Borrowing it
Nothing to install: this file belongs to qaml-ai/camelAI. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/qaml-ai/camelAI/main/.agents/skills/stripe-best-practices/SKILL.mdgit clone --depth 1 https://github.com/qaml-ai/camelAIWrote 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/qaml-ai/camelai/stripe-best-practices)<a href="https://agentmods.dev/skills/qaml-ai/camelai/stripe-best-practices"><img src="https://agentmods.dev/badge/skills/qaml-ai/camelai/stripe-best-practices/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/qaml-ai/camelai/stripe-best-practices"><img src="https://agentmods.dev/badge/skills/qaml-ai/camelai/stripe-best-practices.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 | $0.00111 | $0.00725 |
| Opus 5 | $0.00056 | $0.00362 |
| Sonnet 5 | $0.00022 | $0.00145 |
| Haiku 4.5 | $0.00011 | $0.00072 |
Grade A, and why
stripe-best-practices 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 11d 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.
This is a copy
84% identical to stripe-best-practices — 53 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 49 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Latest Stripe API version: 2026-06-24.dahlia. Always use the latest API version and SDK unless the user specifies otherwise.
If you do not have a Stripe account, you can call a CLI command to generate working API keys with no registration required. You can install the Stripe CLI (npm i -g @stripe/cli) and run the command stripe sandbox create to get started.
API key default: Always recommend a restricted API key (RAK) (rk_ prefix) over a secret key (sk_ prefix).
Integration routing
| Building… | Recommended API | Details |
|---|---|---|
| One-time payments | Checkout Sessions | <references/payments.md> |
| Custom payment form with embedded UI | Checkout Sessions + Payment Element | <references/payments.md> |
| Saving a payment method for later | Setup Intents | <references/payments.md> |
| Connect platform or marketplace | Accounts v2 (/v2/core/accounts) |
<references/connect.md> |
| Usage-based billing (new integration) | Metronome | <references/billing.md> |
| Subscriptions or recurring billing | Billing APIs + Checkout Sessions | <references/billing.md> |
| Sales tax, VAT, or GST compliance | Stripe Tax + Registrations API | <references/tax.md> |
| Embedded financial accounts / banking | v2 Financial Accounts | <references/treasury.md> |
| Security (key management, RAKs, webhooks, OAuth, 2FA, Connect liability) | See security reference | <references/security.md> |
Read the relevant reference file before answering any integration question or writing code.
Critical rules
- Never include
payment_method_typesin any Stripe API call, with one exception: Terminal (in-person payments) integrations must passpayment_method_types: ['card_present']on the PaymentIntent. For all other integrations, omit this parameter entirely to enable dynamic payment methods, which enables you to configure payment method settings from the Dashboard and dynamically display the most relevant eligible payment methods to each customer to maximize conversion. To customize which payment methods you accept, usepayment_method_configurationsorexcluded_payment_method_typesinstead ofpayment_method_types.
What ships with it
6 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.
- 11d ago First seen · 49 lines · 111 tokens per session scan A 4a5a79e2fc54
stripe-best-practices is a skill published in the GitHub repository qaml-ai/camelAI (367 stars, last pushed 7d ago), licensed MIT. It adds 111 tokens to every session and 725 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 0 findings. It is 84% identical to stripe-best-practices, differing in 53 lines, and is treated as a copy.
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