Eventyay is an open-source platform for managing events, including ticket sales and registration, speaker submissions, session schedules, videos, check-ins, badges, exhibitions, and organiser administration. Event organisers use it to run both in-person and online event workflows.
Borrowing it
Nothing to install: this file belongs to fossasia/eventyay. 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/fossasia/eventyay/dev/.agents/skills/upgrade-stripe/SKILL.mdgit clone --depth 1 https://github.com/fossasia/eventyayWrote 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/fossasia/eventyay/upgrade-stripe)<a href="https://agentmods.dev/skills/fossasia/eventyay/upgrade-stripe"><img src="https://agentmods.dev/badge/skills/fossasia/eventyay/upgrade-stripe/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/fossasia/eventyay/upgrade-stripe"><img src="https://agentmods.dev/badge/skills/fossasia/eventyay/upgrade-stripe.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 | $0.00026 | $0.02087 |
| Opus 5.5 | $0.00010 | $0.00835 |
| Sonnet 5.5 | $0.00005 | $0.00417 |
| Haiku 4.5 | $0.00003 | $0.00209 |
Grade A, and why
upgrade-stripe scanned grade A with 1 finding 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 21d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
For SDKs that support explicit API version overrides, use the selected target in client configuration and per-request overrides. Use it in curl `Stripe-Version` test headers, too. Replace bundled API versions shown in th How it starts
The opening of the file, as written. The whole thing — 200 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Upgrading Stripe Versions
Choose a target API version
If the user specifies a target API version, use it. Otherwise, look up the current version on docs.stripe.com with any documentation or web tool available to you, for example stripe docs /api/versioning with the Stripe CLI. The API versioning page states it in the sentence that begins “The current version is”.
Bundled fallback API version: 2026-08-26.dahlia. This value is only a snapshot from the last time this skill was generated, on 2026-09-28. Version identifiers start with their release date in YYYY-MM-DD format and new stable versions are released monthly, so a fallback version dated more than a month ago is probably stale. Use it only when you can’t reach docs.stripe.com. Never guess about a newer version number.
Before making changes, compare the target with each API version the integration pins: client configuration, per-request overrides, and webhook endpoints. Unless the user explicitly asks for it, don’t move any pin to an older version or a stable pin to a preview version. If a pin already matches the target, report it as unchanged. State the selected target and its source. If live verification fails or is unavailable, say that the latest version remains unverified, and don’t claim the integration is on the latest version.
When reviewing webhook endpoints and event destinations, distinguish snapshot events from thin events. Thin event payloads are unversioned, so they don’t need to be upgraded when you change your API version. API calls that retrieve the full event or related resource remain versioned.
For SDKs that support explicit API version overrides, use the selected target in client configuration and per-request overrides. Use it in curl Stripe-Version test headers, too. Replace bundled API versions shown in those examples with the selected target before copying or running them. For Java, Go, and .NET, select an SDK release that targets the selected API version instead of overriding the SDK’s fixed version. Preview targets need the matching beta SDK release in every language; see SDK versioning.
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.
- 21d ago First seen · 200 lines · 26 tokens per session scan A 3a4cf79f0de3
upgrade-stripe is a skill published in the GitHub repository fossasia/eventyay (1,710 stars, last pushed today), licensed Apache-2.0. It adds 26 tokens to every session and 2,087 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-29.
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