yugabyte-db: Skill for Claude Code

.claude/skills/create-diff/SKILL.md

create-diff is a skill for Claude Code from yugabyte/yugabyte-db. It costs 31 tokens per session (3,149 once invoked), scanned A, original, no licence file.

A tool for creating a YugabyteDB Phorge diff from the changes on the current branch. Phorge is a code-review system.

In plain words
What is it for?
Use it when you want to publish current YugabyteDB changes for review.
Why use it?
It prepares the branch's changes for review without requiring you to assemble the diff manually.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is yugabyte/yugabyte-db's own configuration. It tells Claude Code how to work on yugabyte-db itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything yugabyte-db configures →

Reuse

Borrowing it

Nothing to install: this file belongs to yugabyte/yugabyte-db. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/yugabyte/yugabyte-db/master/.claude/skills/create-diff/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/yugabyte/yugabyte-db

Made for: Claude Code.

Wrote 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.

agentmods badge for create-diff

README.md
[![agentmods](https://agentmods.dev/badge/skills/yugabyte/yugabyte-db/create-diff/github.svg)](https://agentmods.dev/skills/yugabyte/yugabyte-db/create-diff)
Your own site
<a href="https://agentmods.dev/skills/yugabyte/yugabyte-db/create-diff"><img src="https://agentmods.dev/badge/skills/yugabyte/yugabyte-db/create-diff/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.

agentmods 80×15 button for create-diff

Your own site · 80×15
<a href="https://agentmods.dev/skills/yugabyte/yugabyte-db/create-diff"><img src="https://agentmods.dev/badge/skills/yugabyte/yugabyte-db/create-diff.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 31 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,149 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to high

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 →

  • high Privilege Escalation · line 45
    Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.
    Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
How audits are shown
Origin unknown No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00031 $0.03149
Opus 5.5 $0.00012 $0.01260
Sonnet 5.5 $0.00006 $0.00630
Haiku 4.5 $0.00003 $0.00315

Measured 2mo ago against content hash 9c2b8427c581, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

create-diff 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 2mo 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.

.claude/skills/create-diff/SKILL.md · 294 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

Changes

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.

  1. 2mo ago First seen · 294 lines · 31 tokens per session scan A 9c2b8427c581

Subscribe to this mod's changes

create-diff is a skill published in the GitHub repository yugabyte/yugabyte-db (10,636 stars, last pushed today), with no licence file. It adds 31 tokens to every session and 3,149 once invoked, about $0.0001 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 2026-08-30.

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