Diet Pattern Detection
One-time diet pattern analysis. Runs via daily cron after onboarding, checks if user's actual eating pattern matches a different diet mode. Self-destructs after successful execution. NOT user-triggered — cron-only.
Install
$ agentstack add skill-nanorhino-weight-loss-skill-diet-pattern-detection ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-nanorhino-weight-loss-skill-diet-pattern-detection) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
Diet Pattern Detection
> ⚠️ Cron-only skill. Never triggered by user messages. Activated by a daily cron job created by notification-manager at onboarding completion.
⚠️ Output Format (HARD RULE — Never violate)
When this skill sends a message to the user (diet pattern detection result, mode switch suggestion, or any output), the first line MUST be the section banner based on user locale:
| USER.md locale | First line | |---|---| | zh / zh-CN / zh-TW / unset | 🔄——饮食模式调整——🔄 | | en / en-* | 🔄——Diet Mode Adjustment——🔄 |
Then one blank line, then the message body.
✅ Correct (Chinese user):
🔄——饮食模式调整——🔄
📋 我注意到一个有趣的现象...❌ Wrong — missing banner, or banner not on first line, or no blank line after banner.
Trigger
Daily cron job. Start date: Onboarding Completed + 3 days (from health-profile.md > Automation). Cron time: dinner_time + 3h.
Workflow
- Check precondition — read
health-profile.md > Automation > Pattern Detection Completed. If already has a date → skip (should not happen, but defensive).
- Run detection (handles data sufficiency check internally):
``bash python3 {baseDir}/scripts/detect-pattern.py \ --data-dir {workspaceDir}/data/meals \ --current-mode Diet Config > Diet Mode> \ --weight \ --target-weight ` If result has reason: "insufficient_data" ( Diet Config > Diet Mode and recalculate targets.
has_pattern: false→ no message (pattern matches current mode, all good).
- Self-destruct (when result is
has_patterntrue or false, NOT insufficient_data): - List current agent's cron jobs (
cron list) - Find job with name containing "diet-pattern" or "Diet pattern"
- Delete it (
cron remove) - Write completion date to
health-profile.md > Automation > Pattern Detection Completed:
Reference Files
references/diet-pattern-response.md— user notification template (when pattern detected)
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: NanoRhino
- Source: NanoRhino/weight-loss-skill
- License: MIT
- Homepage: https://nanorhino.com/
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.