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vercel/next.js/.agents/skills/write-guide/SKILL.md

write-guide

Generates technical guides that teach real-world use cases through progressive examples. **Auto-activation:** User asks to write, create, or draft a guide or tutorial. Also use when converting feature documentation, API references, or skill knowledge into step-by-step learning content. **Input sources:** Feature skills, API documentation, existing code examples, or user-provided specifications. **Output type:** A markdown guide with YAML frontmatter, introduction, 2-4 progressive steps, and next

Source repository stars
141,364
Declared platforms
0
Static risk flags
0
Last source update
2026-08-05
Source checked
2026-08-05

Decision brief

What it does—and where it fits

Generates technical guides that teach real-world use cases through progressive examples. **Auto-activation:** User asks to write, create, or draft a guide or tutorial.

Best for

  • Also use when converting feature documentation, API references, or skill knowledge into step-by-step learning content.

Not for

  • Tasks that require unconfirmed production actions or broad system permissions.
  • Environments where the pinned source and install steps cannot be inspected.

Compatibility matrix

Platform support, with evidence labels

PlatformStatusEvidenceWhat to check
CodexNot declaredNo explicit evidencePortability before use
Claude CodeNot declaredNo explicit evidencePortability before use
CursorNot declaredNo explicit evidencePortability before use
Gemini CLINot declaredNo explicit evidencePortability before use
Open the compatibility checker

Installation

Inspect first. Install second.

The source command is displayed only when detected. A safe inspection prompt is always available so your agent can explain every action before execution.

Source-detected install commandSource
npx skills add https://github.com/vercel/next.js --skill ".agents/skills/write-guide"
Safe inspection promptEditorial

Inspect the Agent Skill "write-guide" from https://github.com/vercel/next.js/blob/bcea67d4e96fbaf8c51f50951e497724d2a02cfb/.agents/skills/write-guide/SKILL.md at commit bcea67d4e96fbaf8c51f50951e497724d2a02cfb. List every install step, command, network request, credential, file read/write, external action, and rollback step. Explain whether it fits my task. Do not install or execute anything until I approve.

Workflow

What the source asks the agent to do

  1. 01

    Step 1: {Action-oriented title}

    {Brief context, 1-2 sentences.}

    {Brief context, 1-2 sentences.}{Introduce friction: warning, limitation, or constraint.}{Resolution: explain the choice, apply the fix.}
  2. 02

    Step 2: {Action-oriented title}

    {Same pattern: context → code → explain → friction → resolution → proof.}

    {Same pattern: context → code → explain → friction → resolution → proof.}
  3. 03

    Step 3: {Action-oriented title}

    Review the “Step 3: {Action-oriented title}” section in the pinned source before continuing.

    Review and apply the “Step 3: {Action-oriented title}” source section.
  4. 04

    Workflow

    1. Research: Check available skills for relevant features. Read existing docs for context and linking opportunities. 2. Plan: Outline sections. Verify scope (one problem, 2-4 steps). Each step needs a friction point and resolution. 3. Write: Follow the template above. Apply the…

    Research: Check available skills for relevant features. Read existing docs for context and linking opportunities.Plan: Outline sections. Verify scope (one problem, 2-4 steps). Each step needs a friction point and resolution.Write: Follow the template above. Apply the rules below.
  5. 05

    Goal

    Produce a technical guide that teaches a real-world use case through progressive examples. Concepts are introduced only when the reader needs them.

    Produce a technical guide that teaches a real-world use case through progressive examples. Concepts are introduced only when the reader needs them.Each guide solves one specific problem. Not a category of problems. If the outline has 5+ steps or covers multiple approaches, split it.

Permission review

Static risk signals and limitations

No configured static risk pattern was detected

This is not proof of safety. Runtime behavior, indirect dependencies, and hidden external systems are outside the static scan.

Evidence record

Why each signal appears

EvidenceSourceComputedTestedEditorial
SignalValueEvidence typeMeaning
Quality score91/100ComputedDocumentation, specificity, maintenance, and trust rules
Repository stars141,364SourceRepository attention, not individual Skill quality
Compatibility0 platformsSourceDeclared in the catalog source record
Usage guideautomated source guideEditorialGenerated or reviewed according to the visible evidence level

Pinned source

Provenance and original SKILL.md

Repository
vercel/next.js
Skill path
.agents/skills/write-guide/SKILL.md
Commit
bcea67d4e96fbaf8c51f50951e497724d2a02cfb
License
MIT
Collected
2026-08-05
Default branch
canary
View the original SKILL.md

Writing Guides

Goal

Produce a technical guide that teaches a real-world use case through progressive examples. Concepts are introduced only when the reader needs them.

