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.
Monitor web vitals monitor operations. An agent skill from jeremylongshore/tons-of-skills-marketplace.
Install Web Vitals Monitor
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill web-vitals-monitor -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace web-vitals-monitor --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/web-vitals-monitor .claude/skills/web-vitals-monitor && 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 "web-vitals-monitor" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/05-frontend-dev/web-vitals-monitor into .claude/skills/web-vitals-monitor/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-vitals-monitor", 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/web-vitals-monitorType 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 web-vitals-monitor -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace web-vitals-monitor --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/web-vitals-monitor .agents/skills/web-vitals-monitor && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "web-vitals-monitor" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/05-frontend-dev/web-vitals-monitor into .agents/skills/web-vitals-monitor/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-vitals-monitor", 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 web-vitals-monitor -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace web-vitals-monitor --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/web-vitals-monitor .cursor/skills/web-vitals-monitor && 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 "web-vitals-monitor" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/05-frontend-dev/web-vitals-monitor into .cursor/skills/web-vitals-monitor/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-vitals-monitor", 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/web-vitals-monitor--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 web-vitals-monitor -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install jeremylongshore/tons-of-skills-marketplace web-vitals-monitor --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/web-vitals-monitor .gemini/skills/web-vitals-monitor && 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 "web-vitals-monitor" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/05-frontend-dev/web-vitals-monitor into .gemini/skills/web-vitals-monitor/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-vitals-monitor", 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 web-vitals-monitorInstalls 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 web-vitals-monitor -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/web-vitals-monitor .github/skills/web-vitals-monitor && 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 "web-vitals-monitor" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/05-frontend-dev/web-vitals-monitor into .github/skills/web-vitals-monitor/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-vitals-monitor", 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 web-vitals-monitor -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 web-vitals-monitor --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/web-vitals-monitor .opencode/skills/web-vitals-monitor && 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 "web-vitals-monitor" agent skill from https://github.com/jeremylongshore/tons-of-skills-marketplace/tree/main/skills/05-frontend-dev/web-vitals-monitor into .opencode/skills/web-vitals-monitor/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "web-vitals-monitor", 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
web-vitals-monitor- GitHub stars
- 2.8k
- Token cost
- ~561 tokens
- SKILL.md length
- 197 words
- Files
- 1
- Skills in repo
- 3,342
- Repo updated
- First seen
- Licence
- MIT
At a glance
Monitor web vitals monitor operations. An agent skill from jeremylongshore/tons-of-skills-marketplace.
- Works in 4 steps: Provides step-by-step guidance for web… → Follows industry best practices and… → Generates production-ready code and… → …
- : web vitals monitor
- 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
Web Vitals Monitor is an agent skill from jeremylongshore/tons-of-skills-marketplace. Monitor web vitals monitor operations. Auto-activating skill for Frontend Development. Triggers on: web vitals monitor, web vitals monitor Part of the Frontend Development skill category. Use when monitoring systems or services. Trigger with phrases like "web vitals monitor", "web monitor", "web".
Its SKILL.md is about 560 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
- : web vitals monitor
- Web vitals monitor Part of the Frontend Development skill category
- Monitoring systems
- With phrases like web vitals monitor
Example prompts
- “web vitals monitor”
- “web monitor”
- “/web-vitals-monitor”
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 web vitals monitor
- 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
Web Vitals Monitor loads about 561 tokens when it runs. Until then it costs about 79 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, ~561 tokens.
Download SKILL.mdSave it as
.claude/skills/web-vitals-monitor/SKILL.md (or your agent's skills folder).- name
- web-vitals-monitor
- description
- Monitor web vitals monitor operations. Auto-activating skill for Frontend Development. Triggers on: web vitals monitor, web vitals monitor Part of the Frontend Development skill category. Use when monitoring systems or services. Trigger with phrases like "web vitals monitor", "web monitor", "web".
- 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
Web Vitals Monitor
Overview
This skill provides automated assistance for web vitals monitor tasks within the Frontend Development domain.
When to Use
This skill activates automatically when you:
- Mention "web vitals monitor" in your request
- Ask about web vitals monitor 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 web vitals monitor
- 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 web vitals monitor" 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/web-vitals-monitor of jeremylongshore/tons-of-skills-marketplace.
Open the folder on GitHubat commit cfae287
Compare with similar skills
Web Vitals Monitor 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 |
|---|---|---|---|---|---|---|
| Web Vitals Monitor this skilljeremylongshore/tons-of-skills-marketplace | 2.8k | — | ~561 | 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 | 91k | — | ~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 Web Vitals Monitor
What does Web Vitals Monitor do?
Monitor web vitals monitor operations. An agent skill from jeremylongshore/tons-of-skills-marketplace. Web Vitals Monitor is an agent skill from jeremylongshore/tons-of-skills-marketplace. Monitor web vitals monitor operations.
When should I use Web Vitals Monitor?
Web Vitals Monitor fits situations like: : web vitals monitor; web vitals monitor Part of the Frontend Development skill category; monitoring systems; with phrases like web vitals monitor.
How do I install Web Vitals Monitor in Claude Code?
Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill web-vitals-monitor -a claude-code`. Or copy the skill folder (skills/05-frontend-dev/web-vitals-monitor in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/web-vitals-monitor in your project. Claude Code loads it when a task matches its description.
How do I install Web Vitals Monitor in Codex?
Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill web-vitals-monitor -a codex`. Or copy the skill folder (skills/05-frontend-dev/web-vitals-monitor in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/web-vitals-monitor in your project. Codex loads it when a task matches its description.
Can I use Web Vitals Monitor 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 web-vitals-monitor -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/web-vitals-monitor, .gemini/skills/web-vitals-monitor, .github/skills/web-vitals-monitor and .opencode/skills/web-vitals-monitor in your project.
What does Web Vitals Monitor need to run?
SKILL.md names no scripts, command-line tools or credentials: Web Vitals Monitor 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 Web Vitals Monitor 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 Web Vitals Monitor 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 Web Vitals Monitor use?
Web Vitals Monitor 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 Web Vitals Monitor use?
About 561 tokens (SKILL.md is roughly 2.2k 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 Web Vitals Monitor?
Skills that share tags, products or a category with Web Vitals Monitor: React Frontend Development Guidelines (diet103/claude-code-infrastructure-showcase, 10k stars), Frontend Development (OpenHands/OpenHands, 91k 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 Web Vitals Monitor?
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.