Yes — Claude Code skills are isolated by filename, so installing both is safe. They only conflict if they share the same trigger phrase, which is rare. Read each SKILL.md before installing to confirm the trigger patterns don't collide.

Are these skills free?

Yes — every skill listed on ClaudSkills is free to install. The catalog itself is published under CC BY 4.0; per-skill SKILL.md license is set by the original author. Check each skill page's Attribution section for the upstream license.

Home › Compare › last30days vs unikit-gd-apply

last30days vs unikit-gd-apply

Q: What's the difference between last30days and unikit-gd-apply?

Both are Claude Code skills in the Science & Research category. last30days: Research what people actually say about any topic in the last 30 days. Pulls posts and engagement from Reddit, X, YouTube, TikTok, Hacker News, Polymarket, GitHub, and the web. unikit-gd-apply: Dispatch an explicit, user-dictated set of edits that spans TWO OR MORE zones of the GDD — the master spec, systems, content types, and flows — in one ordered pass. Writes nothing itself: it resolves each delta to its… Compare the side-by-side metadata and sample code on this page to pick the right one for your workflow.

Two Science & Research Claude Code skills, side by side. Pick the right skill for your workflow with a side-by-side look at metadata, sample code, and install commands.

Side-by-side

Name	last30days	unikit-gd-apply
Description	Research what people actually say about any topic in the last 30 days. Pulls posts and engagement from Reddit, X, YouTube, TikTok, Hacker News, Polymarket, GitHub, and the web.	Dispatch an explicit, user-dictated set of edits that spans TWO OR MORE zones of the GDD — the master spec, systems, content types, and flows — in one ordered pass. Writes nothing itself: it resolves each delta to its…
Category	Science & Research	Science & Research
Sub-category	science-misc	science-misc
Tags	—	—
Author	mvanhorn	NintendaDev
License	MIT	MIT
Install	`/add-skill mvanhorn-last30days-skill`	`/add-skill unikit-gd-apply`

Tag overlap

Shared —

Only in last30days —

Only in unikit-gd-apply —

Sample code from each SKILL.md

last30days

CANONICAL_ROOT="$HOME/.claude/plugins/cache/last30days-skill/last30days"
CANONICAL_LATEST=$(ls -d "$CANONICAL_ROOT"/*/ 2>/dev/null | sort -V | tail -1)
CANONICAL_LATEST="${CANONICAL_LATEST%/}"

unikit-gd-apply

1. GAME.md / roster   → /unikit-gd-spec      (content edits, and add-system for any new system a later delta needs)
2. systems            → /unikit-gd-system     (the single upstream source — always before content/flow)
3. content types      → /unikit-gd-content    (a sink of the system axis)
4. flows              → /unikit-gd-flow        (a sink of the system axis)

When to choose each

last30days — Research what people actually say about any topic in the last 30 days. Pulls posts and engagement from Reddit, X, YouTube, TikTok, Hacker News, Polymarket, GitHub, and the web.

unikit-gd-apply — Dispatch an explicit, user-dictated set of edits that spans TWO OR MORE zones of the GDD — the master spec, systems, content types, and flows — in one ordered pass. Writes nothing itself: it resolves each delta to its…

Both are free to install. If you're unsure, install both — Claude Code skills are isolated by filename and only collide if their trigger phrases overlap (rare). The richest signal is the SKILL.md body itself — open both skill pages and read the first paragraph of each.

Open last30days → Open unikit-gd-apply →

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last30days vs unikit-gd-apply

Side-by-side

Tag overlap

Sample code from each SKILL.md

last30days

unikit-gd-apply

When to choose each

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