validation → Repository proof → 2026 report → Install
- Next.jsFlagship proof
React production framework
High-risk module src/shared/lib/app-router-types (fan-in 45) — CRITICAL.
1,942 modules · 4,489 edges
- Cal.com
Open-source scheduling infrastructure
High-risk module components/booking/hooks/useBookingConfirmation (fan-in 3) — LOW.
398 modules · 72 edges
- Directus
Open-source data platform and headless CMS
High-risk module src/logger (fan-in 104) — CRITICAL.
789 modules · 2,287 edges
- Medusa
Open-source commerce platform for developers
High-risk module src/api/utils/validators (fan-in 80) — CRITICAL.
721 modules · 726 edges
- Nx
Monorepo build system and developer tooling
High-risk module src/utils/workspace-root (fan-in 112) — CRITICAL.
589 modules · 2,843 edges
- Payload CMS
Next.js-native headless CMS and application framework
High-risk module src/types (fan-in 225) — CRITICAL.
627 modules · 2,704 edges
- Prisma
Next-generation ORM for Node.js and TypeScript
High-risk module src/runtime/core/engines/common/types/Transaction (fan-in 8) — MEDIUM.
166 modules · 390 edges
- Strapi
Open-source headless CMS and API framework
High-risk module src/cli/types (fan-in 35) — HIGH.
78 modules · 194 edges
- Supabase
Open-source Firebase alternative — Postgres, auth, and studio
High-risk module src/lib/utils/cn (fan-in 54) — CRITICAL.
159 modules · 185 edges
- tRPC
End-to-end typesafe APIs without schemas or codegen
High-risk module src/unstable-core-do-not-import/utils (fan-in 17) — HIGH.
76 modules · 251 edges
- Turborepo
High-performance monorepo build system
High-risk module src/types (fan-in 21) — MEDIUM.
40 modules · 104 edges
State of TypeScript Architecture 2026 →Next.js proof page →Why trust ArcSight →Architecture problems →Install →