SEO Page
AgriciDaniel/codex-seo
Deep single-page SEO analysis covering on-page elements, content quality, technical meta tags, schema, images, and performance.
A skill your agent uses when applies to any page intended to be shared on X (Twitter).
Install Twitter Cards
$ npx skills add thedaviddias/Front-End-Checklist --skill twitter-cards -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install thedaviddias/Front-End-Checklist twitter-cards --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/twitter-cards .claude/skills/twitter-cards && 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 "twitter-cards" agent skill from https://github.com/thedaviddias/Front-End-Checklist/tree/main/skills/twitter-cards into .claude/skills/twitter-cards/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "twitter-cards", 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/twitter-cardsType 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 twitter-cards -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install thedaviddias/Front-End-Checklist twitter-cards --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/twitter-cards .agents/skills/twitter-cards && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "twitter-cards" agent skill from https://github.com/thedaviddias/Front-End-Checklist/tree/main/skills/twitter-cards into .agents/skills/twitter-cards/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "twitter-cards", 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 twitter-cards -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install thedaviddias/Front-End-Checklist twitter-cards --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/twitter-cards .cursor/skills/twitter-cards && 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 "twitter-cards" agent skill from https://github.com/thedaviddias/Front-End-Checklist/tree/main/skills/twitter-cards into .cursor/skills/twitter-cards/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "twitter-cards", 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/twitter-cards--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 twitter-cards -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install thedaviddias/Front-End-Checklist twitter-cards --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/twitter-cards .gemini/skills/twitter-cards && 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 "twitter-cards" agent skill from https://github.com/thedaviddias/Front-End-Checklist/tree/main/skills/twitter-cards into .gemini/skills/twitter-cards/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "twitter-cards", 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 twitter-cardsInstalls 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 twitter-cards -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/twitter-cards .github/skills/twitter-cards && 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 "twitter-cards" agent skill from https://github.com/thedaviddias/Front-End-Checklist/tree/main/skills/twitter-cards into .github/skills/twitter-cards/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "twitter-cards", 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 twitter-cards -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 twitter-cards --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/twitter-cards .opencode/skills/twitter-cards && 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 "twitter-cards" agent skill from https://github.com/thedaviddias/Front-End-Checklist/tree/main/skills/twitter-cards into .opencode/skills/twitter-cards/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "twitter-cards", 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
twitter-cards- GitHub stars
- 74k
- Token cost
- ~523 tokens
- SKILL.md length
- 221 words
- Files
- 2 (incl. references)
- Skills in repo
- 390
- Repo updated
- First seen
- Licence
- MIT
At a glance
A skill your agent uses when applies to any page intended to be shared on X (Twitter).
- Applies to any page intended to be shared on X (Twitter)
- 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
- Auditing social sharing previews
What it does
Twitter Cards is an agent skill from thedaviddias/Front-End-Checklist. Use when applies to any page intended to be shared on X (Twitter). Use when auditing social sharing previews or adding social meta tags to a new site.
Its SKILL.md is about 520 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 Marketing & SEO, covering On-page SEO. It works with X (Twitter). 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
- Applies to any page intended to be shared on X (Twitter)
- Auditing social sharing previews
- Adding social meta tags to a new site
Example prompts
- “/twitter-cards”
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
Twitter Cards loads about 523 tokens when it runs, and up to ~1.4k if it reads all its reference files. Until then it costs about 41 tokens; SKILL.md has 221 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). 221 words, ~523 tokens.
Download SKILL.mdSave it as
.claude/skills/twitter-cards/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.- name
- twitter-cards
- description
- Use when applies to any page intended to be shared on X (Twitter). Use when auditing social sharing previews or adding social meta tags to a new site.
- metadata.category
- seo
- metadata.priority
- medium
- metadata.difficulty
- beginner
- metadata.estimatedTime
- 10
- metadata.source
- frontendchecklist.io
- metadata.url
- https://frontendchecklist.io/rules/seo/twitter-cards
Add Twitter Card meta tags
Pages shared on X without Twitter Cards show only a bare link; Cards add an image and description that significantly increase click-through rates from social traffic.
Quick Reference
- Add
<meta name="twitter:card" content="summary_large_image">to enable rich previews when shared on X (Twitter) - Minimum required tags:
twitter:card,twitter:title,twitter:description - X falls back to Open Graph tags (
og:title,og:image) if Twitter-specific tags are absent - Recommended image size for
summary_large_image: 1200×630 px, max 5 MB, JPG/PNG/WebP
Check
Inspect <head> for <meta name="twitter:card">, <meta name="twitter:title">, <meta name="twitter:description">, and <meta name="twitter:image">. Verify the card type is valid (summary or summary_large_image). Test the URL in the X Card Validator.
Fix
Add the required Twitter Card meta tags to the <head>. For article/blog pages use summary_large_image. Ensure twitter:image points to an absolute URL of an image at least 300×157 px (ideally 1200×630 px) under 5 MB.
Explain
Explain how Twitter Cards enhance shared links, the difference between summary and summary_large_image card types, and how X falls back to Open Graph tags.
