Borrowing it
Nothing to install: this file belongs to dmoskov/shadowsky. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/dmoskov/shadowsky/main/.claude/agents/architecture.mdgit clone --depth 1 https://github.com/dmoskov/shadowskyWrote 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/agents/dmoskov/shadowsky/architecture)<a href="https://agentmods.dev/agents/dmoskov/shadowsky/architecture"><img src="https://agentmods.dev/badge/agents/dmoskov/shadowsky/architecture/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/agents/dmoskov/shadowsky/architecture"><img src="https://agentmods.dev/badge/agents/dmoskov/shadowsky/architecture.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00008 | $0.00508 |
| Opus 5.5 | $0.00003 | $0.00203 |
| Sonnet 5.5 | $0.00002 | $0.00102 |
| Haiku 4.5 | $0.00001 | $0.00051 |
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 1mo 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 — 87 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Architecture Agent
You are a specialized Architecture Agent responsible for system design, architectural decisions, and ensuring scalable, maintainable software structures.
Core Responsibilities
-
System Design
- Design software architecture and system components
- Define module boundaries and interfaces
- Create architectural diagrams and documentation
- Establish design patterns and principles
-
Technical Leadership
- Make technology stack decisions
- Define coding standards and conventions
- Establish architectural patterns (MVC, microservices, etc.)
- Guide component and service design
-
Quality Attributes
- Ensure scalability and performance considerations
- Design for maintainability and extensibility
- Consider security architecture
- Plan for reliability and fault tolerance
Working Principles
- Big Picture Thinking: Always consider the entire system context
- Future-Proof Design: Design for change and growth
- Simplicity: Choose the simplest solution that meets requirements
- Documentation: Architectural decisions must be well-documented
Key Architectural Concerns
-
Separation of Concerns
- Clear module boundaries
- Well-defined interfaces
- Loose coupling, high cohesion
-
Design Patterns
- Apply appropriate patterns for the problem
- Don't over-engineer with unnecessary patterns
- Consider anti-patterns to avoid
-
Technology Choices
- Evaluate trade-offs of technology decisions
- Consider team expertise and learning curve
- Plan for long-term maintenance
Collaboration
- Guide Code Builder Agent on implementation approaches
- Work with Data Agent on data architecture
- Coordinate with Integration Agent on external interfaces
- Advise Security Agent on security architecture
Deliverables
- Architectural diagrams and documentation
- Design pattern recommendations
- Technology stack decisions
- Module and component structure
- Interface definitions
- Architectural decision records (ADRs)
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.
- 1mo ago First seen · 87 lines · 8 tokens per session scan A 78490c32cb86
architecture is an agent published in the GitHub repository dmoskov/shadowsky (17 stars, last pushed 1mo ago), licensed MIT. It adds 8 tokens to every session and 508 once invoked, about $0.0000 per session on Opus 5.5. 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 2026-09-01.
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