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 HoangNguyen0403/agent-skills-standard --skill angular-state-managementgit clone --depth 1 https://github.com/HoangNguyen0403/agent-skills-standardWrote 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/hoangnguyen0403/agent-skills-standard/angular-state-management)<a href="https://agentmods.dev/skills/hoangnguyen0403/agent-skills-standard/angular-state-management"><img src="https://agentmods.dev/badge/skills/hoangnguyen0403/agent-skills-standard/angular-state-management/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/hoangnguyen0403/agent-skills-standard/angular-state-management"><img src="https://agentmods.dev/badge/skills/hoangnguyen0403/agent-skills-standard/angular-state-management.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00042 | $0.00426 |
| Opus 5 | $0.00021 | $0.00213 |
| Sonnet 5 | $0.00008 | $0.00085 |
| Haiku 4.5 | $0.00004 | $0.00043 |
Grade A, and why
angular-state-management 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 9d 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.
What it actually says
State Management
Priority: P1 (HIGH)
1. Use Signals for All State
- Keep internal signals private; expose publicly via
asReadonly().
See signal store pattern for signal-based service and store examples.
2. Derive State with computed()
- Use
computed()for totals, filtered lists, derived values — pure and cached. - Use
linkedSignal(() => source())for dependent writable state that resets when source changes. - Use
untracked()to read signal insidecomputed()/effect()without creating dependency.
3. Scale with Signal Store
- For complex features, use
@ngrx/signals(signalStore) withwithState,withComputed,withMethods, andwithEntities().
4. Handle Side Effects
- Use
effect()only for side effects (logging, localStorage sync, DOM manipulation). - Never update signals inside effect() — causes circular dependencies.
- Treat signal values as immutable — update with
.set()or.update(v => ...).
Anti-Patterns
- No state logic in components: Delegate to Signal Store or Service.
- No
BehaviorSubjectfor state: Use Signals; keep RxJS only for complex event streams.
References
Canonical response anchors
When this skill applies, preserve the following domain terminology or equivalent concrete examples in the answer when relevant:
- Never update signals inside effect()
- resets when source changes
What ships with it
2 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.
- 9d ago First seen · 56 lines · 42 tokens per session scan A 9e931d660961
angular-state-management is a skill published in the GitHub repository HoangNguyen0403/agent-skills-standard (565 stars, last pushed 3d ago), licensed MIT. It adds 42 tokens to every session and 426 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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