claude-codex-settings is a collection of configurations and reusable extensions for Claude Code, OpenAI Codex, Cursor, and related coding tools. Developers use its skills, commands, hooks, agents, plugins, and MCP servers to shape coding-agent workflows and connect alternative model APIs. The catalogue entries are components of this collection that can be installed into supported coding tools.
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 fcakyon/claude-codex-settings --skill upgrade-stripegit clone --depth 1 https://github.com/fcakyon/claude-codex-settingsWrote 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/fcakyon/claude-codex-settings/upgrade-stripe)<a href="https://agentmods.dev/skills/fcakyon/claude-codex-settings/upgrade-stripe"><img src="https://agentmods.dev/badge/skills/fcakyon/claude-codex-settings/upgrade-stripe.svg" alt="Measured on agentmods" 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 | $0.00013 | $0.01327 |
| Opus 5 | $0.00006 | $0.00664 |
| Sonnet 5 | $0.00003 | $0.00265 |
| Haiku 4.5 | $0.00001 | $0.00133 |
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 4d 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.
curl https://api.stripe.com/v1/customers \ This is a copy
88% identical to upgrade-stripe — 44 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 — 186 lines — stays where its author put it; the contents beside it link to each section on GitHub.
The latest Stripe API version is 2026-08-26.dahlia - use this version when upgrading unless the user specifies a different target version.
Upgrading Stripe Versions
This guide covers upgrading Stripe API versions, server-side SDKs, Stripe.js, and mobile SDKs.
Understanding Stripe API Versioning
Stripe uses date-based API versions (e.g., 2026-08-26.dahlia, 2025-08-27.basil, 2024-12-18.acacia). Your account’s API version determines request/response behavior.
Types of Changes
Backward-Compatible Changes (don’t require code updates):
- New API resources
- New optional request parameters
- New properties in existing responses
- Changes to opaque string lengths (e.g., object IDs)
- New webhook event types
Breaking Changes (require code updates):
- Field renames or removals
- Behavioral modifications
- Removed endpoints or parameters
Review the API Changelog for all changes between versions.
Server-Side SDK Versioning
See SDK Version Management for details.
Dynamically-Typed Languages (Ruby, Python, PHP, Node.js)
These SDKs offer flexible version control:
Global Configuration:
import stripe
stripe.api_version = '2026-08-26.dahlia'
Stripe.api_version = '2026-08-26.dahlia'
const stripe = require('stripe')('sk_test_xxx', {
apiVersion: '2026-08-26.dahlia'
});
Per-Request Override:
stripe.Customer.create(
email="[email protected]",
stripe_version='2026-08-26.dahlia'
)
Strongly-Typed Languages (Java, Go, .NET)
These use a fixed API version matching the SDK release date. Don’t set a different API version for strongly-typed languages because response objects might not match the strong types in the SDK. Instead, update the SDK to target a new API version.
Best Practice
Always specify the API version you’re integrating against in your code instead of relying on your account’s default API version:
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.
- 4d ago First seen · 186 lines · 13 tokens per session scan A ea3ab3e670e3
upgrade-stripe is a skill published in the GitHub repository fcakyon/claude-codex-settings (1,132 stars, last pushed yesterday), licensed Apache-2.0. It adds 13 tokens to every session and 1,327 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). It is 88% identical to upgrade-stripe, differing in 44 lines, and is treated as a copy.
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