React Frontend Development Guidelines
diet103/claude-code-infrastructure-showcase
Guidelines for React 18 and TypeScript apps covering Suspense data fetching, lazy loading, feature folders, MUI v7 styling, TanStack Router and performance.
Agent skill
Image Optimization Helper
by jeremylongshore in jeremylongshore/tons-of-skills-marketplace
Configure with image optimization helper operations. An agent skill from jeremylongshore/tons-of-skills-marketplace.
Install Image Optimization Helper
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill image-optimization-helper -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace image-optimization-helper --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/05-frontend-dev/image-optimization-helper .claude/skills/image-optimization-helper && rm -rf skills-srcUse ~/.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/
Install the "image-optimization-helper" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/05-frontend-dev/image-optimization-helper into .claude/skills/image-optimization-helper/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "image-optimization-helper", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/05-frontend-dev/image-optimization-helperType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill image-optimization-helper -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace image-optimization-helper --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/05-frontend-dev/image-optimization-helper .agents/skills/image-optimization-helper && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "image-optimization-helper" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/05-frontend-dev/image-optimization-helper into .agents/skills/image-optimization-helper/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "image-optimization-helper", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill image-optimization-helper -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace image-optimization-helper --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/05-frontend-dev/image-optimization-helper .cursor/skills/image-optimization-helper && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "image-optimization-helper" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/05-frontend-dev/image-optimization-helper into .cursor/skills/image-optimization-helper/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "image-optimization-helper", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/jeremylongshore/tons-of-skills-marketplace.git --path skills/05-frontend-dev/image-optimization-helper--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill image-optimization-helper -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace image-optimization-helper --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/05-frontend-dev/image-optimization-helper .gemini/skills/image-optimization-helper && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "image-optimization-helper" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/05-frontend-dev/image-optimization-helper into .gemini/skills/image-optimization-helper/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "image-optimization-helper", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install jeremylongshore/tons-of-skills-marketplace image-optimization-helperInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill image-optimization-helper -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/05-frontend-dev/image-optimization-helper .github/skills/image-optimization-helper && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "image-optimization-helper" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/05-frontend-dev/image-optimization-helper into .github/skills/image-optimization-helper/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "image-optimization-helper", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill image-optimization-helper -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace image-optimization-helper --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/05-frontend-dev/image-optimization-helper .opencode/skills/image-optimization-helper && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "image-optimization-helper" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/05-frontend-dev/image-optimization-helper into .opencode/skills/image-optimization-helper/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "image-optimization-helper", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
image-optimization-helper- GitHub stars
- 2.8k
- Token cost
- ~589 tokens
- SKILL.md length
- 197 words
- Files
- 1
- Skills in repo
- 3,342
- Repo updated
- First seen
- Licence
- MIT
At a glance
Configure with image optimization helper operations. An agent skill from jeremylongshore/tons-of-skills-marketplace.
- Works in 4 steps: Provides step-by-step guidance for image… → Follows industry best practices and… → Generates production-ready code and… → …
- : image optimization helper
- SKILL.md covers Overview, When to Use, Instructions and Examples, plus 5 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Image Optimization Helper is an agent skill from jeremylongshore/tons-of-skills-marketplace. Configure with image optimization helper operations. Auto-activating skill for Frontend Development. Triggers on: image optimization helper, image optimization helper Part of the Frontend Development skill category. Use when working with image optimization helper functionality. Trigger with phrases like "image optimization helper", "image helper", "image".
Its SKILL.md is about 590 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts. Compatibility notes: Designed for Claude Code
It sits in Frontend & Design, covering Web performance and Frontend development. The repository describes itself as: Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com. The licence is MIT.
When your agent uses it
- : image optimization helper
- Image optimization helper Part of the Frontend Development skill category
- Working with image optimization helper functionality
- With phrases like image optimization helper
Example prompts
- “image optimization helper”
- “image helper”
- “/image-optimization-helper”
Requirements
- Compatibility (from SKILL.md): Designed for Claude Code
- Pre-approved tools (allowed-tools): Read, Write, Edit, Bash(cmd:*), Grep
Workflow steps
4 steps, taken from the first numbered list in SKILL.md.
- Provides step-by-step guidance for image optimization helper
- Follows industry best practices and patterns
- Generates production-ready code and configurations
- Validates outputs against common standards
What it can do on your machine
Read from SKILL.md and the folder at commit cfae287. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves these tools, so the agent can use them without asking each time:
ReadWriteEditBash(cmd:*)Grep
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
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.
Compatibility
Designed for Claude Code
From compatibility in the SKILL.md frontmatter.
Context cost
Image Optimization Helper loads about 589 tokens when it runs. Until then it costs about 96 tokens; SKILL.md has 197 words of instructions outside code blocks.
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 jeremylongshore/tons-of-skills-marketplace at commit cfae287, republished under its MIT licence (© jeremylongshore). 197 words, ~589 tokens.
Download SKILL.mdSave it as
.claude/skills/image-optimization-helper/SKILL.md (or your agent's skills folder).- name
- image-optimization-helper
- description
- Configure with image optimization helper operations. Auto-activating skill for Frontend Development. Triggers on: image optimization helper, image optimization helper Part of the Frontend Development skill category. Use when working with image optimization helper functionality. Trigger with phrases like "image optimization helper", "image helper", "image".
