Readme I18n
Y80/bmm
A skill your agent uses when the user wants to translate a repository README, make a repo multilingual, localize docs, add a language switcher, internationalize the README, or update localized…
Best practices for multi-language handling, locale routing, and detection strategies across App and Pages Router.
Install Nextjs I18n
$ npx skills add HoangNguyen0403/agent-skills-standard --skill nextjs-i18n -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install HoangNguyen0403/agent-skills-standard nextjs-i18n --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/HoangNguyen0403/agent-skills-standard.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/nextjs/nextjs-i18n .claude/skills/nextjs-i18n && 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 "nextjs-i18n" agent skill from https://github.com/HoangNguyen0403/agent-skills-standard/tree/develop/skills/nextjs/nextjs-i18n into .claude/skills/nextjs-i18n/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "nextjs-i18n", 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/HoangNguyen0403/agent-skills-standard/tree/develop/skills/nextjs/nextjs-i18nType 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 HoangNguyen0403/agent-skills-standard --skill nextjs-i18n -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install HoangNguyen0403/agent-skills-standard nextjs-i18n --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/HoangNguyen0403/agent-skills-standard.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/nextjs/nextjs-i18n .agents/skills/nextjs-i18n && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "nextjs-i18n" agent skill from https://github.com/HoangNguyen0403/agent-skills-standard/tree/develop/skills/nextjs/nextjs-i18n into .agents/skills/nextjs-i18n/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "nextjs-i18n", 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 HoangNguyen0403/agent-skills-standard --skill nextjs-i18n -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install HoangNguyen0403/agent-skills-standard nextjs-i18n --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/HoangNguyen0403/agent-skills-standard.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/nextjs/nextjs-i18n .cursor/skills/nextjs-i18n && 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 "nextjs-i18n" agent skill from https://github.com/HoangNguyen0403/agent-skills-standard/tree/develop/skills/nextjs/nextjs-i18n into .cursor/skills/nextjs-i18n/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "nextjs-i18n", 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/HoangNguyen0403/agent-skills-standard.git --path skills/nextjs/nextjs-i18n--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 HoangNguyen0403/agent-skills-standard --skill nextjs-i18n -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install HoangNguyen0403/agent-skills-standard nextjs-i18n --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/HoangNguyen0403/agent-skills-standard.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/nextjs/nextjs-i18n .gemini/skills/nextjs-i18n && 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 "nextjs-i18n" agent skill from https://github.com/HoangNguyen0403/agent-skills-standard/tree/develop/skills/nextjs/nextjs-i18n into .gemini/skills/nextjs-i18n/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "nextjs-i18n", 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 HoangNguyen0403/agent-skills-standard nextjs-i18nInstalls 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 HoangNguyen0403/agent-skills-standard --skill nextjs-i18n -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/HoangNguyen0403/agent-skills-standard.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/nextjs/nextjs-i18n .github/skills/nextjs-i18n && 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 "nextjs-i18n" agent skill from https://github.com/HoangNguyen0403/agent-skills-standard/tree/develop/skills/nextjs/nextjs-i18n into .github/skills/nextjs-i18n/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "nextjs-i18n", 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 HoangNguyen0403/agent-skills-standard --skill nextjs-i18n -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install HoangNguyen0403/agent-skills-standard nextjs-i18n --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/HoangNguyen0403/agent-skills-standard.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/nextjs/nextjs-i18n .opencode/skills/nextjs-i18n && 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 "nextjs-i18n" agent skill from https://github.com/HoangNguyen0403/agent-skills-standard/tree/develop/skills/nextjs/nextjs-i18n into .opencode/skills/nextjs-i18n/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "nextjs-i18n", 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
nextjs-i18n- GitHub stars
- 572
- Token cost
- ~653 tokens
- SKILL.md length
- 241 words
- Files
- 5 (incl. references)
- Skills in repo
- 211
- Repo updated
- First seen
- Licence
- MIT
At a glance
Best practices for multi-language handling, locale routing, and detection strategies across App and Pages Router.
