Last30days Skill
- 54.2k repo stars
- Updated July 26, 2026
- mvanhorn/last30days-skill
last30days is a Claude Code research plugin that searches Reddit, X, YouTube, TikTok, HN, and Polymarket for the last 30 days and synthesizes a grounded brief.
About
last30days is a Claude Code plugin (and Agent Skill) that researches what people are saying about any topic over the past 30 days across Reddit, X, YouTube, TikTok, Hacker News, Polymarket, GitHub, and the web, then has an agent judge synthesize one grounded brief. Developers reach for it when model training data is stale and they need recent signal before a meeting, sales call, content plan, or new build. It scores results by real engagement (upvotes, likes, transcripts, market odds) rather than editor rankings. Reddit, HN, Polymarket, and GitHub work with zero config; a setup wizard unlocks X, YouTube, and TikTok with optional keys.
- Searches Reddit, X, YouTube, TikTok, HN, Polymarket, and GitHub in parallel
- An AI agent judge synthesizes sources into one grounded brief
- Zero config for Reddit/HN/Polymarket/GitHub; wizard unlocks X/YouTube/TikTok
- Installs via Claude Code marketplace or `npx skills add` across 50+ hosts
Last30days Skill by the numbers
- Data as of Jul 28, 2026 (Skillselion catalog sync)
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| repo stars | ★ 54.2k |
|---|---|
| Last updated | July 26, 2026 |
| Repository | mvanhorn/last30days-skill ↗ |
How do I learn what people are saying right now about a topic instead of relying on months-old training data or scattered manual searches?
Research what people are saying about any topic across Reddit, X, YouTube, TikTok, HN, Polymarket, and the web over the last 30 days into one cited briefing.
Who is it for?
Developers and product engineers doing trend research, competitive intelligence, or pre-build discovery who work in Claude Code or an Agent Skills host.
Skip if: Archival research older than 30 days, or work that needs proprietary internal data rather than public social and web signals.
What you get
Returns a synthesized multi-source briefing scored by real engagement, with citations across the platforms it searched.
- A cited multi-source briefing on the topic
- Optional saved reports
By the numbers
- Searches 7+ named sources (Reddit, X, YouTube, TikTok, HN, Polymarket, GitHub)
- Installs across 50+ Agent Skills hosts
last30days-skill capabilities & compatibility
Free with zero config for Reddit/HN/Polymarket/GitHub; optional keys unlock X, YouTube, and TikTok.
- Capabilities
- deep research · social listening · trend research · web search · competitive intelligence
- Use cases
- research · web search · web scraping
- Runs
- Runs locally
- Pricing
- Freemium
Plugins in this marketplace
1 plugin - install individually after you add the marketplace.
Recommended Marketplaces
FAQ
Do I need API keys?
No. Reddit, HN, Polymarket, and GitHub work immediately with zero config; a setup wizard unlocks X, YouTube, TikTok, and more with optional keys.
How do I install it on Claude Code?
Run `/plugin marketplace add mvanhorn/Last30days Skill` then `/plugin install last30days`. It auto-updates via the marketplace.
What agents can run it?
Claude Code, plus Codex, Cursor, Copilot, Gemini CLI, and any of 50+ Agent Skills hosts via `npx skills add`.