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.
npx skills add Lonsdale201/wp-agent-skills --skill wc-shipping-providersgit clone --depth 1 https://github.com/Lonsdale201/wp-agent-skillsWrote 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.
[](https://agentmods.dev/skills/lonsdale201/wp-agent-skills/wc-shipping-providers)<a href="https://agentmods.dev/skills/lonsdale201/wp-agent-skills/wc-shipping-providers"><img src="https://agentmods.dev/badge/skills/lonsdale201/wp-agent-skills/wc-shipping-providers/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.
<a href="https://agentmods.dev/skills/lonsdale201/wp-agent-skills/wc-shipping-providers"><img src="https://agentmods.dev/badge/skills/lonsdale201/wp-agent-skills/wc-shipping-providers.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00083 | $0.01702 |
| Opus 5 | $0.00042 | $0.00851 |
| Sonnet 5 | $0.00017 | $0.00340 |
| Haiku 4.5 | $0.00008 | $0.00170 |
Grade A, and why
wc-shipping-providers 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.
How it starts
The opening of the file, as written. The whole thing — 204 lines — stays where its author put it; the contents beside it link to each section on GitHub.
WooCommerce fulfillment shipping providers
This is the provider registry for WooCommerce's Order Fulfillments feature. It is not a shipping-rate method and does not implement label purchasing or carrier API calls.
Feature status
In WooCommerce 11.0.0, feature ID fulfillments is disabled by default and its feature UI is hidden. Classes existing on disk does not mean fulfillment UI/routes are active.
use Automattic\WooCommerce\Utilities\FeaturesUtil;
if ( ! FeaturesUtil::feature_is_enabled( 'fulfillments' ) ) {
return;
}
Do not force-enable the feature from an extension. Guard integration and provide graceful no-op behavior when it is off or the provider base class is unavailable.
Provider contract
The base class requires:
get_key(): string
get_name(): string
get_icon(): string
get_tracking_url(string $tracking_number): string
Optional methods:
get_shipping_from_countries(): array
get_shipping_to_countries(): array
can_ship_from/can_ship_to/can_ship_from_to
try_parse_tracking_number(number, from, to): ?array
An empty country list makes the base can_ship_* methods return false. Override with real ISO alpha-2 coverage when country matching matters.
Provider class
namespace MyPlugin\Fulfillment;
use Automattic\WooCommerce\Admin\Features\Fulfillments\Providers\AbstractShippingProvider;
final class ExampleCarrier extends AbstractShippingProvider {
public function get_key(): string {
return 'myplugin-example-carrier';
}
public function get_name(): string {
return 'Example Carrier';
}
public function get_icon(): string {
return plugins_url( 'assets/example-carrier.png', MYPLUGIN_FILE );
}
public function get_tracking_url( string $tracking_number ): string {
return 'https://tracking.example/parcel/' . rawurlencode( $tracking_number );
}
public function get_shipping_from_countries(): array {
return array( 'HU', 'AT', 'SK' );
}
public function get_shipping_to_countries(): array {
return array( 'HU', 'AT', 'SK', 'DE', 'CZ' );
}
public function try_parse_tracking_number(
string $tracking_number,
string $shipping_from,
string $shipping_to
): ?array {
$tracking_number = strtoupper( trim( $tracking_number ) );
if ( ! preg_match( '/^EX[A-Z0-9]{10}$/', $tracking_number ) ) {
return null;
}
return array(
'url' => $this->get_tracking_url( $tracking_number ),
'ambiguity_score' => $this->can_ship_from_to( $shipping_from, $shipping_to ) ? 95 : 70,
);
}
}
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.
- yesterday Changed · -1 lines a302d8df439d
- 9d ago First seen · 205 lines · 83 tokens per session scan A 6a6b2b1afb0c
wc-shipping-providers is a skill published in the GitHub repository Lonsdale201/wp-agent-skills (22 stars, last pushed 2d ago), licensed MIT. It adds 83 tokens to every session and 1,702 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 2026-09-03.
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