Code Review
Review metadata generation, rendered HTML, structured data, and response headers related to Add Twitter Card meta tags. Flag exact routes or templates where search-facing output violates the rule, and describe how to verify the final page output.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
Rule page: https://frontendchecklist.io/rules/seo/twitter-cards
© 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/twitter-cards of thedaviddias/Front-End-Checklist.
- SKILL.md
- references/rule.md
Open the folder on GitHubat commit e8d14d0
Compare with similar skills
Twitter Cards 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 |
|---|---|---|---|---|---|---|
| Twitter Cards this skillthedaviddias/Front-End-Checklist | 74k | — | ~523 | Automated safety check: Pass | MIT | |
| SEO PageAgriciDaniel/codex-seo | 799 | 5 repos | ~1.2k | Automated safety check: Pass | MIT | |
| Meta Tags OptimizerViryaZheng/recomby-geo | 458 | 1 repos | ~2.7k | Automated safety check: Pass | MIT | |
| SEO FundamentalsDanielPodolsky/ownyourcode | 290 | 1 repos | ~1.4k | Automated safety check: Pass | MIT | |
| Browser4 SEOplatonai/Browser4 | 1.2k | — | ~1.6k | Automated safety check: Pass | Apache-2.0 | |
| SEOgridaco/grida | 2.7k | — | ~2.1k | Automated safety check: Pass | Apache-2.0 |
Similar skills
Meta Tags Optimizer
ViryaZheng/recomby-geo
Optimize title tags, meta descriptions, Open Graph, and Twitter cards for maximum click-through rate.
SEO Fundamentals
DanielPodolsky/ownyourcode
Reviews SEO including meta tags, semantic HTML, and Open Graph.
Browser4 SEO
platonai/Browser4
Extract and audit SEO metadata from the current browser page.
SEO
gridaco/grida
SEO best practices for the Grida project across Next.js pages, blog posts, and documentation.
Blog SEO Check
AgriciDaniel/claude-blog
Post-writing SEO validation with pass/fail checklist covering title tag length and keyword placement, meta description quality, heading hierarchy and keyword density, internal/external link audit…
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Adds, checks and fixes FAQPage JSON-LD on pages with visible question-and-answer sections so it matches what readers see and can qualify for rich results.
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Checks that a site's favicon is linked, reachable and large enough for Google search results, and sets up ICO, SVG and Apple touch icon files when they are missing.
Content Freshness Signals
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Audits article pages for freshness signals, covering the Last-Modified header, Article JSON-LD dateModified and a visible last-updated date, and fixes mismatches.
Geo Meta Tags Audit
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Audits and fixes geo.region, geo.placename and geo.position meta tags on regional pages, noting where they help (Bing) and where they do not (Google).
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Scores and rewrites a Front-End Checklist rule MDX file against a scored quality rubric, replacing generic stub prompts with specific, actionable ones.
Related
Works with
Categories
Questions about Twitter Cards
What does Twitter Cards do?
A skill your agent uses when applies to any page intended to be shared on X (Twitter). Twitter Cards is an agent skill from thedaviddias/Front-End-Checklist. Use when applies to any page intended to be shared on X (Twitter).
When should I use Twitter Cards?
Twitter Cards fits situations like: applies to any page intended to be shared on X (Twitter); auditing social sharing previews; adding social meta tags to a new site.
How do I install Twitter Cards in Claude Code?
Run `npx skills add thedaviddias/Front-End-Checklist --skill twitter-cards -a claude-code`. Or copy the skill folder (skills/twitter-cards in thedaviddias/Front-End-Checklist) into .claude/skills/twitter-cards in your project. Claude Code loads it when a task matches its description.
How do I install Twitter Cards in Codex?
Run `npx skills add thedaviddias/Front-End-Checklist --skill twitter-cards -a codex`. Or copy the skill folder (skills/twitter-cards in thedaviddias/Front-End-Checklist) into .agents/skills/twitter-cards in your project. Codex loads it when a task matches its description.
Can I use Twitter Cards 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 twitter-cards -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/twitter-cards, .gemini/skills/twitter-cards, .github/skills/twitter-cards and .opencode/skills/twitter-cards in your project.
What does Twitter Cards need to run?
SKILL.md names no scripts, command-line tools or credentials: Twitter Cards is instructions for the agent only.
Does Twitter Cards 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 Twitter Cards 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 Twitter Cards use?
Twitter Cards 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 Twitter Cards use?
About 523 tokens (SKILL.md is roughly 2.1k 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 880 tokens, read only when the agent opens those files.
What are the alternatives to Twitter Cards?
Skills that share tags, products or a category with Twitter Cards: SEO Page (AgriciDaniel/codex-seo, 799 stars), Meta Tags Optimizer (ViryaZheng/recomby-geo, 458 stars), SEO Fundamentals (DanielPodolsky/ownyourcode, 290 stars) and Browser4 SEO (platonai/Browser4, 1.2k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Twitter Cards?
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.