Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/DengShiyingA/harmonyos-ai-skillnpx agentmods add skills/dengshiyinga/harmonyos-ai-skill/harmonyos-developmentWrote 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/dengshiyinga/harmonyos-ai-skill/harmonyos-development)<a href="https://agentmods.dev/skills/dengshiyinga/harmonyos-ai-skill/harmonyos-development"><img src="https://agentmods.dev/badge/skills/dengshiyinga/harmonyos-ai-skill/harmonyos-development/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/dengshiyinga/harmonyos-ai-skill/harmonyos-development"><img src="https://agentmods.dev/badge/skills/dengshiyinga/harmonyos-ai-skill/harmonyos-development.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 5 findings, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Privilege Escalation · line 3283 Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
- medium Rogue Agent · line 2083 Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
- medium Memory Poisoning · line 2952 Skill attempts to fill the context window with filler content, displacing legitimate instructions and safety constraints. This can degrade agent performance or bypass safety boundaries.Fix: Implement context-window management that detects and rejects padding or stuffing attempts. Prioritize system instructions over user-injected content.
- medium Tool Misuse · line 3222 Tool defaults are unsafe or overly permissive (e.g. disabled TLS verification, no authentication, world-writable permissions). Unsafe defaults widen the attack surface.Fix: Override unsafe defaults with secure settings (verify=True, auth required, restrictive permissions). Review and harden all tool configurations.
- medium Rogue Agent · line 3836 Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
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 | $0.00187 | $0.42268 |
| Opus 5 | $0.00093 | $0.21134 |
| Sonnet 5 | $0.00037 | $0.08454 |
| Haiku 4.5 | $0.00019 | $0.04227 |
Grade A, and why
harmonyos-development scanned grade A with 1 finding 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
axios.get<UserInfo, AxiosResponse<UserInfo>, null>('/user', { params: { ID: 12345 } }) How it starts
The opening of the file, as written. The whole thing — 4,462 lines — stays where its author put it; the contents beside it link to each section on GitHub.
HarmonyOS (鸿蒙) Development
Covers HarmonyOS 6.1 (API 23, stable) / 6.1.1 (API 24, Release) / HarmonyOS 7 developer preview (API 26 Beta1) / NEXT native app development — the Huawei mobile OS family that runs independently of Android (AOSP-free since HarmonyOS NEXT, released 2024). Primary language is ArkTS (a strict, statically-checked superset of TypeScript) and the primary UI framework is ArkUI (declarative, state-driven). Use API 24 Release as the default production baseline; use API 26 Beta1 only for preview, adaptation, and early compatibility work.
Platform snapshot
| Item | Value |
|---|---|
| OS | HarmonyOS 6.1 (stable, released 2026/04/20, API 23). HarmonyOS 6.1.1 (Release, released 2026/05/26, API 24). HarmonyOS 7 / 26.0.0 Beta1 (developer preview, released 2026/06/12, API 26). Pure HarmonyOS, AOSP-free |
| Language | ArkTS (primary), Cangjie (beta), C/C++ via NAPI |
| UI framework | ArkUI declarative (ArkUI-X for cross-platform) |
| Compiler | ArkCompiler — AOT to native machine code; LiteActor concurrency |
| Package manager | ohpm — oh-package.json5; registry at DevEco Service (OHPM Central) |
| IDE | DevEco Studio 6.1.1 Release (6.1.1.280; API 24 production). DevEco Studio 26.0.0 Beta1 (26.0.0.461; API 26 preview) |
| App model | Stage model (FA model is legacy — don't use in new apps) |
| Packaging | HAP (entry/feature), HSP (shared package), HAR (static archive), atomic .app |
| Recommended API | Use API 24 Release for production. Use API 26 Beta1 only for HarmonyOS 7 preview/adaptation. |
| Sample catalog | https://developer.huawei.com/consumer/cn/samples/ |
Release timeline (recent):
- HarmonyOS 6.0.1(21) — 2025/11/25 (initial stable with Mate 80 series)
- HarmonyOS 6.0.2(22) — 2026/01/23 (incremental update)
- HarmonyOS 6.0.0.328 Pollen Beta(23) — 2026/02/28 (closed beta, 25 models)
- HarmonyOS 6.1(23) — 2026/04/20 (stable general release)
- HarmonyOS 6.1.1(24) Beta 1 — 2026/04/30 (developer beta)
- HarmonyOS 6.1.1(24) Release — 2026/05/26 (API 24 Release; DevEco Studio 6.1.1.280)
- HarmonyOS 7 / 26.0.0 Beta1 — 2026/06/12 (API 26 developer preview; DevEco Studio 26.0.0.461)
What ships with it
18 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.
- evals/cases.yaml 3.1 KB
- examples/lazyforeach-list.ets 948 B
- examples/permission-request.ets 448 B
- recipes/debug-build-error.md 836 B
- recipes/review-arkts-code.md 758 B
- references/ai-development-tools.md 2.9 KB
- references/api26-preview.md 707 B
- references/arkts-rules.md 902 B
- references/arkui-components.md 2.2 KB
- references/build-sign-release.md 3.3 KB
- references/native-api-compatibility.md 3.1 KB
- references/navigation.md 891 B
- references/performance.md 1.9 KB
- references/permissions.md 887 B
- references/platform-baseline.md 937 B
- references/README.md 1.5 KB
- references/stage-model.md 1.1 KB
- references/state-management.md 1.1 KB
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 · 4,462 lines · 187 tokens per session scan A 33369b529427
harmonyos-development is a skill published in the GitHub repository DengShiyingA/harmonyos-ai-skill (259 stars, last pushed 1mo ago), licensed MIT. It adds 187 tokens to every session and 42,268 once invoked, about $0.0009 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
Other skills, from other repositories
harmonyos-app-dev
A development skill for building HarmonyOS NEXT applications with ArkTS and ArkUI. HarmonyOS NEXT is Huawei’s application platform; ArkTS is its programming language and ArkUI is its interface framework.
harmony-next
Use for HarmonyOS NEXT development help and local DevEco automation. Covers ArkTS/ArkUI/NDK API lookup, offline guide navigation, DevEco Studio and HarmonyOS Emulator tasks, hdc/uitest/aa/bm/hilog/hidumper diagnostics, ArkWeb/WebView DevTools and CDP evidence, and private DevEco interfaces such as CodeGenie, MCP…
arkts-syntax-assistant
ArkTS syntax, migration, and optimization guide for HarmonyOS/OpenHarmony development. Triggers on: .ets files, ArkTS keywords, HarmonyOS/OpenHarmony context, @ohos packages. Help with syntax reference, TypeScript migration, performance optimization, compile errors, state management, component development, and…
app-ui-design
Mobile app UI design expert for iOS and Android. Use when designing app interfaces, creating design systems, ensuring accessibility, or following platform guidelines. Covers Material Design 3, Human Interface Guidelines, color theory, typography, and 2025 trends.
lov-mobile-adapt
A mobile adaptation workflow for existing web projects. It adjusts desktop websites for phones by handling responsive layouts, overflow, safe areas around notches, browser viewport height, touch targets, and mobile navigation.
mobile-developer
Expert knowledge in mobile app development for iOS, Android, and cross-platform solutions.