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Agent skill

Resource Diff Report

by aztfmod in aztfmod/terraform-provider-azurecaf

Compare two versions of resourceDefinition.json (e.g., branch vs main) and produce a structured change summary.

MITAuto-check passedDevelopment

Install Resource Diff Report

skills CLI
$ npx skills add aztfmod/terraform-provider-azurecaf --skill resource-diff-report -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install aztfmod/terraform-provider-azurecaf resource-diff-report --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/aztfmod/terraform-provider-azurecaf.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.github/skills/resource-diff-report .claude/skills/resource-diff-report && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
resource-diff-report
GitHub stars
188
Token cost
~455 tokens
SKILL.md length
27 words
Files
1
Skills in repo
22
Repo updated
First seen
Licence
MIT

At a glance

Compare two versions of resourceDefinition.json (e.g., branch vs main) and produce a structured change summary.

  • Works in 5 steps: Get the two versions → Extract resource names → Identify changes → …
  • Before/after comparison
  • Calls git
  • Tasks that involve Pull requests

What it does

Resource Diff Report is an agent skill from aztfmod/terraform-provider-azurecaf. Compare two versions of resourceDefinition.json (e.g., branch vs main) and produce a structured change summary. Triggers on: PR review, audit, before/after comparison.

Its SKILL.md is about 460 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Development, covering Pull requests. The repository describes itself as: Terraform provider for the Terraform platform engineering for Azure. The licence is MIT.

When your agent uses it

  • Before/after comparison
  • Tasks that involve Pull requests

Example prompts

  • “/resource-diff-report”

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. Get the two versions
  2. Extract resource names
  3. Identify changes
  4. Report
  5. Cleanup

What it can do on your machine

Read from SKILL.md and the folder at commit ac74615. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • git

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use git, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Resource Diff Report loads about 455 tokens when it runs. Until then it costs about 47 tokens; SKILL.md has 27 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~47
When it runs · the whole SKILL.md, loaded when a task matches
~455

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from aztfmod/terraform-provider-azurecaf at commit ac74615, republished under its MIT licence (© aztfmod). 27 words, ~455 tokens.

Download SKILL.mdSave it as .claude/skills/resource-diff-report/SKILL.md (or your agent's skills folder).
name
resource-diff-report
description
Compare two versions of resourceDefinition.json (e.g., branch vs main) and produce a structured change summary. Triggers on: PR review, audit, before/after comparison.

Resource Diff Report

Procedure

1. Get the two versions

Branch vs main:

bash
git show origin/main:resourceDefinition.json > /tmp/rd-main.json
cp resourceDefinition.json /tmp/rd-branch.json

Or two arbitrary commits:

bash
git show <commit1>:resourceDefinition.json > /tmp/rd-before.json
git show <commit2>:resourceDefinition.json > /tmp/rd-after.json
2. Extract resource names
bash
grep '"name":' /tmp/rd-main.json | sed 's/.*"name": "//;s/".*//' | sort > /tmp/rd-names-main.txt
grep '"name":' /tmp/rd-branch.json | sed 's/.*"name": "//;s/".*//' | sort > /tmp/rd-names-branch.txt
3. Identify changes
bash
# New resources (in branch but not in main)
comm -13 /tmp/rd-names-main.txt /tmp/rd-names-branch.txt > /tmp/rd-added.txt

# Removed resources (in main but not in branch)
comm -23 /tmp/rd-names-main.txt /tmp/rd-names-branch.txt > /tmp/rd-removed.txt

# Common resources (check for field changes)
comm -12 /tmp/rd-names-main.txt /tmp/rd-names-branch.txt > /tmp/rd-common.txt
4. Report
## Resource Definition Changes

### Added (<count>)
| Resource | Slug | Length | Scope |
|----------|------|--------|-------|
| <name>   | <slug> | <min>-<max> | <scope> |

### Removed (<count>)
| Resource |
|----------|
| <name>   |

### Modified (<count>)
| Resource | Field | Before | After |
|----------|-------|--------|-------|
| <name>   | <field> | <old> | <new> |

### Summary
- Total resources: <before> → <after>
- Net change: +<added> / -<removed> / ~<modified>
5. Cleanup
bash
rm -f /tmp/rd-*.json /tmp/rd-*.txt

© aztfmod, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in .github/skills/resource-diff-report of aztfmod/terraform-provider-azurecaf.

Open the folder on GitHubat commit ac74615

Compare with similar skills

Resource Diff Report next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Resource Diff Report compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Resource Diff Report this skillaztfmod/terraform-provider-azurecaf188—~455Automated safety check: PassMIT
Finishing a Development Branchobra/superpowers296k5 repos~1.9kAutomated safety check: PassMIT
PR Babysitteropeninterpreter/openinterpreter69k3 repos~4.2kAutomated safety check: PassApache-2.0
Check PRonyx-dot-app/onyx32k2 repos~2.3kAutomated safety check: PassMIT
Understand Diff AnalysisEgonex-AI/Understand-Anything86k1 repos~1.4kAutomated safety check: PassMIT
PR Design DocOpenHands/OpenHands90k—~2.4kAutomated safety check: PassMIT

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  • Issue To Resource Spec

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  • Naming Rules Drift Check

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Categories

Questions about Resource Diff Report

What does Resource Diff Report do?

Compare two versions of resourceDefinition.json (e.g., branch vs main) and produce a structured change summary. Resource Diff Report is an agent skill from aztfmod/terraform-provider-azurecaf., branch vs main) and produce a structured change summary.

When should I use Resource Diff Report?

Resource Diff Report fits situations like: before/after comparison; tasks that involve Pull requests.

How do I install Resource Diff Report in Claude Code?

Run `npx skills add aztfmod/terraform-provider-azurecaf --skill resource-diff-report -a claude-code`. Or copy the skill folder (.github/skills/resource-diff-report in aztfmod/terraform-provider-azurecaf) into .claude/skills/resource-diff-report in your project. Claude Code loads it when a task matches its description.

How do I install Resource Diff Report in Codex?

Run `npx skills add aztfmod/terraform-provider-azurecaf --skill resource-diff-report -a codex`. Or copy the skill folder (.github/skills/resource-diff-report in aztfmod/terraform-provider-azurecaf) into .agents/skills/resource-diff-report in your project. Codex loads it when a task matches its description.

Can I use Resource Diff Report in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add aztfmod/terraform-provider-azurecaf --skill resource-diff-report -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/resource-diff-report, .gemini/skills/resource-diff-report, .github/skills/resource-diff-report and .opencode/skills/resource-diff-report in your project.

What does Resource Diff Report need to run?

Going by SKILL.md and its folder, Resource Diff Report needs the command-line tools its instructions call (git).

Does Resource Diff Report access the network?

SKILL.md contains no URLs. Its commands use git, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Resource Diff Report safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Resource Diff Report use?

Resource Diff Report is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Resource Diff Report use?

About 455 tokens (SKILL.md is roughly 1.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Resource Diff Report?

Skills that share tags, products or a category with Resource Diff Report: Finishing a Development Branch (obra/superpowers, 296k stars), PR Babysitter (openinterpreter/openinterpreter, 69k stars), Check PR (onyx-dot-app/onyx, 32k stars) and Understand Diff Analysis (Egonex-AI/Understand-Anything, 86k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Resource Diff Report?

aztfmod (a GitHub organization) maintains it in aztfmod/terraform-provider-azurecaf, which has 188 GitHub stars. The repository holds 22 skills in this directory. The repository was last updated on September 21, 2026.

Source: aztfmod/terraform-provider-azurecaf on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.