architecture

architecture is a skill for Claude Code from bugrabilge/bilge-development-kit. It costs 44 tokens per session (1,396 once invoked), scanned A, original, MIT.

A guide for making software architecture decisions, choosing design patterns, reviewing system designs, and documenting trade-offs. Architecture is the high-level structure of a system and its parts.

In plain words
What is it for?
Use it for system design, architecture reviews, distributed systems, domain-driven design, clean architecture, and architecture decision records.
Why use it?
It helps teams choose a suitable structure without adding complexity before it is needed, while making important decisions easier to explain and revisit.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Good fit Use it for system design, architecture reviews, distributed systems, domain-driven design, clean architecture, and architecture decision records.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/bugrabilge/bilge-development-kit/architecture
Install

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.

Any agent
npx skills add bugrabilge/bilge-development-kit --skill architecture
Clone the repo
git clone --depth 1 https://github.com/bugrabilge/bilge-development-kit

Made for: Claude Code.

Wrote 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.

agentmods badge for architecture

README.md
[![agentmods](https://agentmods.dev/badge/skills/bugrabilge/bilge-development-kit/architecture.svg)](https://agentmods.dev/skills/bugrabilge/bilge-development-kit/architecture)
Your own site
<a href="https://agentmods.dev/skills/bugrabilge/bilge-development-kit/architecture"><img src="https://agentmods.dev/badge/skills/bugrabilge/bilge-development-kit/architecture.svg" alt="Measured on agentmods" height="20"></a>
Per session 44 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,396 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00044 $0.01396
Opus 5 $0.00022 $0.00698
Sonnet 5 $0.00009 $0.00279
Haiku 4.5 $0.00004 $0.00140

Measured 4d ago against content hash 5cb0e9afa19a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

architecture 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 4d 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.

skills/architecture/SKILL.md · 175 lines

How it starts

The opening of the file, as written. The whole thing — 175 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Architecture Decision Framework

"Requirements drive architecture. Trade-offs inform decisions. ADRs capture rationale."

🎯 Selective Reading Rule

Read ONLY files relevant to the request! Check the content map, find what you need.

File Description When to Read
context-discovery.md Questions to ask, project classification Starting architecture design
trade-off-analysis.md ADR templates, trade-off framework Documenting decisions
pattern-selection.md Decision trees, anti-patterns Choosing patterns
examples.md MVP, SaaS, Enterprise examples Reference implementations
patterns-reference.md Quick lookup for patterns Pattern comparison

Skill Use For
@[skills/database-design] Database schema design
@[skills/api-patterns] API design patterns
@[skills/deployment-procedures] Deployment architecture

Core Principle

"Simplicity is the ultimate sophistication."

  • Start simple
  • Add complexity ONLY when proven necessary
  • You can always add patterns later
  • Removing complexity is MUCH harder than adding it

Validation Checklist

Before finalizing architecture:

  • Requirements clearly understood
  • Constraints identified
  • Each decision has trade-off analysis
  • Simpler alternatives considered
  • ADRs written for significant decisions
  • Team expertise matches chosen patterns

When to Use

This skill is applicable to execute the workflow or actions described in the overview.


Architectural Review Process

Response Approach

  1. Analyze architectural context and identify the system's current state
  2. Assess architectural impact of proposed changes (High/Medium/Low)
  3. Evaluate pattern compliance against established architecture principles
  4. Identify architectural violations and anti-patterns
  5. Recommend improvements with specific refactoring suggestions
  6. Consider scalability implications for future growth
  7. Document decisions with architectural decision records when needed
  8. Provide implementation guidance with concrete next steps

Read the full file on GitHub · 175 lines

Files

What ships with it

6 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.

Changes

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.

  1. 4d ago First seen · 175 lines · 44 tokens per session scan A 5cb0e9afa19a

Subscribe to this mod's changes

architecture is a skill published in the GitHub repository bugrabilge/bilge-development-kit (10 stars, last pushed 4mo ago), licensed MIT. It adds 44 tokens to every session and 1,396 once invoked, about $0.0002 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 2026-09-03.

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