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 StanfordSpezi/SpeziVibe --skill spezi-platform-selectiongit clone --depth 1 https://github.com/StanfordSpezi/SpeziVibeWrote 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/stanfordspezi/spezivibe/spezi-platform-selection)<a href="https://agentmods.dev/skills/stanfordspezi/spezivibe/spezi-platform-selection"><img src="https://agentmods.dev/badge/skills/stanfordspezi/spezivibe/spezi-platform-selection/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/stanfordspezi/spezivibe/spezi-platform-selection"><img src="https://agentmods.dev/badge/skills/stanfordspezi/spezivibe/spezi-platform-selection.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
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 →
- medium MCP Rug Pull · line 75 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
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 | $0.00046 | $0.01559 |
| Opus 5 | $0.00023 | $0.00779 |
| Sonnet 5 | $0.00009 | $0.00312 |
| Haiku 4.5 | $0.00005 | $0.00156 |
Grade A, and why
spezi-platform-selection 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 10d 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 — 115 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Spezi Platform Selection
Use this skill when a user has finished planning, wants to start from a Spezi template, and is ready to build. It chooses between React Native and Apple-native based on the planning briefs, sets up the matching Spezi starter template (generating the app with the official CLI for React Native, cloning for Apple-native), and moves the existing docs/planning/ and docs/implementation-plan.md into the new project so the coding agent has full context.
This skill should run after the other planning skills, not before — the platform choice is informed by what the planning revealed (HealthKit needs, cross-platform requirements, etc.).
When Not To Use
Skip this skill if the user is not adopting a Spezi template — for example, they're extending an existing app, using a different framework (Flutter, web, etc.), or want full control over scaffolding. The planning briefs and implementation plan work just as well in any codebase; the user can hand them to their coding agent directly. In the build-an-app flow, an opt-out here hands back to the orchestrator's Step 4, which sets up the project with the chosen framework and narrows a still-undecided implementation plan.
Platform Options
Read setup-guide.md before making the recommendation.
- React Native — cross-platform (iOS + Android) from one codebase. Backed by the SpeziVibe React Native Template.
- Apple-native — Swift / SwiftUI for iPhone, iPad, and Vision Pro. Backed by the Spezi Template Application for Apple platforms.
Ask First
Ask concise questions that reveal whether the app is primarily:
- content, forms, scheduling, chat, or cross-platform workflow support
- deeply integrated with HealthKit, SensorKit, Bluetooth peripherals, background collection, or another Apple-native SDK
What ships with it
3 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.
- 10d ago First seen · 115 lines · 46 tokens per session scan A 8c5b00fb1062
spezi-platform-selection is a skill published in the GitHub repository StanfordSpezi/SpeziVibe (23 stars, last pushed 2d ago), licensed MIT. It adds 46 tokens to every session and 1,559 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 2026-08-30.
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