- Works in 7 steps: Install next-intl and create… → Add locale detection middleware in… → Create app/[lang]/layout.tsx with locale… → …
- Language detection in Next.js
- SKILL.md covers Priority: P2 (MEDIUM), Workflow: Add i18n to Next.js…, Middleware Example and Implementation Guidelines, plus 2 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Nextjs I18n is an agent skill from HoangNguyen0403/agent-skills-standard. Best practices for multi-language handling, locale routing, and detection strategies across App and Pages Router. Use when adding i18n, locale routing, or language detection in Next.js.
Its SKILL.md is about 650 tokens, which your agent loads only when the skill is triggered. The skill folder holds 6 other files, including reference files (for example `evals/evals.json`, `references/implementation.md` and `references/next-intl.md`).
It sits in Frontend & Design, covering Internationalization. It works with Next.js and React. The repository describes itself as: A collection of Agent Skills Standard and Best Practice for Programming Languages, Frameworks that help our AI Agent follow best practies on frameworks and programming laguages. The licence is MIT.
When your agent uses it
- Language detection in Next.js
- Tasks that involve Internationalization
Example prompts
- “/nextjs-i18n”
Workflow steps
7 steps, taken from the first numbered list in SKILL.md.
- Install next-intl and create messages/en.json, messages/fr.json, etc.
- Add locale detection middleware in middleware.ts
- Create app/[lang]/layout.tsx with locale param
- Load translations server-side via getMessages()
- Add hreflang tags in generateMetadata
- Pre-render locales with generateStaticParams
- Verify: run next build and confirm all locale paths render
What it can do on your machine
Read from SKILL.md and the folder at commit b529c2d. 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
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.
Context cost
Nextjs I18n loads about 653 tokens when it runs, and up to ~1.2k if it reads all its reference files. Until then it costs about 49 tokens; SKILL.md has 241 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 HoangNguyen0403/agent-skills-standard at commit b529c2d, republished under its MIT licence (© HoangNguyen0403). 241 words, ~653 tokens.
Download SKILL.mdSave it as
.claude/skills/nextjs-i18n/SKILL.md (or your agent's skills folder). This skill also uses 4 other files; get the full folder from GitHub.- name
- nextjs-i18n
- description
- Best practices for multi-language handling, locale routing, and detection strategies across App and Pages Router. Use when adding i18n, locale routing, or language detection in Next.js.
Internationalization (i18n)
Priority: P2 (MEDIUM)
Maintain single source of truth for locales and ensure SEO-friendly sub-path routing.
Workflow: Add i18n to Next.js App Router Project
- Install
next-intland createmessages/en.json,messages/fr.json, etc. - Add locale detection middleware in
middleware.ts - Create
app/[lang]/layout.tsxwith locale param - Load translations server-side via
getMessages() - Add
hreflangtags ingenerateMetadata - Pre-render locales with
generateStaticParams - Verify: run
next buildand confirm all locale paths render
Middleware Example
Implementation Guidelines
- Locale Routing: Follow URL-first approach for SEO. Use dynamic segments in App Router (
app/[lang]/page.tsx) andi18nconfiguration innext.config.jsfor Pages Router. - Library Selection: Use
next-intlfor App Router (modern) orreact-intl/next-translatefor legacy apps. - Detection: Implement middleware localization in
middleware.tsto detect user language fromAccept-Languageheaders or cookies and perform redirects. - Server-Side: Load translation
messages/*.jsondictionaries in Server Components to keep client bundle small. - SEO: Ensure
hreflangtags generated correctly inmetadataAPI for all translated routes. - Static Generation: Use
generateStaticParamsto pre-render localized versions of static pages at build time.
Library Specifics
For detailed setup with common libraries, refer to:
Anti-Patterns
- No hardcoded strings in JSX: Use translation keys; never commit raw text.
- No client-side translation bundles: Load dictionaries server-side with
getMessages(). - No mixed URL locale patterns: Use sub-paths or domains consistently.
