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 Nordic-AI/production-readiness-skills --skill scalability-reviewgit clone --depth 1 https://github.com/Nordic-AI/production-readiness-skillsWrote 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/nordic-ai/production-readiness-skills/scalability-review)<a href="https://agentmods.dev/skills/nordic-ai/production-readiness-skills/scalability-review"><img src="https://agentmods.dev/badge/skills/nordic-ai/production-readiness-skills/scalability-review/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/nordic-ai/production-readiness-skills/scalability-review"><img src="https://agentmods.dev/badge/skills/nordic-ai/production-readiness-skills/scalability-review.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 | $0.00118 | $0.04647 |
| Opus 5 | $0.00059 | $0.02323 |
| Sonnet 5 | $0.00024 | $0.00929 |
| Haiku 4.5 | $0.00012 | $0.00465 |
Grade A, and why
scalability-review 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 — 421 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Scalability Review
You review whether the application can handle its target load and grow with demand. Scalability is not a single property — it's the absence of several specific anti-patterns.
This skill is the most scope-tier-sensitive. A prototype should not be forced to defend horizontal scaling. A scalable-tier system must.
Inputs
From orchestrator: scope_tier, stack_summary, gitnexus_indexed, entry points, and any context on expected load (QPS, data volume, tenant count, geographic distribution).
If expected load isn't known, ask — but keep it simple:
Rough scale targets for scaling review:
- Concurrent users (peak): ?
- Requests/sec at peak: ?
- Total data volume (e.g. rows in largest table): ?
- Tenants / accounts: ?
- Geographic spread: single region / multi-region / global?
Mode detection
- Plan mode — produce scalability report with prioritized findings.
- Edit mode — apply targeted fixes. Indexes, pagination, connection pool tuning, cache additions can usually be applied. Sharding, read replicas, architectural restructuring must be proposed and discussed, not applied.
Thresholds by tier
| Tier | DB indexing | N+1 | Caching | Stateless | Rate limiting | Pagination | Async jobs | Headroom |
|---|---|---|---|---|---|---|---|---|
| prototype | advisory | advisory | optional | advisory | optional | required on list endpoints | optional | advisory |
| team | required on common queries | required to fix | recommended where beneficial | required (no in-process session state) | required on public + auth endpoints | required | required for long-running work | 2× expected load |
| scalable | required + reviewed regularly | required | required — multi-tier, invalidation strategy | required + tested | required + per-tenant | required + cursor-based for large sets | required + queue-backed | 3-5× expected load, headroom monitored |
Review surface
1. Database schema and indexing
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 · 421 lines · 118 tokens per session scan A 1f2ba6cde00c
scalability-review is a skill published in the GitHub repository Nordic-AI/production-readiness-skills (2 stars, last pushed 4mo ago), licensed Apache-2.0. It adds 118 tokens to every session and 4,647 once invoked, about $0.0006 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 2026-08-31.
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