Tailwindcss Development
anonaddy/anonaddy
Always invoke when the user's message includes 'tailwind' in any form.
A skill your agent uses when auditing server configuration or diagnosing broken resources.
Install Mime Type
$ npx skills add thedaviddias/Front-End-Checklist --skill mime-type -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install thedaviddias/Front-End-Checklist mime-type --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/thedaviddias/Front-End-Checklist.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/mime-type .claude/skills/mime-type && 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 "mime-type" agent skill from https://github.com/thedaviddias/Front-End-Checklist/tree/main/skills/mime-type into .claude/skills/mime-type/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mime-type", 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/thedaviddias/Front-End-Checklist/tree/main/skills/mime-typeType 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 thedaviddias/Front-End-Checklist --skill mime-type -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install thedaviddias/Front-End-Checklist mime-type --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/thedaviddias/Front-End-Checklist.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/mime-type .agents/skills/mime-type && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "mime-type" agent skill from https://github.com/thedaviddias/Front-End-Checklist/tree/main/skills/mime-type into .agents/skills/mime-type/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mime-type", 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 thedaviddias/Front-End-Checklist --skill mime-type -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install thedaviddias/Front-End-Checklist mime-type --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/thedaviddias/Front-End-Checklist.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/mime-type .cursor/skills/mime-type && 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 "mime-type" agent skill from https://github.com/thedaviddias/Front-End-Checklist/tree/main/skills/mime-type into .cursor/skills/mime-type/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mime-type", 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/thedaviddias/Front-End-Checklist.git --path skills/mime-type--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 thedaviddias/Front-End-Checklist --skill mime-type -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install thedaviddias/Front-End-Checklist mime-type --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/thedaviddias/Front-End-Checklist.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/mime-type .gemini/skills/mime-type && 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 "mime-type" agent skill from https://github.com/thedaviddias/Front-End-Checklist/tree/main/skills/mime-type into .gemini/skills/mime-type/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mime-type", 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 thedaviddias/Front-End-Checklist mime-typeInstalls 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 thedaviddias/Front-End-Checklist --skill mime-type -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/thedaviddias/Front-End-Checklist.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/mime-type .github/skills/mime-type && 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 "mime-type" agent skill from https://github.com/thedaviddias/Front-End-Checklist/tree/main/skills/mime-type into .github/skills/mime-type/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mime-type", 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 thedaviddias/Front-End-Checklist --skill mime-type -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install thedaviddias/Front-End-Checklist mime-type --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/thedaviddias/Front-End-Checklist.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/mime-type .opencode/skills/mime-type && 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 "mime-type" agent skill from https://github.com/thedaviddias/Front-End-Checklist/tree/main/skills/mime-type into .opencode/skills/mime-type/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "mime-type", 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
mime-type- GitHub stars
- 74k
- Token cost
- ~551 tokens
- SKILL.md length
- 245 words
- Files
- 2 (incl. references)
- Skills in repo
- 390
- Repo updated
- First seen
- Licence
- MIT
At a glance
A skill your agent uses when auditing server configuration or diagnosing broken resources.
- Auditing server configuration
- SKILL.md covers Quick Reference, Check, Fix and Explain, plus 1 more section
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
- Diagnosing broken resources
What it does
Mime Type is an agent skill from thedaviddias/Front-End-Checklist. Use when auditing server configuration or diagnosing broken resources. Applies to any web server serving HTML, CSS, JS, images, fonts, or other static assets.
Its SKILL.md is about 550 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/rule.md`).
It sits in Frontend & Design. It works with JavaScript. The repository describes itself as: 🗂 The essential checklist for modern web development, for humans and AI agents. The licence is MIT.
When your agent uses it
- Auditing server configuration
- Diagnosing broken resources
Example prompts
- “/mime-type”
What it can do on your machine
Read from SKILL.md and the folder at commit e8d14d0. 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
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
Links to these hosts (documentation or services it may open):
frontendchecklist.io
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
Mime Type loads about 551 tokens when it runs, and up to ~1.6k if it reads all its reference files. Until then it costs about 42 tokens; SKILL.md has 245 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 thedaviddias/Front-End-Checklist at commit e8d14d0, republished under its MIT licence (© thedaviddias). 245 words, ~551 tokens.
Download SKILL.mdSave it as
.claude/skills/mime-type/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.- name
- mime-type
- description
- Use when auditing server configuration or diagnosing broken resources. Applies to any web server serving HTML, CSS, JS, images, fonts, or other static assets.
- metadata.category
- seo
- metadata.priority
- medium
- metadata.difficulty
- intermediate
- metadata.estimatedTime
- 15
- metadata.source
- frontendchecklist.io
- metadata.url
- https://frontendchecklist.io/rules/seo/mime-type
MIME Type Validation
Incorrect MIME types cause browsers to block stylesheets and scripts (MIME sniffing is disabled by X-Content-Type-Options: nosniff), breaking page rendering and signalling poor site quality to crawlers.
