Fast Io

Q: What is a Claude Code skill and how does the Fast Io 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. Fast Io is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: General · Sub-category: general-misc · Last updated: 2026-08-11

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Security AStatic scan found no risk patternsHow grading works ›

About this skill (catalog notes)

Fast Io includes worked examples; pricing or quota commentary; at least one code block. At roughly 20,427 words the SKILL.md is on the longer end of the catalog distribution.

Source: clawdhub.com
License: MIT
Original author: satoshistackalotto
Indexed lastmod: 2026-08-11
Catalog position: General · general-misc
Indexed related skills: 10

How Fast Io fits the catalog

Fast Io sits in the General category under the general-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.

Is Fast Io safe to install?

A free static scan against the OWASP Agentic Skills Top 10 found no risk patterns in Fast Io’s SKILL.md — no data-exfiltration, prompt-injection, or unexpected-execution signatures. The full security scan is below.

Installing & verifying

Installing Fast Io writes its SKILL.md to ~/.claude/skills/fast-io/SKILL.md; Claude Code discovers it automatically on the next session — no restart flag needed. It declares no allowed-tools restriction, so it inherits your session’s existing tool access rather than narrowing it. To confirm it loaded, ask Claude to list its available skills — fast-io should appear by name.

What Fast Io needs to run

External services: The SKILL.md references pricing, quota, or rate limits — it likely calls a paid or rate-limited API. Check the source before wiring it into unattended automation.
Worked code: 1 copy-paste code block in the body.
Depth: ~20,427 words, substantial — top of the catalog distribution.

When to reach for it

There are 10 related skills in General — a two-minute scan of the alternatives usually confirms whether Fast Io is the right pick.

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.

From the source SKILL.md

Version: 1.73 Last Updated: 2026-02-18

What this skill does

Fast Io is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/fast-io/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Fast Io Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 183,000+ 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/fast-io
curl -L https://claudskills.com/skills/fast-io/SKILL.md \
  -o ~/.claude/skills/fast-io/SKILL.md

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

Skills live at ~/.claude/skills/fast-io/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\fast-io\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 Fast Io Claude Code skill?

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

What does the Fast Io 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 Fast Io skill?

Use Fast Io when your Claude Code task falls under the General category — specifically in the general 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 Fast Io" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the Fast Io 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. Fast Io is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/satoshistackalotto/skills/blob/HEAD/skills/dbalve/fast-io/SKILL.md
License: MIT
Author: satoshistackalotto
Website: https://clawdhub.com

Cite this skill

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

APA

satoshistackalotto. (2026). Fast Io [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/fast-io/

BibTeX

@misc{fast-io-2026,
  author    = {satoshistackalotto},
  title     = {Fast Io [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/fast-io/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/fast-io.svg)](https://claudskills.com/skills/fast-io/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

Security scan

Grade A · scanned 2026-08-11 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
✓ Execution
✓ Filesystem
✓ Persistence
✓ Obfuscation
✓ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/fast-io/#security)

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Browse all General skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all General skills → Top 100 skills

Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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