MailFathom: Skill for Claude Code

.agents/skills/imagegen-frontend-mobile/SKILL.md

imagegen-frontend-mobile is a skill for Claude Code, Codex from Krzysztof318/MailFathom. It costs 126 tokens per session (8,753 once invoked), scanned A, original, AGPL-3.0.

A workflow for generating visual concepts for mobile app screens and user flows on iOS, Android, or cross-platform apps. It focuses on readable layouts, consistent screens, colour choices, and visual direction.

In plain words
What is it for?
It is for exploring mobile app screen designs and multi-screen user flows before implementation.
Why use it?
It gives mobile interface planning a consistent visual reference across several screens instead of treating each screen in isolation.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing. Also seen: installed under .agents/ (shared by several agents).

This is Krzysztof318/MailFathom's own configuration. It tells Claude Code and Codex how to work on MailFathom 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 MailFathom configures →

Reuse

Borrowing it

Nothing to install: this file belongs to Krzysztof318/MailFathom. 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/Krzysztof318/MailFathom/main/.agents/skills/imagegen-frontend-mobile/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/Krzysztof318/MailFathom

Made for: Claude Code, 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 imagegen-frontend-mobile

README.md
[![agentmods](https://agentmods.dev/badge/skills/krzysztof318/mailfathom/imagegen-frontend-mobile/github.svg)](https://agentmods.dev/skills/krzysztof318/mailfathom/imagegen-frontend-mobile)
Your own site
<a href="https://agentmods.dev/skills/krzysztof318/mailfathom/imagegen-frontend-mobile"><img src="https://agentmods.dev/badge/skills/krzysztof318/mailfathom/imagegen-frontend-mobile/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 imagegen-frontend-mobile

Your own site · 80×15
<a href="https://agentmods.dev/skills/krzysztof318/mailfathom/imagegen-frontend-mobile"><img src="https://agentmods.dev/badge/skills/krzysztof318/mailfathom/imagegen-frontend-mobile.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 126 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 8,753 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 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 $0.00126 $0.08753
Opus 5.5 $0.00050 $0.03501
Sonnet 5.5 $0.00025 $0.01751
Haiku 4.5 $0.00013 $0.00875

Measured 15d ago against content hash 7d39a7f64d9a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

imagegen-frontend-mobile 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 15d 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.

.agents/skills/imagegen-frontend-mobile/SKILL.md · 1,470 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

1 file 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. 15d ago First seen · 1,470 lines · 126 tokens per session scan A 7d39a7f64d9a

Subscribe to this mod's changes

imagegen-frontend-mobile is a skill published in the GitHub repository Krzysztof318/MailFathom (15 stars, last pushed 11d ago), licensed AGPL-3.0. It adds 126 tokens to every session and 8,753 once invoked, about $0.0005 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 2026-10-08.

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