- allowed-tools
- Read, Write, Edit, Bash(cmd:*), Grep
- compatibility
- Designed for Claude Code
- version
- 1.0.0
- license
- MIT
- author
- Jeremy Longshore <jeremy@intentsolutions.io>
- tags
- frontend, development
Image Optimization Helper
Overview
This skill provides automated assistance for image optimization helper tasks within the Frontend Development domain.
When to Use
This skill activates automatically when you:
- Mention "image optimization helper" in your request
- Ask about image optimization helper patterns or best practices
- Need help with frontend skills covering react, vue, css, accessibility, performance optimization, and modern web development patterns.
Instructions
- Provides step-by-step guidance for image optimization helper
- Follows industry best practices and patterns
- Generates production-ready code and configurations
- Validates outputs against common standards
Examples
Example: Basic Usage Request: "Help me with image optimization helper" Result: Provides step-by-step guidance and generates appropriate configurations
Prerequisites
- Relevant development environment configured
- Access to necessary tools and services
- Basic understanding of frontend development concepts
Output
- Generated configurations and code
- Best practice recommendations
- Validation results
Error Handling
| Error | Cause | Solution |
|---|---|---|
| Configuration invalid | Missing required fields | Check documentation for required parameters |
| Tool not found | Dependency not installed | Install required tools per prerequisites |
| Permission denied | Insufficient access | Verify credentials and permissions |
Resources
- Official documentation for related tools
- Best practices guides
- Community examples and tutorials
Related Skills
Part of the Frontend Development skill category. Tags: react, vue, css, accessibility, web
© jeremylongshore, 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 skills/05-frontend-dev/image-optimization-helper of jeremylongshore/tons-of-skills-marketplace.
Open the folder on GitHubat commit cfae287
Compare with similar skills
Image Optimization Helper 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Image Optimization Helper this skilljeremylongshore/tons-of-skills-marketplace | 2.8k | — | ~589 | Automated safety check: Pass | MIT | |
| React Frontend Development Guidelinesdiet103/claude-code-infrastructure-showcase | 10k | 2 repos | ~2.9k | Automated safety check: Pass | MIT | |
| Frontend DevelopmentOpenHands/OpenHands | 90k | — | ~324 | Automated safety check: Pass | MIT | |
| Angular ArchitectJeffallan/claude-skills | 12k | — | ~1.5k | Automated safety check: Pass | MIT | |
| Senior Frontendalirezarezvani/claude-skills | 28k | 5 repos | ~3.9k | Automated safety check: Pass | MIT | |
| Next.js DeveloperJeffallan/claude-skills | 12k | — | ~1.4k | Automated safety check: Pass | MIT |
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Related
Categories
Questions about Image Optimization Helper
What does Image Optimization Helper do?
Configure with image optimization helper operations. An agent skill from jeremylongshore/tons-of-skills-marketplace. Image Optimization Helper is an agent skill from jeremylongshore/tons-of-skills-marketplace. Configure with image optimization helper operations.
When should I use Image Optimization Helper?
Image Optimization Helper fits situations like: : image optimization helper; image optimization helper Part of the Frontend Development skill category; working with image optimization helper functionality; with phrases like image optimization helper.
How do I install Image Optimization Helper in Claude Code?
Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill image-optimization-helper -a claude-code`. Or copy the skill folder (skills/05-frontend-dev/image-optimization-helper in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/image-optimization-helper in your project. Claude Code loads it when a task matches its description.
How do I install Image Optimization Helper in Codex?
Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill image-optimization-helper -a codex`. Or copy the skill folder (skills/05-frontend-dev/image-optimization-helper in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/image-optimization-helper in your project. Codex loads it when a task matches its description.
Can I use Image Optimization Helper 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 jeremylongshore/tons-of-skills-marketplace --skill image-optimization-helper -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/image-optimization-helper, .gemini/skills/image-optimization-helper, .github/skills/image-optimization-helper and .opencode/skills/image-optimization-helper in your project.
What does Image Optimization Helper need to run?
SKILL.md names no scripts, command-line tools or credentials: Image Optimization Helper is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Write, Edit, Bash(cmd:*), Grep. Compatibility (from SKILL.md): Designed for Claude Code.
Does Image Optimization Helper access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Image Optimization Helper 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 Image Optimization Helper use?
Image Optimization Helper is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Image Optimization Helper use?
About 589 tokens (SKILL.md is roughly 2.4k 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 Image Optimization Helper?
Skills that share tags, products or a category with Image Optimization Helper: React Frontend Development Guidelines (diet103/claude-code-infrastructure-showcase, 10k stars), Frontend Development (OpenHands/OpenHands, 90k stars), Angular Architect (Jeffallan/claude-skills, 12k stars) and Senior Frontend (alirezarezvani/claude-skills, 28k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Image Optimization Helper?
jeremylongshore (a GitHub user) maintains it in jeremylongshore/tons-of-skills-marketplace, which has 2,827 GitHub stars. The repository holds 3,342 skills in this directory. The repository was last updated on October 10, 2026.
Source: jeremylongshore/tons-of-skills-marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.