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ClaudSkills / Engineering / performance

Http Caching

Category: Engineering  ·  Sub-category: performance  ·  Last updated:
Use HTTP caching correctly with etags, max-age, and stale-while-revalidate so clients and proxies reuse responses without serving stale data. Use when responses lack cache headers, a bad deploy served stale content, or revalidation traffic is heavy.
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From the source SKILL.md

HTTP already has a caching protocol; most bugs come from using half of it. An endpoint with no Cache-Control gets cached by heuristic in ways you did not choose, and an endpoint with no-cache everywhere throws away free reuse. The job is to state freshness and validation explicitly so every layer between server and user agrees on when a response is still good.

What this skill does

Http Caching is a community-contributed Claude Code skill in the performance sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/http-caching/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when responses lack cache headers, a bad deploy served stale content, or revalidation traffic is heavy.

Who uses this skill

The Http Caching 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 158,000+ 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/http-caching
curl -L https://claudskills.com/skills/http-caching/SKILL.md \
  -o ~/.claude/skills/http-caching/SKILL.md

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

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

Telegram

📱 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.

Frequently asked questions

How do I install the Http Caching Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/http-caching/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Http Caching skill do?
Use HTTP caching correctly with etags, max-age, and stale-while-revalidate so clients and proxies reuse responses without serving stale data. Use when responses lack cache headers, a bad deploy served stale content, or revalidation traffic is heavy.
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 Http Caching skill?
Use Http Caching when your Claude Code task falls under the Engineering category — specifically in the performance 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 Http Caching" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the Http Caching 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. Http Caching 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

Cite this skill

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

APA
Amey-Thakur. (2026). Http Caching [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/http-caching/
BibTeX
@misc{http-caching-2026,
  author    = {Amey-Thakur},
  title     = {Http Caching [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/http-caching/}
}

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Security scan

Grade A · scanned 2026-07-23 — 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 ›

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

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