Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add ArabelaTso/Skills-4-SE --skill component-boundary-identifiergit clone --depth 1 https://github.com/ArabelaTso/Skills-4-SEWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/arabelatso/skills-4-se/component-boundary-identifier)<a href="https://agentmods.dev/skills/arabelatso/skills-4-se/component-boundary-identifier"><img src="https://agentmods.dev/badge/skills/arabelatso/skills-4-se/component-boundary-identifier/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/arabelatso/skills-4-se/component-boundary-identifier"><img src="https://agentmods.dev/badge/skills/arabelatso/skills-4-se/component-boundary-identifier.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00099 | $0.01987 |
| Opus 5 | $0.00049 | $0.00993 |
| Sonnet 5 | $0.00020 | $0.00397 |
| Haiku 4.5 | $0.00010 | $0.00199 |
Grade A, and why
component-boundary-identifier scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 385 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Component Boundary Identifier
Identify and analyze boundaries between software components to ensure proper architectural separation.
Quick Start
When a user requests boundary analysis:
- Understand the goal: Identify boundaries, detect violations, or both
- Analyze structure: Examine package/module organization and dependencies
- Identify boundaries: Determine component boundaries based on structure
- Detect violations: Find improper cross-boundary dependencies
- Report findings: Present boundaries and violations with severity levels
What This Skill Does
Boundary Identification
Identify component boundaries based on:
- Package/module structure
- Namespace organization
- Architectural patterns (layered, hexagonal, clean)
- Naming conventions
- Dependency clusters
Violation Detection
Detect boundary violations including:
- Upward dependencies (lower layers depending on higher layers)
- Circular dependencies between components
- Layer skipping (bypassing intermediate layers)
- Domain depending on infrastructure
- Accessing private/internal implementations
- Concrete type dependencies across boundaries
Analysis Methods
Static Code Analysis
Analyze code structure without execution.
Python:
- Parse import statements
- Analyze package structure
- Identify dependency directions
- Detect circular imports
Java:
- Parse import statements
- Analyze package hierarchy
- Check access modifiers
- Identify dependency directions
Script: Use scripts/analyze_boundaries.py for automated Python analysis
Manual Code Review
Review code for boundary patterns.
Process:
- Identify top-level packages/modules
- Map dependencies between components
- Check against architectural rules
- Find violations
See: boundary-indicators.md for patterns
Architectural Patterns
Layered Architecture
Layers (top to bottom):
- Presentation/API
- Application/Service
- Domain/Business
- Infrastructure/Data
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 12d ago First seen · 385 lines · 99 tokens per session scan A cdcc854e8489
component-boundary-identifier is a skill published in the GitHub repository ArabelaTso/Skills-4-SE (252 stars, last pushed 22d ago), licensed Apache-2.0. It adds 99 tokens to every session and 1,987 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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