Vercel Security Basics
jeremylongshore/tons-of-skills-marketplace
Apply Vercel security best practices for secrets, headers, and access control.
Review Next.js security audit patterns for App Router and Server Actions.
Install Security Nextjs
$ npx skills add IgorWarzocha/Opencode-Workflows --skill security-nextjs -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install IgorWarzocha/Opencode-Workflows security-nextjs --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/IgorWarzocha/Opencode-Workflows.git skills-src && mkdir -p .claude/skills && cp -r skills-src/agents/security-reviewer/.opencode/skill/security-nextjs .claude/skills/security-nextjs && 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 "security-nextjs" agent skill from https://github.com/IgorWarzocha/Opencode-Workflows/tree/master/agents/security-reviewer/.opencode/skill/security-nextjs into .claude/skills/security-nextjs/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "security-nextjs", 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/IgorWarzocha/Opencode-Workflows/tree/master/agents/security-reviewer/.opencode/skill/security-nextjsType 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 IgorWarzocha/Opencode-Workflows --skill security-nextjs -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install IgorWarzocha/Opencode-Workflows security-nextjs --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/IgorWarzocha/Opencode-Workflows.git skills-src && mkdir -p .agents/skills && cp -r skills-src/agents/security-reviewer/.opencode/skill/security-nextjs .agents/skills/security-nextjs && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "security-nextjs" agent skill from https://github.com/IgorWarzocha/Opencode-Workflows/tree/master/agents/security-reviewer/.opencode/skill/security-nextjs into .agents/skills/security-nextjs/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "security-nextjs", 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 IgorWarzocha/Opencode-Workflows --skill security-nextjs -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install IgorWarzocha/Opencode-Workflows security-nextjs --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/IgorWarzocha/Opencode-Workflows.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/agents/security-reviewer/.opencode/skill/security-nextjs .cursor/skills/security-nextjs && 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 "security-nextjs" agent skill from https://github.com/IgorWarzocha/Opencode-Workflows/tree/master/agents/security-reviewer/.opencode/skill/security-nextjs into .cursor/skills/security-nextjs/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "security-nextjs", 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/IgorWarzocha/Opencode-Workflows.git --path agents/security-reviewer/.opencode/skill/security-nextjs--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 IgorWarzocha/Opencode-Workflows --skill security-nextjs -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install IgorWarzocha/Opencode-Workflows security-nextjs --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/IgorWarzocha/Opencode-Workflows.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/agents/security-reviewer/.opencode/skill/security-nextjs .gemini/skills/security-nextjs && 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 "security-nextjs" agent skill from https://github.com/IgorWarzocha/Opencode-Workflows/tree/master/agents/security-reviewer/.opencode/skill/security-nextjs into .gemini/skills/security-nextjs/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "security-nextjs", 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 IgorWarzocha/Opencode-Workflows security-nextjsInstalls 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 IgorWarzocha/Opencode-Workflows --skill security-nextjs -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/IgorWarzocha/Opencode-Workflows.git skills-src && mkdir -p .github/skills && cp -r skills-src/agents/security-reviewer/.opencode/skill/security-nextjs .github/skills/security-nextjs && 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 "security-nextjs" agent skill from https://github.com/IgorWarzocha/Opencode-Workflows/tree/master/agents/security-reviewer/.opencode/skill/security-nextjs into .github/skills/security-nextjs/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "security-nextjs", 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 IgorWarzocha/Opencode-Workflows --skill security-nextjs -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install IgorWarzocha/Opencode-Workflows security-nextjs --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/IgorWarzocha/Opencode-Workflows.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/agents/security-reviewer/.opencode/skill/security-nextjs .opencode/skills/security-nextjs && 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 "security-nextjs" agent skill from https://github.com/IgorWarzocha/Opencode-Workflows/tree/master/agents/security-reviewer/.opencode/skill/security-nextjs into .opencode/skills/security-nextjs/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "security-nextjs", 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
security-nextjs- GitHub stars
- 122
- Token cost
- ~1.5k tokens
- SKILL.md length
- 185 words
- Files
- 2 (incl. scripts)
- Skills in repo
- 35
- Repo updated
- First seen
- Licence
- None found
At a glance
Review Next.js security audit patterns for App Router and Server Actions.
- Works in 3 steps: grep -r "NEXT_PUBLIC_" . -g "*.env*" → For each var, ask: "Would I be OK if… → Common mistakes
- Auditing NEXTPUBLIC exposure
- SKILL.md covers Environment Variable Exposure, Server Actions Security, API Routes Security and Middleware Security, plus 3 more sections
- Runs Shell scripts from its folder; calls rg; needs NEXT_PUBLIC_API_KEY and NEXT_PUBLIC_STRIPE_SECRET_KEY
What it does
Security Nextjs is an agent skill from IgorWarzocha/Opencode-Workflows. Review Next.js security audit patterns for App Router and Server Actions. Use for auditing NEXTPUBLIC exposure, Server Action auth, and middleware matchers. Use proactively when reviewing Next.js apps. Examples: - user: "Scan Next.js env vars" → find leaked secrets with NEXTPUBLIC prefix - user: "Audit Server Actions" → check for missing auth and input validation - user: "Review Next.js middleware" → verify matcher coverage for protected routes - user: "Check Next.js API routes" → verify auth in app/api and…
Its SKILL.md is about 1.5k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including scripts (for example `scripts/scan.sh`).
It sits in Security, covering Secrets management, Security review and Secure coding. It works with Next.js. The repository describes itself as: An ever evolving repository of Opencode workflow examples that might enhance your experience with it. I only left the stuff that actually works. YMMV.
