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ArcSight

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Repository proof

What ArcSight found in Keystone

Real arc impact on Keystone (packages/core) — blast radius, break paths, and evidence. Same question as the homepage: what breaks if I change this?

Project: Keystone (packages/core) · Score: 77.5/100 (Healthy architecture) · 179 modules · 536 edges

arc impact src/types
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Run the same analysis on your repository in under 3 minutes.

Architectural Risk Map

Where risk accumulates by control surface — drill down Surface → Substrate → Mechanism → Evidence.

See control surfaces →

Dependency evidence

Architecture visualization

Diagrams are generated from ArcSight analysis data. Dependency graph and risk map show key modules; subsystem view shows high-level structure.

Dependency graph
Dependency graph for this codebase
Subsystem architecture
Subsystem architecture for this codebase
Risk map
Risk map for this codebase

Architecture score & metrics

Score: 77.5/100 · Stability: 4/100 · Status: moderate_risk · Confidence: 100%

  • Dependency cycles: 41
  • Layer violations: 13
  • Duplicate authorities: 10

Architectural gravity centers

  • src/lib/core/utils— concentrates too many responsibilities
  • src/lib/core/utils— shared utility hub
  • src/lib/core/utils— crosses a layer boundary
  • src/lib/core/graphql-errors— concentrates too many responsibilities
  • src/lib/core/graphql-errors— shared utility hub

Try it in the terminal

Simulated arc analyze output from the dataset. No analysis runs in the browser.

ArcSight CLI (simulated)
$ arc scan keystone
Architecture Score: 77.5
Modules: 179
Cycles: 41
Hotspots: 15

Simulated from dataset. No analysis is run in the browser.

Similar architectures

Repositories with the same language and category, ordered by similar complexity and size.

CLI workflow

Impact, then scan, fix, finish, and watch.

  • arc impact <file>See what a change breaks
  • arc scanFind issues
  • arc fixApply fixes
  • arc finishResolve remaining
  • arc watchKeep clean

More commands (explain, guard…) →

Keystone (packages/core) architecture metrics
Score
77.5
Modules
179
Edges
536

Metrics

MetricValue
Architecture score77.5/100
Modules179
Edges536
Dependency cycles41

FAQ

What did ArcSight find in Keystone (packages/core)?
Keystone (packages/core) has 179 modules and an architecture score of 77.5/100.
Why does the Keystone (packages/core) structure matter?
The Keystone (packages/core) score is 77.5/100 across 179 modules and 536 edges.
Which file should I inspect first in Keystone (packages/core)?
Start with src/types. Run arc impact on that file before the change merges.

Key takeaways

  • •Structural scan reports dependency cycles — inspect impact paths before refactors that cross module boundaries.
  • •High fan-in modules are change-risk zones; run arc explain <path> before refactoring.
  • •Run the full workflow (analyze, hotspots, explain, impact, snapshot, drift) in your repo for deterministic architecture insights.

Run ArcSight on your repo

Install locally, then run arc impact on the file you plan to change — before merge.

npm install -g arcsight
arc impact <path>
Install ArcSight →

Embed this report

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<iframe src="https://arcsight.ai/embed/keystone/" width="320" height="180" frameborder="0"></iframe>

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