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 fluentcart-subscriptions-renewalsgit 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/fluentcart-subscriptions-renewals)<a href="https://agentmods.dev/skills/lonsdale201/wp-agent-skills/fluentcart-subscriptions-renewals"><img src="https://agentmods.dev/badge/skills/lonsdale201/wp-agent-skills/fluentcart-subscriptions-renewals/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/fluentcart-subscriptions-renewals"><img src="https://agentmods.dev/badge/skills/lonsdale201/wp-agent-skills/fluentcart-subscriptions-renewals.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00100 | $0.01261 |
| Opus 5 | $0.00050 | $0.00630 |
| Sonnet 5 | $0.00020 | $0.00252 |
| Haiku 4.5 | $0.00010 | $0.00126 |
Grade A, and why
fluentcart-subscriptions-renewals 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.
How it starts
The opening of the file, as written. The whole thing — 135 lines — stays where its author put it; the contents beside it link to each section on GitHub.
FluentCart subscriptions and renewals
Model both who creates renewal invoices and who charges them. Do not treat every recurring plan as a remote provider subscription.
Read subscription-lifecycle.md before adding access, billing, gateway, reminder, or dunning behavior.
Distinguish billing modes
The store setting chooses gateway_managed or store_managed for new subscriptions and stamps management_mode into the subscription config. Changing the store setting later must not silently change existing contracts.
| collection_method | Owner of renewal |
|---|---|
| automatic | Gateway owns recurring schedule/charge |
| manual | FluentCart creates invoices; customer pays |
| system | FluentCart creates invoices and charges a saved method off-session |
Use SubscriptionManagementMode helpers. Never infer mode only from the current global setting or from vendor_subscription_id.
Use lifecycle methods
Use Subscription methods/services for pause, resume, cancel, reactivate, payment-method changes, remote re-sync, date updates, and renewal recording. Directly changing status or next_billing_date can leave a provider subscription, scheduled invoice, system-charge action, retry state, and lifecycle hooks out of sync.
Keep recurring_total and setup/renewal amounts in integer minor units. Treat next_billing_date, expire_at, canceled_at, bill_count, and bill_times as one contract. Use FluentCart's GMT-aware DateTime utilities.
Select canonical hooks
- fluent_cart/subscription_activated: initial activation.
- fluent_cart/subscription_renewed: canonical settled renewal across billing models.
- fluent_cart/subscription_canceled, paused, resumed, reactivated, updated.
- fluent_cart/subscription_eot: reached contract term.
- fluent_cart/subscription_expired_validity: access validity expired.
- fluent_cart/subscription_period_skipped: store-managed period skip.
Use fluent_cart/renewal_paid only for a store-managed renewal invoice that transitions from unpaid to paid. It does not represent gateway-managed renewals. Do not use initial fluent_cart/order_paid_done as a renewal hook.
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.
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 · 135 lines · 100 tokens per session scan A 57cbf3d16633
fluentcart-subscriptions-renewals is a skill published in the GitHub repository Lonsdale201/wp-agent-skills (22 stars, last pushed 2d ago), licensed MIT. It adds 100 tokens to every session and 1,261 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 2026-09-03.
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