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ai-asset-pricing: Skill for Claude Code

.claude/skills/compare-versions/SKILL.md

compare-versions is a skill for Claude Code from Alexander-M-Dickerson/ai-asset-pricing. It costs 14 tokens per session (294 once invoked), scanned A, original, MIT.

A text-comparison tool that places an earlier version beside a proposed revision and explains each change. It groups changes by reasons such as wording, terminology, precision, or structure.

In plain words
What is it for?
Use it after editing a document, or to compare a specific section and understand why its paragraphs changed.
Why use it?
It makes revisions easier to inspect and discuss instead of forcing readers to spot every difference manually.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter.

This is Alexander-M-Dickerson/ai-asset-pricing's own configuration. It tells Claude Code how to work on ai-asset-pricing 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 ai-asset-pricing configures →

not rated 59repo 6mo ago A scan 14 tokens original MIT
View source ↗ Alexander-M-Dickerson/ai-asset-pricing
Reuse

Borrowing it

Nothing to install: this file belongs to Alexander-M-Dickerson/ai-asset-pricing. 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/Alexander-M-Dickerson/ai-asset-pricing/main/.claude/skills/compare-versions/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/Alexander-M-Dickerson/ai-asset-pricing

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 compare-versions

README.md
[![agentmods](https://agentmods.dev/badge/skills/alexander-m-dickerson/ai-asset-pricing/compare-versions/github.svg)](https://agentmods.dev/skills/alexander-m-dickerson/ai-asset-pricing/compare-versions)
Your own site
<a href="https://agentmods.dev/skills/alexander-m-dickerson/ai-asset-pricing/compare-versions"><img src="https://agentmods.dev/badge/skills/alexander-m-dickerson/ai-asset-pricing/compare-versions/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 compare-versions

Your own site · 80×15
<a href="https://agentmods.dev/skills/alexander-m-dickerson/ai-asset-pricing/compare-versions"><img src="https://agentmods.dev/badge/skills/alexander-m-dickerson/ai-asset-pricing/compare-versions.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 14 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 294 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.
Origin original 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 $0.00014 $0.00294
Opus 5.5 $0.00006 $0.00118
Sonnet 5.5 $0.00003 $0.00059
Haiku 4.5 $0.00001 $0.00029

Measured 2mo ago against content hash cb00bd2b4f91, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

compare-versions 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/compare-versions/SKILL.md · 49 lines

What it actually says

Compare Versions Skill

Show a side-by-side comparison of old vs. new text after an edit, with rationale for each change.

Examples

  • /compare-versions -- compare after the most recent edit
  • /compare-versions introduction -- compare current vs. proposed introduction text

Workflow

  1. Identify the two text versions (before and after edit)
  2. Align paragraphs between versions
  3. For each changed paragraph, show:
    • Before: The original text
    • After: The revised text
    • Why: Category of change (banned word, terminology, voice, precision, concision, restructure)
  4. Summarize total changes by category

Output Format

COMPARISON: [section name]
==========================

CHANGE 1 [Banned word]:
  Before: "...we utilize a comprehensive set of..."
  After:  "...we use a thorough set of..."

CHANGE 2 [Terminology]:
  Before: "...microstructure noise affects..."
  After:  "...measurement error affects..."

[etc.]

SUMMARY:
- Banned words fixed: N
- Terminology corrections: N
- Voice improvements: N
- Precision additions: N
- Concision cuts: N
- Total changes: N
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 · 49 lines · 14 tokens per session scan A cb00bd2b4f91

Subscribe to this mod's changes

compare-versions is a skill published in the GitHub repository Alexander-M-Dickerson/ai-asset-pricing (59 stars, last pushed 6mo ago), licensed MIT. It adds 14 tokens to every session and 294 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.

Writing and docs
Related

compare-versions compared with skills from other repositories

compare-versions next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
compare-versionsAlexander-M-Dickerson/ai-asset-pricingSkill596mo agoMITA14Claude Code
imagegenopenai/codexSkill133kyesterdayApache-2.0A113Codex
playwright-climicrosoft/playwrightSkill99kyesterdayApache-2.0A19Claude Code
local-ai-agentsmicrosoft/ai-agents-for-beginnersSkill79k4d agoMITA200Claude Code, Codex
systematic-debuggingobra/superpowersSkill313k3d agoMITA21Claude Code
next-cache-components-adoptionvercel/next.jsSkill143ktodayMITA95Claude Code
next-partial-prefetching-adoptionvercel/next.jsSkill143ktodayMITA103Claude Code