What is build-page-layout?

A procedure for building Angular page layouts with a collapsible header, optional subheader, content area, footer, and tabs. Angular is a framework for building web applications.

Use it to create pages in an existing NX monorepo or a standalone Angular app, with headers, filters, tabs, floating action bars, or flexible column layouts.

It provides a consistent way to decide the page structure and the correct reusable layout component before implementation.

How SAP/fundamental-ngx configures Claude Code

About the project

Fundamental Library for Angular is an SAP-maintained Angular component library implementing SAP's design system and wrapping UI5 Web Components. Angular developers use its typed UI components and higher-level composites to build SAP-style web interfaces. Catalogue entries provide skills, agents, instructions, and a rule for working with the library.

SAP/fundamental-ngx · 294 stars · on GitHub · sap.github.io

Reuse

Borrowing it

Nothing to install: this file belongs to SAP/fundamental-ngx. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/SAP/fundamental-ngx/main/.claude/skills/build-page-layout/SKILL.md

Clone the repo

git clone --depth 1 https://github.com/SAP/fundamental-ngx

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/skills/sap/fundamental-ngx/build-page-layout/github.svg)](https://agentmods.dev/skills/sap/fundamental-ngx/build-page-layout)

Your own site

<a href="https://agentmods.dev/skills/sap/fundamental-ngx/build-page-layout"><img src="https://agentmods.dev/badge/skills/sap/fundamental-ngx/build-page-layout/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/skills/sap/fundamental-ngx/build-page-layout"><img src="https://agentmods.dev/badge/skills/sap/fundamental-ngx/build-page-layout.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 34 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 3,670 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits

NVIDIA SkillSpector warn 7 Sept 2026

SkillSpector: 1 finding, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

high Memory Poisoning · line 172
Skill manipulates agent memory, state, or stored context. Memory corruption can alter personality, override safety rules, or cause unpredictable behavior.

Fix: Protect agent memory and state from modification by untrusted content. Use read-only memory for critical instructions and validate all state changes.

How audits are shown

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00034	$0.03670
Opus 5	$0.00017	$0.01835
Sonnet 5	$0.00007	$0.00734
Haiku 4.5	$0.00003	$0.00367

Measured 10d ago against content hash 00efbd1c366b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

build-page-layout scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude/skills/build-page-layout/SKILL.md · 338 lines

How it starts

The opening of the file, as written. The whole thing — 338 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Build Page Layout: $ARGUMENTS

If $ARGUMENTS is empty, ask the user: (1) what this page displays, (2) whether it needs tabs, a collapsible subheader, or a floating footer.

Phase 1: Determine Scope

Parse from $ARGUMENTS or ask:

Project type: nx (existing NX monorepo library/app) | standalone (fresh Angular CLI app — needs full setup)
Page name (PascalCase, e.g., ProductDetail, OrderList)
Base component: fd-dynamic-page (core, sufficient for most cases) | fdp-dynamic-page (platform — needed only if using fdp-icon-tab-bar or the tabChange output event)
Sections needed (check all that apply):
- header — title, subtitle, breadcrumb, global/layout actions (default: yes)
- subheader — collapsible section below the header with metadata or filters
- tabs — multiple content sections, each on its own tab
- footer — floating action bar (Save / Cancel buttons)
- fcl — page is a column inside fd-flexible-column-layout
Header actions: global actions (left-aligned toolbar) and/or layout actions (right-aligned)

Default to fd-dynamic-page with header + one content area unless the user specifies otherwise.

Standalone app setup (skip for NX projects)

If project type is standalone, run these steps before generating the component:

# 1. Create the app (--standalone is accepted but is the default since Angular 19, so it's a no-op)
ng new <app-name> --routing=true --style=scss --skip-git --package-manager=npm

# 2. Resolve the exact @fundamental-ngx version and fundamental-styles peer version first
npm show @fundamental-ngx/core version          # → e.g. 0.62.2
npm show @fundamental-ngx/core peerDependencies  # → check fundamental-styles exact pin

# 3. Install @fundamental-ngx and peer deps (--legacy-peer-deps is required to resolve Angular CDK peer conflicts)
cd <app-name>
npm install --legacy-peer-deps \
  @fundamental-ngx/core@<version> \
  @fundamental-ngx/cdk@<version> \
  @fundamental-ngx/i18n@<version> \
  fundamental-styles@<peer-version> \
  "@angular/cdk@^<angular-major>.0.0" \
  @sap-theming/theming-base-content

Read the full file on GitHub · 338 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

10d ago First seen · 338 lines · 34 tokens per session scan A 00efbd1c366b

Subscribe to this mod's changes

build-page-layout is a skill published in the GitHub repository SAP/fundamental-ngx (294 stars, last pushed today), licensed Apache-2.0. It adds 34 tokens to every session and 3,670 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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fundamental-ngx: Skill for Claude Code