Fitness Analyzer
huifer/WellAlly-health
分析运动数据、识别运动模式、评估健身进展，并提供个性化训练建议。支持与慢性病数据的关联分析. An agent skill from huifer/WellAlly-health.
Access Core Motion accelerometer, gyroscope, magnetometer, device-motion, pedometer, activity-recognition, altitude, headphone motion, batched high-frequency workout motion, and…
Install Core Motion
$ npx skills add dpearson2699/swift-ios-skills --skill core-motion -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install dpearson2699/swift-ios-skills core-motion --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/dpearson2699/swift-ios-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/core-motion .claude/skills/core-motion && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "core-motion" agent skill from https://github.com/dpearson2699/swift-ios-skills/tree/main/skills/core-motion into .claude/skills/core-motion/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "core-motion", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/dpearson2699/swift-ios-skills/tree/main/skills/core-motionType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add dpearson2699/swift-ios-skills --skill core-motion -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install dpearson2699/swift-ios-skills core-motion --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/dpearson2699/swift-ios-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/core-motion .agents/skills/core-motion && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "core-motion" agent skill from https://github.com/dpearson2699/swift-ios-skills/tree/main/skills/core-motion into .agents/skills/core-motion/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "core-motion", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add dpearson2699/swift-ios-skills --skill core-motion -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install dpearson2699/swift-ios-skills core-motion --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/dpearson2699/swift-ios-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/core-motion .cursor/skills/core-motion && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "core-motion" agent skill from https://github.com/dpearson2699/swift-ios-skills/tree/main/skills/core-motion into .cursor/skills/core-motion/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "core-motion", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/dpearson2699/swift-ios-skills.git --path skills/core-motion--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add dpearson2699/swift-ios-skills --skill core-motion -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install dpearson2699/swift-ios-skills core-motion --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/dpearson2699/swift-ios-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/core-motion .gemini/skills/core-motion && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "core-motion" agent skill from https://github.com/dpearson2699/swift-ios-skills/tree/main/skills/core-motion into .gemini/skills/core-motion/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "core-motion", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install dpearson2699/swift-ios-skills core-motionInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add dpearson2699/swift-ios-skills --skill core-motion -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/dpearson2699/swift-ios-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/core-motion .github/skills/core-motion && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "core-motion" agent skill from https://github.com/dpearson2699/swift-ios-skills/tree/main/skills/core-motion into .github/skills/core-motion/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "core-motion", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add dpearson2699/swift-ios-skills --skill core-motion -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install dpearson2699/swift-ios-skills core-motion --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/dpearson2699/swift-ios-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/core-motion .opencode/skills/core-motion && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "core-motion" agent skill from https://github.com/dpearson2699/swift-ios-skills/tree/main/skills/core-motion into .opencode/skills/core-motion/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "core-motion", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
core-motion- GitHub stars
- 1.2k
- Token cost
- ~3.2k tokens
- SKILL.md length
- 692 words
- Files
- 3 (incl. references)
- Skills in repo
- 86
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
Access Core Motion accelerometer, gyroscope, magnetometer, device-motion, pedometer, activity-recognition, altitude, headphone motion, batched high-frequency workout motion, and…
- Reading device sensors
- SKILL.md covers Contents, Setup, CMMotionManager: Sensor Data and Processed Device Motion, plus 7 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
- Detecting walking/running/driving/cycling
What it does
Core Motion is an agent skill from dpearson2699/swift-ios-skills. Access Core Motion accelerometer, gyroscope, magnetometer, device-motion, pedometer, activity-recognition, altitude, headphone motion, batched high-frequency workout motion, and water-submersion/depth data. Use when reading device sensors, counting steps, detecting walking/running/driving/cycling, tracking altitude, building motion interactions, handling AirPods head tracking, or implementing watchOS dive/depth features.
Its SKILL.md is about 3.2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including reference files (for example `evals/evals.json` and `references/motion-patterns.md`).
It sits in Productivity & Automation, covering Health and fitness tracking. The repository describes itself as: Agent Skills for iOS 26+, Swift 6.3, SwiftUI, and modern Apple frameworks.
When your agent uses it
- Reading device sensors
- Detecting walking/running/driving/cycling
- Tracking altitude
- Building motion interactions
Example prompts
- “/core-motion”
What it can do on your machine
Read from SKILL.md and the folder at commit 8d90fd1. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are swift and xml).
From the folder's file list and the shell code blocks in SKILL.md.
