Borrowing it
Nothing to install: this file belongs to dburkart/auto-engineer. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/dburkart/auto-engineer/main/.claude/skills/sync/SKILL.mdgit clone --depth 1 https://github.com/dburkart/auto-engineerWrote 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/dburkart/auto-engineer/sync)<a href="https://agentmods.dev/skills/dburkart/auto-engineer/sync"><img src="https://agentmods.dev/badge/skills/dburkart/auto-engineer/sync/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/dburkart/auto-engineer/sync"><img src="https://agentmods.dev/badge/skills/dburkart/auto-engineer/sync.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00071 | $0.02294 |
| Opus 5.5 | $0.00028 | $0.00918 |
| Sonnet 5.5 | $0.00014 | $0.00459 |
| Haiku 4.5 | $0.00007 | $0.00229 |
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 1mo 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 — 230 lines — stays where its author put it; the contents beside it link to each section on GitHub.
sync
Two-way sync between a seeded project and this auto-engineer repo's templates. Detects drift in skills, Dockerfile, and scripts; lets you resolve each divergence interactively.
This is a harness-internal development tool. It lives only in .claude/skills/sync/ — the seed skill never copies it to target projects.
When to invoke
- User says "sync skills", "sync with project", "sync templates", or invokes
/sync. - Accepts an optional positional argument: path to the seeded project to sync with.
Step 0 — Get the target path
If not provided as an argument, ask:
"What's the path to the seeded project you want to sync with? (absolute path)"
Resolve to an absolute path. Verify the directory exists. Abort with a clear error if not found.
All reads and writes to the target project use <target>/ as the root. The auto-engineer repo root (<ae-repo>) is the directory that contains both .claude/ and templates/ as direct children — from this skill file's location at .claude/skills/sync/SKILL.md, that is three levels up.
Step 1 — Discover sync candidates
Sync covers three artifact groups:
Group A — Skills
- Template side: subdirectories under
<ae-repo>/templates/skills/that contain aSKILL.md. - Target side: subdirectories under
<target>/.claude/skills/that contain aSKILL.md.
Classify each skill name:
| Classification | Condition |
|---|---|
| Paired | Present in both templates/skills/<name>/ and <target>/.claude/skills/<name>/ |
| Template-only | In templates/skills/ but not in target (never seeded, or intentionally absent) |
| Target-only | In <target>/.claude/skills/ but no template counterpart (e.g. seed, sync, new user skills) |
All three groups participate in the interactive resolution loop:
- Paired skills: full pull / push / diff / skip menu.
- Template-only skills: offer
[p] pullto seed the skill into the target, or[s] skip. - Target-only skills: offer
[P] pushto promote to templates, or[s] skip.
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.
- 1mo ago First seen · 230 lines · 71 tokens per session scan A 9e7b22877bc5
sync is a skill published in the GitHub repository dburkart/auto-engineer (5 stars, last pushed 6mo ago), licensed BSD-3-Clause. It adds 71 tokens to every session and 2,294 once invoked, about $0.0003 per session on Opus 5.5. 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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