ClaudSkills / Engineering / engineering-misc

Castai Rate Limits

Q: What is a Claude Code skill and how does the Castai Rate Limits skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Castai Rate Limits is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Engineering · Sub-category: engineering-misc · Last updated: 2026-05-21

Handle CAST AI API rate limits with backoff and request queuing. Use when hitting 429 errors, optimizing API call patterns, or implementing rate-aware batch operations. Trigger with phrases like "cast ai rate limit", "cast ai 429", "cast ai throttle", "cast ai API limits".

About this skill (catalog notes)

Castai Rate Limits includes a dedicated installation section; pricing or quota commentary; at least one code block. The SKILL.md is on the shorter side at about 553 words.

License: MIT
Original author: Jeremy Longshore <[email protected]>
Indexed lastmod: 2026-05-21
Catalog position: Engineering · engineering-misc
Indexed related skills: 10

How Castai Rate Limits fits the catalog

Castai Rate Limits sits in the Engineering category under the engineering-misc sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

What this skill does

Castai Rate Limits is a community-contributed Claude Code skill in the engineering-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/castai-rate-limits/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when hitting 429 errors, optimizing API call patterns, or implementing rate-aware batch operations. Trigger with phrases like "cast ai rate limit", "cast ai 429", "cast ai throttle", "cast ai API limits".

Who uses this skill

The Castai Rate Limits Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 116,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/castai-rate-limits
curl -L https://claudskills.com/skills/castai-rate-limits/SKILL.md \
  -o ~/.claude/skills/castai-rate-limits/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/castai-rate-limits/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/castai-rate-limits/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\castai-rate-limits\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Castai Rate Limits Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/castai-rate-limits/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Castai Rate Limits skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Castai Rate Limits skill?

Use Castai Rate Limits when your Claude Code task falls under the Engineering category — specifically in the engineering misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Castai Rate Limits" or describe the task and let Claude pick). Browse related skills at /category/engineering/.

What is a Claude Code skill and how does the Castai Rate Limits skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Castai Rate Limits is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/sindresorhus/p-queue
License: MIT
Author: Jeremy Longshore <[email protected]>

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

Jeremy Longshore <[email protected]>. (2026). Castai Rate Limits [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/castai-rate-limits/

BibTeX

@misc{castai-rate-limits-2026,
  author    = {Jeremy Longshore <[email protected]>},
  title     = {Castai Rate Limits [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/castai-rate-limits/}
}

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