Append Only Hypercore

Q: What is a Claude Code skill and how does the Append Only Hypercore 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. Append Only Hypercore 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: integrations · Last updated: 2026-06-04

type:audit type:integration

Merkle-tree-backed append-only log for distributed audit trails. Hypercore feed creation, append entries, replicate over network, sparse access, and integration with L0 audit hash-chain. Sources: holepunchto/hypercore.

About this skill (catalog notes)

Append Only Hypercore includes explicit scope boundaries (an explicit 'when not to use' or 'out of scope' section); 5 code blocks for direct copy-paste. The SKILL.md is on the shorter side at about 417 words.

Original author: phamlongh230-lgtm
Indexed lastmod: 2026-06-04
Catalog position: General · integrations
Indexed related skills: 10

How Append Only Hypercore fits the catalog

Append Only Hypercore sits in the General category under the integrations 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

Append Only Hypercore is a community-contributed Claude Code skill in the integrations sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/append-only-hypercore/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Append Only Hypercore 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 92,000+ 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/append-only-hypercore
curl -L https://claudskills.com/skills/append-only-hypercore/SKILL.md \
  -o ~/.claude/skills/append-only-hypercore/SKILL.md

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

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

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 Append Only Hypercore Claude Code skill?

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

What does the Append Only Hypercore 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 Append Only Hypercore skill?

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

What is a Claude Code skill and how does the Append Only Hypercore 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. Append Only Hypercore 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/phamlongh230-lgtm/yamtam-engine/blob/HEAD/.claude/skills/append-only-hypercore/SKILL.md
Author: phamlongh230-lgtm

Cite this skill

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

APA

phamlongh230-lgtm. (2026). Append Only Hypercore [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/append-only-hypercore/

BibTeX

@misc{append-only-hypercore-2026,
  author    = {phamlongh230-lgtm},
  title     = {Append Only Hypercore [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/append-only-hypercore/}
}

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