A guide to Angular server-side rendering, which creates page HTML on a server before the browser takes over, plus hydration, which makes that HTML interactive.

Use it to enable hydration, cache server-fetched data for the browser, guard browser APIs, and choose rendering modes per route.

It helps avoid browser-only code errors, repeated data requests, and incorrect rendering choices for static, dynamic, or client-only pages.

angular-ssr — Skill for Claude Code and Codex by HoangNguyen0403

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent

npx skills add HoangNguyen0403/agent-skills-standard --skill angular-ssr

Clone the repo

git clone --depth 1 https://github.com/HoangNguyen0403/agent-skills-standard

Made for: Claude Code, Codex.

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/hoangnguyen0403/agent-skills-standard/angular-ssr/github.svg)](https://agentmods.dev/skills/hoangnguyen0403/agent-skills-standard/angular-ssr)

Your own site

<a href="https://agentmods.dev/skills/hoangnguyen0403/agent-skills-standard/angular-ssr"><img src="https://agentmods.dev/badge/skills/hoangnguyen0403/agent-skills-standard/angular-ssr/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/hoangnguyen0403/agent-skills-standard/angular-ssr"><img src="https://agentmods.dev/badge/skills/hoangnguyen0403/agent-skills-standard/angular-ssr.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 42 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 490 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 pass 7 Sept 2026

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	$0.00042	$0.00490
Opus 5	$0.00021	$0.00245
Sonnet 5	$0.00008	$0.00098
Haiku 4.5	$0.00004	$0.00049

Measured 9d ago against content hash 29d4c08b91cb, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

angular-ssr 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 9d 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.

skills/angular/angular-ssr/SKILL.md · 58 lines

What it actually says

SSR (Server-Side Rendering)

Priority: P2 (MEDIUM)

1. Enable Hydration

Run ng add @angular/ssr.
Add provideClientHydration(withEventReplay()) to app.config.ts providers.

See hydration examples for app config and hydration setup.

2. Guard Browser-Only Code

Use afterNextRender(() => { /* window access */ }) for one-time browser-only code.
For recurring checks, inject PLATFORM_ID and use isPlatformBrowser(platformId).

3. Prevent Double-Fetching

Use withHttpTransferCacheOptions() or manual TransferState to cache server responses for client replay.

4. Configure Render Modes (Angular 17+)

Export ServerRoute[] in app.routes.server.ts:

RenderMode.Prerender — Static HTML at build time (blogs, marketing).
RenderMode.Server — Dynamic SSR per request (user-specific pages).
RenderMode.Client — Client-only SPA (authenticated dashboards).

5. Incremental Hydration (Angular 19+)

Defer hydration with @defer (hydrate on viewport).
Triggers: viewport, interaction, idle, timer(ms), immediate, never.
Add withEventReplay() to capture user events before hydration completes.

Anti-Patterns

No direct window/document access: Use afterNextRender() or PLATFORM_ID check.
No double-fetching: Use withHttpTransferCacheOptions() or TransferState.
No SSR for auth-gated pages: Set RenderMode.Client for authenticated dashboards.

References

Hydration

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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.

9d ago First seen · 58 lines · 42 tokens per session scan A 29d4c08b91cb

Subscribe to this mod's changes

angular-ssr is a skill published in the GitHub repository HoangNguyen0403/agent-skills-standard (565 stars, last pushed 3d ago), licensed MIT. It adds 42 tokens to every session and 490 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 2026-09-03.

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