Each guide solves one specific problem. Not a category of problems. If the outline has 5+ steps or covers multiple approaches, split it.

Structure

Every guide follows this arc: introduction, example setup, 2-5 progressive steps, next steps.

Each step follows this loop: working code → new requirement → friction → explanation → resolution → observable proof.

Sections: introduction (no heading, 2 paragraphs max), ## Example (what we're building + source link), ### Step N (action-oriented titles, 2-4 steps), ## Next steps (summary + related links).

Headings should tell a story on their own. If readers only saw the headings, they'd understand the guide's takeaway.

Template

---
title: {Action-oriented, e.g., "Building X" or "How to Y"}
description: {One sentence}
nav_title: {Short title for navigation}
---

{What the reader will accomplish and why it matters. The friction and how this approach resolves it. 2 paragraphs max.}

## Example

As an example, we'll build {what we're building}.

We'll start with {step 1}, then {step 2}, and {step 3}.

{Source code link.}

### Step 1: {Action-oriented title}

{Brief context, 1-2 sentences.}

```tsx filename="path/to/file.tsx"
// Minimal working code
```

{Explain what happens.}

{Introduce friction: warning, limitation, or constraint.}

{Resolution: explain the choice, apply the fix.}

{Verify the fix with observable proof.}

### Step 2: {Action-oriented title}

{Same pattern: context → code → explain → friction → resolution → proof.}

### Step 3: {Action-oriented title}

{Same pattern.}

## Next steps

You now know how to {summary}.

Next, learn how to:

- [Related guide 1]()
- [Related guide 2]()

Workflow

  1. Research: Check available skills for relevant features. Read existing docs for context and linking opportunities.
  2. Plan: Outline sections. Verify scope (one problem, 2-4 steps). Each step needs a friction point and resolution.
  3. Write: Follow the template above. Apply the rules below.
  4. Review: Re-read the rules, verify, then present.

Rules

  1. Progressive disclosure. Start with the smallest working example. Introduce complexity only when the example breaks. Name concepts at the moment of resolution, after the reader has felt the problem. Full loop: working → new requirement → something breaks → explain why → name the fix → apply → verify with proof → move on.
  2. Show problems visually. Console errors, terminal output, build warnings, slow-loading pages. "If we refresh the page, we can see the component blocks the response."
  3. Verify resolutions with observable proof. Before/after comparisons, browser reloads, terminal output. "If we refresh the page again, we can see it loads instantly."
  4. One friction point per step. If a step has multiple friction points, split it.
  5. Minimal code blocks. Only the code needed for the current step. Collapse unchanged functions with function Header() {}.
  6. No em dashes. Use periods, commas, or parentheses instead.
  7. Mechanical, observable language. Describe what happens, not how it feels.
  8. No selling, justifying, or comparing. No "the best way," no historical context, no framework comparisons.
Don'tDo
"creates friction in the pipeline""blocks the response"
"needs dynamic information""depends on request-time data"
"requires dynamic processing""output can't be known ahead of time"
"The component blocks the response — causing delays""The component blocks the response. This causes delays."
  1. Bridge new framework terms with legacy or generic vocabulary in description and intro. Guides win or lose SERPs on the colloquial query (e.g. "next js form submission", "next js api endpoint", "next js error page"), not on the framework's preferred noun. When the guide covers a renamed or differentiated concept, include one synonym (Pages-era term, REST/web term, or industry-standard label) in the frontmatter description and once in the introduction. Fold into prose. No separate "Synonyms" or "Also known as" section.
Don'tDo
"Learn how to use Route Handlers""Build API endpoints (formerly API Routes) with Route Handlers"
"Learn how to mutate data with Server Functions""Submit forms and update data with Server Functions, the App Router approach to form posts and API mutations"

References

Read these guides in docs/01-app/02-guides/ before writing. They demonstrate the patterns above.

  • public-static-pages.mdx — intro → example → 3 progressive steps → next steps. Concepts named at point of resolution. Problems shown with build output.
  • forms.mdx — progressive feature building without explicit "Step" labels. Each section adds one capability.

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