angular-upgrade-path

A step-by-step skill for upgrading Angular applications from versions 15 or 16 to 17 and later. It covers changes such as standalone components, newer template control flow, signals, ESLint, subscription cleanup, and change-detection settings.

In plain words
What is it for?
Use it to plan and carry out Angular upgrades, remove or reduce NgModule usage, migrate templates, replace TSLint with ESLint, adopt newer input and output patterns, and run update safety checks.
Why use it?
Older Angular versions may need several coordinated changes before an upgrade is safe. The checks help reveal the current state and guide the migration in stages.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/agenticpawan/fullstack-pilot/angular-upgrade-path
Any agent
npx skills add AgenticPawan/FullStack-Pilot --skill angular-upgrade-path
Clone the repo
git clone --depth 1 https://github.com/AgenticPawan/FullStack-Pilot

Made for: Claude Code, Codex.

Per session 71 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,889 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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.

ModelPer sessionOnce invoked
Fable 5 $0.00071 $0.01889
Opus 5 $0.00036 $0.00945
Sonnet 5 $0.00014 $0.00378
Haiku 4.5 $0.00007 $0.00189

Measured yesterday against content hash 3ee42345cb40, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

angular-upgrade-path 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 yesterday.

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.

plugins/pilot-angular/skills/angular-upgrade-path/SKILL.md · 235 lines

How it starts

The opening of the file, as written. The whole thing — 235 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Migration overview

Angular 15 (EOL)          Angular 16 (EOL)           Angular 17+
    │                          │                           │
    ├─ Run standalone           ├─ Migrate templates         ├─ Adopt signal
    │  migration schematic      │  to @if / @for             │  inputs/outputs
    │                          │                           │
    ├─ ESLint migration         ├─ Add takeUntilDestroyed    ├─ Enable OnPush
    │  (if still on TSLint)     │  to all subscriptions      │  everywhere
    │                          │                           │
    └─ ng update 15 → 16       ├─ Optional: signals          └─ Zoneless prep
                               │  developer preview          (Angular 18+ after
                               └─ ng update 16 → 17          migration completes)

Step 1 — Verify current state

ng version                    # confirm active Angular version
npx @angular/core@latest      # preview what ng update would require

Check: does angular.json still reference "standalone": false in schematics defaults?


Step 2 — Angular 15 → 16: standalone migration

Standalone components (standalone: true) remove the need for NgModule declarations. The ng generate @angular/core:standalone schematic automates 90% of this.

# Step A: convert all components/directives/pipes to standalone
ng generate @angular/core:standalone --mode=convert-to-standalone

# Step B: remove now-unnecessary NgModules (keeps modules that declare routes/providers)
ng generate @angular/core:standalone --mode=remove-modules

# Step C: bootstrap with bootstrapApplication() instead of platformBrowserDynamic()
ng generate @angular/core:standalone --mode=prune-ng-modules

Validate after each step:

ng build --configuration production   # zero errors required
npm test                              # all unit tests pass

Read the full file on GitHub · 235 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.

  1. yesterday First seen · 235 lines · 71 tokens per session scan A 3ee42345cb40

Subscribe to this mod's changes

angular-upgrade-path is a skill published in the GitHub repository AgenticPawan/FullStack-Pilot (2 stars, last pushed 1mo ago), licensed MIT. It adds 71 tokens to every session and 1,889 once invoked, about $0.0004 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 2026-08-31.

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