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 onfire7777/universal-ai-skills-library --skill adr-architecturegit clone --depth 1 https://github.com/onfire7777/universal-ai-skills-libraryWrote 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/onfire7777/universal-ai-skills-library/adr-architecture)<a href="https://agentmods.dev/skills/onfire7777/universal-ai-skills-library/adr-architecture"><img src="https://agentmods.dev/badge/skills/onfire7777/universal-ai-skills-library/adr-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/skills/onfire7777/universal-ai-skills-library/adr-architecture"><img src="https://agentmods.dev/badge/skills/onfire7777/universal-ai-skills-library/adr-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 | $0.00068 | $0.01557 |
| Opus 5 | $0.00034 | $0.00779 |
| Sonnet 5 | $0.00014 | $0.00311 |
| Haiku 4.5 | $0.00007 | $0.00156 |
Grade A, and why
adr-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 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 — 166 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Architecture Decision Records (ADR)
Table of Contents
Purpose
Document significant architectural and technical decisions with full context, alternatives considered, trade-offs analyzed, and consequences understood. ADRs create a decision trail that helps teams understand "why" decisions were made, even years later.
When to Use This Skill
- Recording architecture decisions (microservices, databases, frameworks)
- Documenting infrastructure choices (cloud providers, deployment strategies)
- Capturing technology selections (libraries, tools, platforms)
- Logging process decisions (branching strategy, deployment process)
- Establishing technical standards or conventions
- Migrating or sunsetting systems
- Making security or compliance choices
- Resolving technical debates with documented rationale
- Onboarding new team members who need decision history
Trigger phrases: "ADR", "architecture decision", "document this decision", "why did we choose", "decision record", "technical decision log"
What is an ADR?
An Architecture Decision Record is a document capturing a single significant decision. It includes:
- Context: What situation necessitates this decision?
- Decision: What are we choosing to do?
- Alternatives: What other options did we consider?
- Consequences: What are the trade-offs and implications?
- Status: Proposed, accepted, deprecated, superseded?
Quick Example:
# ADR-042: Use PostgreSQL for Primary Database
**Status:** Accepted
**Date:** 2024-01-15
**Deciders:** Backend team, CTO
## Context
Need to select primary database for new microservices platform.
Requirements: ACID transactions, complex queries, 10k+ QPS at launch.
## Decision
Use PostgreSQL 15+ as primary relational database.
## Alternatives Considered
- MySQL: Weaker JSON support, less robust constraint handling
- MongoDB: No ACID across documents, eventual consistency issues
- CockroachDB: Excellent but adds operational complexity we can't support yet
## Consequences
✓ Strong consistency and data integrity
✓ Excellent JSON support for semi-structured data
✓ Team has deep PostgreSQL experience
✗ Vertical scaling limits (will need read replicas at 50k+ QPS)
✗ More complex to shard than DynamoDB if we need it
What ships with it
4 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 · 166 lines · 68 tokens per session scan A 72cb9995ed21
adr-architecture is a skill published in the GitHub repository onfire7777/universal-ai-skills-library (16 stars, last pushed yesterday), licensed MIT. It adds 68 tokens to every session and 1,557 once invoked, about $0.0003 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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