angular-third-party-scripts

A review skill for scripts loaded from outside an application, such as analytics, chat widgets, or files hosted on a content delivery network. It checks how these third-party scripts are approved, restricted, verified, and monitored.

In plain words
What is it for?
Use it to review external script tags, check for Subresource Integrity hashes, assess content-security permissions, and verify that third-party scripts have an allow-list and ongoing oversight.
Why use it?
External scripts can change or be compromised outside the application's control. The checks expose missing file verification, unclear approval rules, overly broad permissions, and lack of monitoring.

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-third-party-scripts
Any agent
npx skills add AgenticPawan/FullStack-Pilot --skill angular-third-party-scripts
Clone the repo
git clone --depth 1 https://github.com/AgenticPawan/FullStack-Pilot

Made for: Claude Code, Codex.

Per session 103 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,367 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 $0.00103 $0.01367
Opus 5 $0.00051 $0.00683
Sonnet 5 $0.00021 $0.00273
Haiku 4.5 $0.00010 $0.00137

Measured yesterday against content hash e18b1967d1f0, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

angular-third-party-scripts 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-third-party-scripts/SKILL.md · 137 lines

How it starts

The opening of the file, as written. The whole thing — 137 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Standard IDs

ID Severity What it checks
TPS-001 P0 CDN-loaded script has no Subresource Integrity (SRI) hash
TPS-002 P1 Third-party tag added with no documented allow-list/review process
TPS-003 P2 Third-party script granted broader CSP allowances than it needs
TPS-004 P2 No monitoring for a third-party script's behavior changing after approval

angular-security's CSP/nonce work (ATH/CSP checks) governs what the application's own code is allowed to do. This skill governs a different trust boundary — code the application doesn't control at all, loaded from someone else's CDN, which is a supply- chain risk closer in spirit to dependency-supply-chain than to XSS prevention.


Check A — CDN script with no SRI hash (TPS-001)

Detection

Grep index.html/dynamically-injected <script src="https://..."> tags pointing at an external CDN for a missing integrity/crossorigin attribute pair. Without SRI, if the CDN is compromised or serves a modified file (a supply-chain attack, or simply an unannounced breaking change), the browser executes whatever the CDN returns with no verification — the exact scenario SRI exists to prevent.

BAD — CDN script with no integrity check

<script src="https://cdn.example.com/analytics.js"></script>
<!-- If this CDN is compromised, the browser executes whatever it now serves, unverified. -->

GOOD — SRI hash pins the exact expected file content

<script
  src="https://cdn.example.com/analytics.js"
  integrity="sha384-oqVuAfXRKap7fdgcCY5uykM6+R9GqQ8K/uxy9rx7HNQlGYl1kPzQho1wx4JwY8wC"
  crossorigin="anonymous">
</script>
<!-- Browser refuses to execute the script if its content doesn't match this hash. -->

For a script loaded dynamically (Angular's Renderer2.createElement), set the same integrity/crossorigin attributes programmatically before appending the element.


Check B — No documented allow-list/review process (TPS-002)

Read the full file on GitHub · 137 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 · 137 lines · 103 tokens per session scan A e18b1967d1f0

Subscribe to this mod's changes

angular-third-party-scripts is a skill published in the GitHub repository AgenticPawan/FullStack-Pilot (2 stars, last pushed 1mo ago), licensed MIT. It adds 103 tokens to every session and 1,367 once invoked, about $0.0005 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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