case-study-writer

case-study-writer is a skill for Codex from aditya-ariosity/ux-ui-skills. It costs 114 tokens per session (1,352 once invoked), scanned A, original, MIT.

A writing guide for turning real product-design evidence into a portfolio case study or interview story.

In plain words
What is it for?
Use it to structure UX case studies, portfolio pages, interview presentations, and application narratives.
Why use it?
It helps you explain your decisions and contribution clearly without inventing research, results, or quotes.

Skill for Codex

Written for Codex: agents/openai.yaml present.

Good fit Use it to structure UX case studies, portfolio pages, interview presentations, and application narratives.

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Install with agentmods
npx agentmods add skills/aditya-ariosity/ux-ui-skills/case-study-writer
Install

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.

Any agent
npx skills add aditya-ariosity/ux-ui-skills --skill case-study-writer
Clone the repo
git clone --depth 1 https://github.com/aditya-ariosity/ux-ui-skills

Made for: Codex.

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 case-study-writer

README.md
[![agentmods](https://agentmods.dev/badge/skills/aditya-ariosity/ux-ui-skills/case-study-writer/github.svg)](https://agentmods.dev/skills/aditya-ariosity/ux-ui-skills/case-study-writer)
Your own site
<a href="https://agentmods.dev/skills/aditya-ariosity/ux-ui-skills/case-study-writer"><img src="https://agentmods.dev/badge/skills/aditya-ariosity/ux-ui-skills/case-study-writer/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 case-study-writer

Your own site · 80×15
<a href="https://agentmods.dev/skills/aditya-ariosity/ux-ui-skills/case-study-writer"><img src="https://agentmods.dev/badge/skills/aditya-ariosity/ux-ui-skills/case-study-writer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 114 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,352 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 $0.00114 $0.01352
Opus 5 $0.00057 $0.00676
Sonnet 5 $0.00023 $0.00270
Haiku 4.5 $0.00011 $0.00135

Measured yesterday against content hash a015f4e0183d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

case-study-writer 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 yesterday.

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.

case-study-writer/SKILL.md · 153 lines

How it starts

The opening of the file, as written. The whole thing — 153 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Case Study Writer

Write a decision story, not a process diary. Show what changed in the team's understanding, what the author specifically contributed, why key choices were made, and what evidence supports the result.

1. Define audience and format

Identify:

  • target role, seniority, company type, and reviewer needs;
  • format: portfolio page, interview deck, PDF, application excerpt, or verbal walkthrough;
  • expected reading time and confidentiality constraints;
  • competencies the project can genuinely demonstrate.

Optimize the same evidence differently for a recruiter scan, hiring-manager review, craft critique, and cross-functional interview. Do not make one page carry every detail.

2. Build an evidence ledger

Read references/evidence-and-claims.md. Extract only what is supported:

Claim | Evidence | Source | Author's role | Confidence | Confidentiality | Visual candidate

Separate:

  • direct contribution from team contribution;
  • observed user evidence from stakeholder opinion;
  • shipped outcome from prototype result;
  • measured result from directional signal;
  • fact from interpretation and retrospective learning.

Ask for missing material when it changes credibility. If it remains unavailable, write around the gap transparently.

Checkpoint: Before shaping the story, verify that the pivotal decision and headline outcome each map to evidence or an explicit limitation. After drafting, re-check every claim against the ledger; downgrade, qualify, or remove unsupported claims, then repeat until every retained claim is supported or visibly limited.

3. Find the narrative spine

Use:

Context -> Tension -> Evidence -> Decision -> Change -> Outcome -> Learning

The tension should be a real conflict or uncertainty: competing user goals, technical limits, harmful existing behavior, ambiguous data, organizational constraint, or a failed first approach. The decision must show judgment, not merely sequence.

Draft one sentence:

Read the full file on GitHub · 153 lines

Files

What ships with it

5 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. yesterday Changed · +44 tokens per session a015f4e0183d
  2. 8d ago First seen · 153 lines · 70 tokens per session scan A 29eea6eb4def

Subscribe to this mod's changes

case-study-writer is a skill published in the GitHub repository aditya-ariosity/ux-ui-skills (2 stars, last pushed 2d ago), licensed MIT. It adds 114 tokens to every session and 1,352 once invoked, about $0.0006 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 2026-09-04.

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