DEDUPEDWhat do you want to do?
3 use cases
-
Brief yourself on a person before a meeting
Ask for anyone's last 30 days across social posts, videos, GitHub and prediction markets in one brief.
View prompt
Use mvanhorn/last30days-skill to research <person> over the last 30 days. Give me five bullet points on what they are doing now, each with the source type and engagement count, and flag anything older than 30 days.
-
Check a month of trader sentiment on a ticker
Run /last30days on a stock or crypto ticker to pull StockTwits, Reddit and Polymarket signals into one read.
View prompt
Use mvanhorn/last30days-skill on <ticker> for the last 30 days. Summarise the bull case, the bear case and any Polymarket odds, each with engagement counts, and clearly separate opinions from facts.
-
Spot what is exploding in a topic before it peaks
Ask an open question and the skill switches to discovery mode, sweeping fast-moving sources for rising topics.
View prompt
Use mvanhorn/last30days-skill in discovery mode for <field>. Return the 5 fastest rising topics with one supporting post count each, then run a full 30 day brief on the top one.
Quick start with Last30 Days Skill
- Check you have what it needs: Claude Code, Codex, Cursor, Copilot, Gemini CLI or another Agent Skills host; Optional keys or sessions for extra sources such as X, YouTube and TikTok.
- Open mvanhorn/last30days-skill on GitHub and read the README and license.
- In Claude Code run
/plugin marketplace add mvanhorn/last30days-skillthen/plugin install last30days - For Codex, Cursor, Copilot or Gemini CLI run
npx skills add mvanhorn/last30days-skill -g - Run /last30days followed by the person's name
- Run the setup wizard once if you want X, YouTube and other sources added
These steps come from our top use case, Brief yourself on a person before a meeting, which also has a copy-paste agent prompt.
Use this in your AI agent
Ask your agent
Using the Deduped MCP, get the setup steps for mvanhorn/last30days-skill
Add Deduped to Claude Code once
claude mcp add --transport http deduped https://dedupedai.com/mcp
Every Monday: the 5 hottest repos and exactly how to use them. Free, one email a week, unsubscribe anytime.
Get them freeAbout this repo
- Who it is forAnyone who needs the last month's real conversation on a person, company, ticker or trend before a meeting, a trade idea or a launch.
- Why it is hot65k stars, picked up by one AI source we track
- LanguagePython
- Sourcegithub.com/mvanhorn/last30days-skill · Back to Hot repos
Requirements
- Claude Code, Codex, Cursor, Copilot, Gemini CLI or another Agent Skills host
- Optional keys or sessions for extra sources such as X, YouTube and TikTok
Add this badge to your README
Maintain Last30 Days Skill? Show readers where to find these use cases. 
Markdown
[](https://dedupedai.com/use-cases/mvanhorn-last30days-skill/?utm_source=github&utm_medium=badge&utm_campaign=mvanhorn-last30days-skill)
HTML
<a href="https://dedupedai.com/use-cases/mvanhorn-last30days-skill/?utm_source=github&utm_medium=badge&utm_campaign=mvanhorn-last30days-skill"><img src="https://dedupedai.com/badge/mvanhorn/last30days-skill.svg" alt="Use cases on Deduped" height="20"></a>
A static image, no tracking script. About the badge
Questions about Last30 Days Skill
What is Last30 Days Skill?
/last30days is an agent skill that researches any topic across Reddit, X, YouTube, Hacker News, Polymarket, GitHub and many other sources in parallel, scores results by real engagement such as upvotes, likes and prediction market money, and has the agent write one brief on what happened in the last 30 days. Reddit, HN, Polymarket and GitHub work with zero config; a setup wizard unlocks more sources. It is an open-source project on GitHub: https://github.com/mvanhorn/last30days-skill.
Who is Last30 Days Skill for?
Anyone who needs the last month's real conversation on a person, company, ticker or trend before a meeting, a trade idea or a launch.
What can I do with Last30 Days Skill?
3 use cases so far, for example: Brief yourself on a person before a meeting; Check a month of trader sentiment on a ticker; Spot what is exploding in a topic before it peaks. Each has steps and a copy-paste agent prompt.
What do I need to run Last30 Days Skill?
Claude Code, Codex, Cursor, Copilot, Gemini CLI or another Agent Skills host; Optional keys or sessions for extra sources such as X, YouTube and TikTok.
What are alternatives to Last30 Days Skill?
Other hot AI repos in Research: Scientific Agent Skills, Trustworthy Agent Simulation, Kaas, By2 KB, Lecture to Notes.
Is Last30 Days Skill safe to run?
Deduped does not own, audit or vouch for it. Read the README and license, run it on your own systems first and review every command before you run it.