Network
Links to these hosts (documentation or services it may open):
sosumi.ai
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Core Motion loads about 3.2k tokens when it runs, and up to ~6.4k if it reads all its reference files. Until then it costs about 109 tokens; SKILL.md has 692 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 692 words (~3,213 tokens).
“Read device motion, pedometer/activity, altitude, headphone, batched-workout, and submersion sensors with Core Motion. Scope: Swift 6.3, iOS 26+.”
- name
- core-motion
Files
SKILL.md and 2 other files (references) in skills/core-motion of dpearson2699/swift-ios-skills.
- SKILL.md
- evals/evals.json
- references/motion-patterns.md
Open the folder on GitHubat commit 8d90fd1
Compare with similar skills
Core Motion next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Core Motion this skilldpearson2699/swift-ios-skills | 1.2k | — | ~3.2k | Automated safety check: Pass | Custom licence | |
| Fitness Analyzerhuifer/WellAlly-health | 961 | 6 repos | ~1.3k | Automated safety check: Pass | MIT | |
| Coachfelixrieseberg/claude-coach | 196 | 1 repos | ~4.9k | Automated safety check: Pass | MIT | |
| GhealthGoogle-Health-API/google-health-cli | 266 | 1 repos | ~2.3k | Automated safety check: Pass | Apache-2.0 | |
| Master Ajahn Chahxr843/Master-skill | 447 | 1 repos | ~2k | Automated safety check: Pass | CC-BY-NC-SA-4.0 | |
| Mental Health Analyzerhuifer/WellAlly-health | 961 | 6 repos | ~3.2k | Automated safety check: Pass | MIT |
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Mental Health Analyzer
huifer/WellAlly-health
分析心理健康数据、识别心理模式、评估心理健康状况、提供个性化心理健康建议。支持与睡眠、运动、营养等其他健康数据的关联分析。
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分析营养数据、识别营养模式、评估营养状况，并提供个性化营养建议。支持与运动、睡眠、慢性病数据的关联分析. An agent skill from huifer/WellAlly-health.
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Related
Categories
Questions about Core Motion
What does Core Motion do?
Access Core Motion accelerometer, gyroscope, magnetometer, device-motion, pedometer, activity-recognition, altitude, headphone motion, batched high-frequency workout motion, and…. Core Motion is an agent skill from dpearson2699/swift-ios-skills. Access Core Motion accelerometer, gyroscope, magnetometer, device-motion, pedometer, activity-recognition, altitude, headphone motion, batched high-frequency workout motion, and water-submersion/depth data.
When should I use Core Motion?
Core Motion fits situations like: reading device sensors; detecting walking/running/driving/cycling; tracking altitude; building motion interactions.
How do I install Core Motion in Claude Code?
Run `npx skills add dpearson2699/swift-ios-skills --skill core-motion -a claude-code`. Or copy the skill folder (skills/core-motion in dpearson2699/swift-ios-skills) into .claude/skills/core-motion in your project. Claude Code loads it when a task matches its description.
How do I install Core Motion in Codex?
Run `npx skills add dpearson2699/swift-ios-skills --skill core-motion -a codex`. Or copy the skill folder (skills/core-motion in dpearson2699/swift-ios-skills) into .agents/skills/core-motion in your project. Codex loads it when a task matches its description.
Can I use Core Motion in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add dpearson2699/swift-ios-skills --skill core-motion -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/core-motion, .gemini/skills/core-motion, .github/skills/core-motion and .opencode/skills/core-motion in your project.
What does Core Motion need to run?
SKILL.md names no scripts, command-line tools or credentials: Core Motion is instructions for the agent only.
Does Core Motion access the network?
SKILL.md names 1 domain. As links in the text: sosumi.ai. This is read from the text; nothing was executed.
Is Core Motion safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Core Motion use?
Core Motion has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.
How many tokens does Core Motion use?
About 3.2k tokens (SKILL.md is roughly 13k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 3.2k tokens, read only when the agent opens those files.
What are the alternatives to Core Motion?
Skills that share tags, products or a category with Core Motion: Fitness Analyzer (huifer/WellAlly-health, 961 stars), Coach (felixrieseberg/claude-coach, 196 stars), Ghealth (Google-Health-API/google-health-cli, 266 stars) and Master Ajahn Chah (xr843/Master-skill, 447 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Core Motion?
dpearson2699 (a GitHub user) maintains it in dpearson2699/swift-ios-skills, which has 1,175 GitHub stars. The repository holds 86 skills in this directory. The repository was last updated on July 31, 2026.
Source: dpearson2699/swift-ios-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.