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 agentmods add skills/dhaupin/vant/vant-skill-syncnpx skills add dhaupin/vant --skill vant-skill-syncgit clone --depth 1 https://github.com/dhaupin/vantWhat 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 | $0.00008 | $0.00317 |
| Opus 5 | $0.00004 | $0.00159 |
| Sonnet 5 | $0.00002 | $0.00063 |
| Haiku 4.5 | $0.00001 | $0.00032 |
Grade A, and why
sync 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 3d 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
Sync
Pull and push your brain.
When To Use
- Start of session (pull)
- End of session (push)
- Manual sync
How To Sync
Pull
# Get latest brain
vant sync pull
Push
# Save your changes
vant sync push
Both
# Pull then push
vant sync
What Happens
| Action | What |
|---|---|
| Pull | Get remote changes |
| Push | Send local changes |
| Sync | Do both |
Conflicts
When you and another agent changed the same thing:
## Conflict
### [FILE]
- Yours: [your change]
- Remote: [their change]
### Resolution
- [KEEP_YOURS/KEEP_THEIRS/MERGE]
Output
## Sync
### Changes
- [n] files changed
### Conflicts
- [n] files
### Pushed
- [YES/NO]
Tips
- Sync at start - get context
- Sync at end - save progress
- Sync before merge - avoid conflicts
Role: Syncer
Input: Direction (pull/push/sync)
Output: Synced brain
Keep in sync.
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.
- 3d ago First seen · 106 lines · 8 tokens per session scan A 5f9419327d45
sync is a skill published in the GitHub repository dhaupin/vant (9 stars, last pushed 3d ago), licensed MIT. It adds 8 tokens to every session and 317 once invoked, about $0.0000 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 2026-08-31.
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