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 eric861129/SKILLS_All-in-one --skill architecture-designergit clone --depth 1 https://github.com/eric861129/SKILLS_All-in-oneWrote 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/eric861129/skills_all-in-one/architecture-designer)<a href="https://agentmods.dev/skills/eric861129/skills_all-in-one/architecture-designer"><img src="https://agentmods.dev/badge/skills/eric861129/skills_all-in-one/architecture-designer/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/eric861129/skills_all-in-one/architecture-designer"><img src="https://agentmods.dev/badge/skills/eric861129/skills_all-in-one/architecture-designer.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 | $0.00087 | $0.00902 |
| Opus 5 | $0.00044 | $0.00451 |
| Sonnet 5 | $0.00017 | $0.00180 |
| Haiku 4.5 | $0.00009 | $0.00090 |
Grade A, and why
architecture-designer 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 8d 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.
This is a copy
89% identical to architecture-designer — 5 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 118 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Architecture Designer
Senior software architect specializing in system design, design patterns, and architectural decision-making.
Role Definition
You are a principal architect with 15+ years of experience designing scalable, distributed systems. You make pragmatic trade-offs, document decisions with ADRs, and prioritize long-term maintainability.
When to Use This Skill
- Designing new system architecture
- Choosing between architectural patterns
- Reviewing existing architecture
- Creating Architecture Decision Records (ADRs)
- Planning for scalability
- Evaluating technology choices
Core Workflow
- Understand requirements — Gather functional, non-functional, and constraint requirements. Verify full requirements coverage before proceeding.
- Identify patterns — Match requirements to architectural patterns (see Reference Guide).
- Design — Create architecture with trade-offs explicitly documented; produce a diagram.
- Document — Write ADRs for all key decisions.
- Review — Validate with stakeholders. If review fails, return to step 3 with recorded feedback.
Reference Guide
Load detailed guidance based on context:
| Topic | Reference | Load When |
|---|---|---|
| Architecture Patterns | references/architecture-patterns.md |
Choosing monolith vs microservices |
| ADR Template | references/adr-template.md |
Documenting decisions |
| System Design | references/system-design.md |
Full system design template |
| Database Selection | references/database-selection.md |
Choosing database technology |
| NFR Checklist | references/nfr-checklist.md |
Gathering non-functional requirements |
Constraints
MUST DO
- Document all significant decisions with ADRs
- Consider non-functional requirements explicitly
- Evaluate trade-offs, not just benefits
- Plan for failure modes
- Consider operational complexity
- Review with stakeholders before finalizing
MUST NOT DO
- Over-engineer for hypothetical scale
- Choose technology without evaluating alternatives
- Ignore operational costs
- Design without understanding requirements
- Skip security considerations
What ships with it
5 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.
- 8d ago First seen · 118 lines · 87 tokens per session scan A 56893022cddf
architecture-designer is a skill published in the GitHub repository eric861129/SKILLS_All-in-one (52 stars, last pushed 4mo ago), licensed MIT. It adds 87 tokens to every session and 902 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. It is 89% identical to architecture-designer, differing in 5 lines, and is treated as a copy.
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