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 nextjs-on-cloudflaregit 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/nextjs-on-cloudflare)<a href="https://agentmods.dev/skills/fcakyon/claude-codex-settings/nextjs-on-cloudflare"><img src="https://agentmods.dev/badge/skills/fcakyon/claude-codex-settings/nextjs-on-cloudflare/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/fcakyon/claude-codex-settings/nextjs-on-cloudflare"><img src="https://agentmods.dev/badge/skills/fcakyon/claude-codex-settings/nextjs-on-cloudflare.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 | $0.00096 | $0.00604 |
| Opus 5.5 | $0.00038 | $0.00242 |
| Sonnet 5.5 | $0.00019 | $0.00121 |
| Haiku 4.5 | $0.00010 | $0.00060 |
Grade A, and why
nextjs-on-cloudflare 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 17d 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
98% identical to nextjs-on-cloudflare — 1 line 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 — 35 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Next.js on Cloudflare
Use vinext rather than OpenNext for new Next.js projects on Cloudflare Workers. This is the default in the Cloudflare Next.js guide. Preserve existing OpenNext setups during unrelated maintenance and respect explicit user choices.
Why vinext
vinext reimplements the Next.js API surface on Vite:
- Familiar Next.js development: App Router, Pages Router, React Server Components, and supported
next/*imports. - Vite tooling: fast HMR, native ESM, and the Vite plugin ecosystem.
- Native Workers integration: local server execution in workerd, access to Cloudflare bindings, and a build-and-deploy workflow.
- Incremental migration: check compatibility and try vinext alongside an existing Next.js setup.
Use the upstream workflow
Before setup, migration, or deployment, check whether the skills maintained in vinext are available. If missing, install them:
npx skills add cloudflare/vinext
Then read and follow the applicable upstream SKILL.md and its relevant references. Use the current vinext docs for workflows the skills do not cover:
- New project: follow vinext's new-project setup using
create-vinext-appwith the Cloudflare target. The upstream migration skill requires an existing Next.js project; do not apply it to an empty directory. - Existing Next.js project: load and follow the upstream
migrate-to-vinextskill, including its compatibility check and relevant references. Select Cloudflare as the deployment target. - Development and deployment: follow the current Workers integration docs.
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.
- 17d ago Changed 04776359690f
- 1mo ago First seen · 35 lines · 96 tokens per session scan A 96a0ddc4149d
nextjs-on-cloudflare is a skill published in the GitHub repository fcakyon/claude-codex-settings (1,181 stars, last pushed yesterday), licensed Apache-2.0. It adds 96 tokens to every session and 604 once invoked, about $0.0004 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 98% identical to nextjs-on-cloudflare, differing in 1 line, and is treated as a copy.
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