When your agent uses it
- Auditing NEXTPUBLIC exposure
- Server Action auth
- Middleware matchers
Example prompts
- “Scan Next.js env vars”
- “Audit Server Actions”
- “Review Next.js middleware”
- “/security-nextjs”
Requirements
- A Bash shell
- A credential in NEXT_PUBLIC_API_KEY
- A credential in NEXT_PUBLIC_STRIPE_SECRET_KEY
Workflow steps
3 steps, taken from the first numbered list in SKILL.md.
- grep -r "NEXT_PUBLIC_" . -g "*.env*"
- For each var, ask: "Would I be OK if this was in view-source?"
- Common mistakes
What it can do on your machine
Read from SKILL.md and the folder at commit 6444ec4. 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
Ships 1 file in scripts/ (Shell), which the agent can run.
Shell commands in SKILL.md call:
rg
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 these keys or tokens, usually read from environment variables:
NEXT_PUBLIC_API_KEYNEXT_PUBLIC_STRIPE_SECRET_KEYSTRIPE_SECRET_KEYAPI_KEYNEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Security Nextjs loads about 1.5k tokens when it runs. Until then it costs about 155 tokens; SKILL.md has 185 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: notes
The automated check noted patterns worth knowing about, such as sudo or a known installer.
- NoteMentions a .env fileSKILL.md:192
| NEXT_PUBLIC_ secrets | `.env*` files | CRITICAL |
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); the scripts in this folder are not scanned.
SKILL.md
Without a licence we can't republish the file, so here is its outline and opening line. It has 185 words (~1,526 tokens).
“Security audit patterns for Next.js applications covering environment variable exposure, Server Actions, middleware auth, API routes, and App Router security.”
- name
- security-nextjs
Files
SKILL.md and 1 other file (scripts) in agents/security-reviewer/.opencode/skill/security-nextjs of IgorWarzocha/Opencode-Workflows.
- SKILL.md
- scripts/scan.sh
Open the folder on GitHubat commit 6444ec4
Compare with similar skills
Security Nextjs 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 |
|---|---|---|---|---|---|---|
| Security Nextjs this skillIgorWarzocha/Opencode-Workflows | 122 | — | ~1.5k | Automated safety check: Notes | None | |
| Vercel Security Basicsjeremylongshore/tons-of-skills-marketplace | 2.8k | — | ~1.9k | Automated safety check: Notes | MIT | |
| Security Baselinerampstackco/claude-skills | 940 | — | ~3k | Automated safety check: Pass | MIT | |
| Discover Securityrand/cc-polymath | 181 | — | ~1.9k | Automated safety check: Pass | MIT | |
| Secure Codingtechygarg/lattice | 198 | — | ~1.5k | Automated safety check: Pass | MIT | |
| Security Hardeningrohitg00/awesome-claude-code-toolkit | 2.7k | — | ~1.5k | Automated safety check: Notes | Apache-2.0 |
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Questions about Security Nextjs
What does Security Nextjs do?
Review Next.js security audit patterns for App Router and Server Actions. Security Nextjs is an agent skill from IgorWarzocha/Opencode-Workflows.js security audit patterns for App Router and Server Actions.
When should I use Security Nextjs?
Security Nextjs fits situations like: auditing NEXTPUBLIC exposure; server Action auth; middleware matchers.
How do I install Security Nextjs in Claude Code?
Run `npx skills add IgorWarzocha/Opencode-Workflows --skill security-nextjs -a claude-code`. Or copy the skill folder (agents/security-reviewer/.opencode/skill/security-nextjs in IgorWarzocha/Opencode-Workflows) into .claude/skills/security-nextjs in your project. Claude Code loads it when a task matches its description.
How do I install Security Nextjs in Codex?
Run `npx skills add IgorWarzocha/Opencode-Workflows --skill security-nextjs -a codex`. Or copy the skill folder (agents/security-reviewer/.opencode/skill/security-nextjs in IgorWarzocha/Opencode-Workflows) into .agents/skills/security-nextjs in your project. Codex loads it when a task matches its description.
Can I use Security Nextjs 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 IgorWarzocha/Opencode-Workflows --skill security-nextjs -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/security-nextjs, .gemini/skills/security-nextjs, .github/skills/security-nextjs and .opencode/skills/security-nextjs in your project.
What does Security Nextjs need to run?
Going by SKILL.md and its folder, Security Nextjs needs a shell for the scripts in its folder, the command-line tools its instructions call (rg) and credentials named NEXT_PUBLIC_API_KEY, NEXT_PUBLIC_STRIPE_SECRET_KEY, STRIPE_SECRET_KEY and API_KEY. Our summary lists: A Bash shell; A credential in NEXT_PUBLIC_API_KEY; A credential in NEXT_PUBLIC_STRIPE_SECRET_KEY.
Does Security Nextjs 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 Security Nextjs safe to install?
Our automated static check of SKILL.md found notes only (mentions a .env file), nothing it rates as a warning. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.
What licence does Security Nextjs use?
No licence was found for Security Nextjs or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Security Nextjs use?
About 1.5k tokens (SKILL.md is roughly 6.1k 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 Security Nextjs?
Skills that share tags, products or a category with Security Nextjs: Vercel Security Basics (jeremylongshore/tons-of-skills-marketplace, 2.8k stars), Security Baseline (rampstackco/claude-skills, 940 stars), Discover Security (rand/cc-polymath, 181 stars) and Secure Coding (techygarg/lattice, 198 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Security Nextjs?
IgorWarzocha (a GitHub user) maintains it in IgorWarzocha/Opencode-Workflows, which has 122 GitHub stars. The repository holds 35 skills in this directory. The repository was last updated on February 4, 2026.
Source: IgorWarzocha/Opencode-Workflows on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.