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 › multi-model-validation vs last30days

multi-model-validation vs last30days

Q: What's the difference between multi-model-validation and last30days?

Both are Claude Code skills in the Science & Research category. multi-model-validation: Run multiple AI models in parallel for 3-5x speedup with ENFORCED performance statistics tracking. Use when validating with Grok, Gemini, GPT-5, DeepSeek, MiniMax, Kimi, GLM, or Claudish proxy for code review,… 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. 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	multi-model-validation	last30days
Description	Run multiple AI models in parallel for 3-5x speedup with ENFORCED performance statistics tracking. Use when validating with Grok, Gemini, GPT-5, DeepSeek, MiniMax, Kimi, GLM, or Claudish proxy for code review,…	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.
Category	Science & Research	Science & Research
Sub-category	math-stats	science-misc
Tags	ai:openai ai:gemini type:review	—
Author	MadAppGang	mvanhorn
License	MIT	MIT
Install	`/add-skill multi-model-validation`	`/add-skill mvanhorn-last30days-skill`

Tag overlap

Shared —

Only in multi-model-validation ai:gemini, ai:openai, type:review

Only in last30days —

Sample code from each SKILL.md

multi-model-validation

# FIRST STEP - Read preferences file
cat .claude/multimodel-team.json 2>/dev/null

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%/}"

When to choose each

multi-model-validation — Run multiple AI models in parallel for 3-5x speedup with ENFORCED performance statistics tracking. Use when validating with Grok, Gemini, GPT-5, DeepSeek, MiniMax, Kimi, GLM, or Claudish proxy for code review,…

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.

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 multi-model-validation → Open last30days →

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multi-model-validation vs last30days

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Tag overlap

Sample code from each SKILL.md

multi-model-validation

last30days

When to choose each

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