Quick Reference
- The Content-Type header must match the actual file type being served
- HTML pages must be served as text/html; charset=utf-8
- CSS files must be served as text/css and JavaScript as text/javascript
- Incorrect MIME types cause browsers to block or mishandle resources
Check
For key pages and their linked resources, inspect the HTTP Content-Type response header. Verify HTML responses use text/html; charset=utf-8, CSS uses text/css, JS uses text/javascript, and images use image/jpeg, image/png, etc.
Fix
Update your server configuration to serve each file type with its correct MIME type. Set X-Content-Type-Options: nosniff to prevent browsers from guessing content types. In Next.js and similar frameworks, configure headers in next.config.js.
Explain
The Content-Type header tells browsers and crawlers what kind of content is being sent. When it mismatches the actual file type, browsers either block the resource or render it incorrectly—CSS served as text/plain won't be applied, and JavaScript served as text/html may be blocked by strict MIME checking.
Code Review
For HTML, CSS, and JS assets, check the Content-Type response header. Verify HTML responses include 'charset=utf-8'. Check that X-Content-Type-Options: nosniff is set. Flag any resource returning Content-Type: text/html that is not an HTML page. Check for missing charset declarations on text responses.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
© thedaviddias, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 1 other file (references) in skills/mime-type of thedaviddias/Front-End-Checklist.
- SKILL.md
- references/rule.md
Open the folder on GitHubat commit e8d14d0
Compare with similar skills
Mime Type 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 |
|---|---|---|---|---|---|---|
| Mime Type this skillthedaviddias/Front-End-Checklist | 74k | — | ~551 | Automated safety check: Pass | MIT | |
| Tailwindcss Developmentanonaddy/anonaddy | 4.9k | 10 repos | ~865 | Automated safety check: Pass | MIT | |
| Figma use_figma Plugin API Ruleswarpdotdev/warp | 65k | 4 repos | ~4.4k | Automated safety check: Pass | AGPL-3.0 | |
| GSAP Core Animationgreensock/gsap-skills | 16k | 3 repos | ~3.7k | Automated safety check: Pass | MIT | |
| Scroll World Landing Pageoso95/scroll-world | 9.9k | 1 repos | ~12k | Automated safety check: Notes | MIT | |
| Tabler Astro Component Scriptstabler/tabler | 42k | — | ~2.1k | Automated safety check: Pass | MIT |
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GSAP Core Animation
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Covers the GSAP core API for tweens, easing, staggers, defaults and matchMedia, and when to choose GSAP over CSS animations or other JavaScript animation libraries.
Scroll World Landing Page
oso95/scroll-world
Builds a scroll-driven landing page where a pre-rendered camera flies through connected AI-generated scenes, using Higgsfield for stills and video clips.
Tabler Astro Component Scripts
tabler/tabler
Rules for adding or fixing client-side scripts in Tabler's Astro components so the copied preview HTML stays readable, self-contained and runs in the right order.
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Sets the file structure, typing and Data API pattern for writing a new Bootstrap-style JavaScript component class in Tabler's vendored port of Bootstrap's JS.
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Related
Works with
Categories
Questions about Mime Type
What does Mime Type do?
A skill your agent uses when auditing server configuration or diagnosing broken resources. Mime Type is an agent skill from thedaviddias/Front-End-Checklist. Use when auditing server configuration or diagnosing broken resources.
When should I use Mime Type?
Mime Type fits situations like: auditing server configuration; diagnosing broken resources.
How do I install Mime Type in Claude Code?
Run `npx skills add thedaviddias/Front-End-Checklist --skill mime-type -a claude-code`. Or copy the skill folder (skills/mime-type in thedaviddias/Front-End-Checklist) into .claude/skills/mime-type in your project. Claude Code loads it when a task matches its description.
How do I install Mime Type in Codex?
Run `npx skills add thedaviddias/Front-End-Checklist --skill mime-type -a codex`. Or copy the skill folder (skills/mime-type in thedaviddias/Front-End-Checklist) into .agents/skills/mime-type in your project. Codex loads it when a task matches its description.
Can I use Mime Type 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 thedaviddias/Front-End-Checklist --skill mime-type -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/mime-type, .gemini/skills/mime-type, .github/skills/mime-type and .opencode/skills/mime-type in your project.
What does Mime Type need to run?
SKILL.md names no scripts, command-line tools or credentials: Mime Type is instructions for the agent only.
Does Mime Type access the network?
SKILL.md names 1 domain. As links in the text: frontendchecklist.io. This is read from the text; nothing was executed.
Is Mime Type 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 Mime Type use?
Mime Type 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 Mime Type use?
About 551 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. Its references folder adds about 1k tokens, read only when the agent opens those files.
What are the alternatives to Mime Type?
Skills that share tags, products or a category with Mime Type: Tailwindcss Development (anonaddy/anonaddy, 4.9k stars), Figma use_figma Plugin API Rules (warpdotdev/warp, 65k stars), GSAP Core Animation (greensock/gsap-skills, 16k stars) and Scroll World Landing Page (oso95/scroll-world, 9.9k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Mime Type?
thedaviddias (a GitHub user) maintains it in thedaviddias/Front-End-Checklist, which has 74,421 GitHub stars. The repository holds 390 skills in this directory. The repository was last updated on October 6, 2026.
Source: thedaviddias/Front-End-Checklist on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.