Canonical response anchors
When this skill applies, preserve the following domain terminology or equivalent concrete examples in the answer when relevant:
- consistent
© HoangNguyen0403, 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 4 other files (references) in skills/nextjs/nextjs-i18n of HoangNguyen0403/agent-skills-standard.
- SKILL.md
- evals/evals.json
- references/implementation.md
- references/next-intl.md
- references/react-intl.md
Open the folder on GitHubat commit b529c2d
Compare with similar skills
Nextjs I18n 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 |
|---|---|---|---|---|---|---|
| Nextjs I18n this skillHoangNguyen0403/agent-skills-standard | 572 | — | ~653 | Automated safety check: Pass | MIT | |
| Readme I18nY80/bmm | 344 | 2 repos | ~1.9k | Automated safety check: Pass | MIT | |
| Builder UI I18nChatbotXIO/ChatbotX | 888 | — | ~2.1k | Automated safety check: Pass | Custom licence | |
| Nextjs Nextra Starter Distillpdsuwwz/nextjs-nextra-starter | 318 | — | ~596 | Automated safety check: Pass | MIT | |
| Nextjs Nextra Starter Distill Zhpdsuwwz/nextjs-nextra-starter | 318 | — | ~313 | Automated safety check: Pass | MIT | |
| React View Transitions Guidevercel-labs/next-beats | 168 | 11 repos | ~3.1k | Automated safety check: Pass | MIT |
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Related
Categories
Questions about Nextjs I18n
What does Nextjs I18n do?
Best practices for multi-language handling, locale routing, and detection strategies across App and Pages Router. Nextjs I18n is an agent skill from HoangNguyen0403/agent-skills-standard. Best practices for multi-language handling, locale routing, and detection strategies across App and Pages Router.
When should I use Nextjs I18n?
Nextjs I18n fits situations like: language detection in Next.js; tasks that involve Internationalization.
How do I install Nextjs I18n in Claude Code?
Run `npx skills add HoangNguyen0403/agent-skills-standard --skill nextjs-i18n -a claude-code`. Or copy the skill folder (skills/nextjs/nextjs-i18n in HoangNguyen0403/agent-skills-standard) into .claude/skills/nextjs-i18n in your project. Claude Code loads it when a task matches its description.
How do I install Nextjs I18n in Codex?
Run `npx skills add HoangNguyen0403/agent-skills-standard --skill nextjs-i18n -a codex`. Or copy the skill folder (skills/nextjs/nextjs-i18n in HoangNguyen0403/agent-skills-standard) into .agents/skills/nextjs-i18n in your project. Codex loads it when a task matches its description.
Can I use Nextjs I18n 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 HoangNguyen0403/agent-skills-standard --skill nextjs-i18n -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/nextjs-i18n, .gemini/skills/nextjs-i18n, .github/skills/nextjs-i18n and .opencode/skills/nextjs-i18n in your project.
What does Nextjs I18n need to run?
SKILL.md names no scripts, command-line tools or credentials: Nextjs I18n is instructions for the agent only.
Does Nextjs I18n 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 Nextjs I18n 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 Nextjs I18n use?
Nextjs I18n 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 Nextjs I18n use?
About 653 tokens (SKILL.md is roughly 2.6k 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 543 tokens, read only when the agent opens those files.
What are the alternatives to Nextjs I18n?
Skills that share tags, products or a category with Nextjs I18n: Readme I18n (Y80/bmm, 344 stars), Builder UI I18n (ChatbotXIO/ChatbotX, 888 stars), Nextjs Nextra Starter Distill (pdsuwwz/nextjs-nextra-starter, 318 stars) and Nextjs Nextra Starter Distill Zh (pdsuwwz/nextjs-nextra-starter, 318 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Nextjs I18n?
HoangNguyen0403 (a GitHub user) maintains it in HoangNguyen0403/agent-skills-standard, which has 572 GitHub stars. The repository holds 211 skills in this directory. The repository was last updated on October 9, 2026.
Source: HoangNguyen0403/agent-skills-standard on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.