Shows the full workflow: research → synthesis → prompt generation Includes the actual generated prompt for a 50-second launch video Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
/last30days
A Claude Code skill that researches any topic across Reddit and X from the last 30 days, synthesizes the insights, and writes copy-paste-ready prompts for your target tool.
Installation
# Clone the repo
git clone https://github.com/mvanhorn/last30days-skill.git ~/.claude/skills/last30days
# Add your API keys
mkdir -p ~/.config/last30days
cat > ~/.config/last30days/.env << 'EOF'
OPENAI_API_KEY=sk-...
XAI_API_KEY=xai-...
EOF
chmod 600 ~/.config/last30days/.env
Usage
/last30days [topic] for [tool]
Examples:
/last30days iOS app mockups for Nano Banana Pro/last30days remotion animations for Claude Code/last30days landing page design for Figma
What It Does
- Researches - Scans Reddit and X for discussions from the last 30 days
- Synthesizes - Identifies patterns, best practices, and what actually works
- Prompts - Writes copy-paste-ready prompts in the format the research recommends
Example: Remotion Launch Video
Query: /last30days research best practices for beautiful remotion animation videos in claude code
Research Output:
The Remotion + Claude Code combination has emerged as a powerful workflow. Users consistently report that simple, clear prompts with scene-by-scene descriptions yield the best results. Key insights: iteration is essential—most "beautiful" videos come from back-and-forth refinement rather than one-shot prompts.
Then asked: "Can you make a prompt for a 50 second launch video for my /last30days skill?"
Generated Prompt:
Create a 50-second launch video for "/last30days" - a Claude Code skill that
researches any topic across Reddit and X from the last 30 days, then writes
copy-paste-ready prompts.
SCENE 1 (0-8s): The Problem
Dark background. Text fades in: "You want to create something great."
Beat. Then: "But the internet is overwhelming."
Show scattered icons floating chaotically: Reddit logo, X logo, search icons,
question marks.
Slight camera shake to convey chaos.
SCENE 2 (8-16s): The Solution Reveal
Clean wipe transition. Calm, modern gradient background (deep purple to blue).
"/last30days" types in with a terminal cursor, monospace font.
Subtitle fades in below: "Instant expertise. Real prompts."
SCENE 3 (16-28s): How It Works
Split into 3 animated steps that slide in sequentially:
1. [Reddit + X icons merge] "Scans Reddit & X from the last 30 days"
2. [Brain/lightbulb icon] "Synthesizes what actually works"
3. [Document with sparkle] "Writes prompts you can copy-paste"
Each step has a subtle bounce animation on entry.
SCENE 4 (28-40s): Live Demo Feel
Simulate a terminal. Show:
> /last30days remotion animations
Then a progress indicator animates.
Results appear: "Analyzed 28 sources..."
Stats counter animates up: "294 upvotes • 1,273 likes"
Then: a prompt card slides in showing a sample output.
SCENE 5 (40-50s): Call to Action
Zoom out slightly. Everything fades except the logo.
Text animates in: "Research any topic. Get prompts that work."
GitHub icon + "github.com/mvanhorn/last30days-skill"
Tagline: "A Claude Code Skill"
STYLE NOTES:
- Color palette: Deep purple (#1a1a2e), electric blue (#4361ee), white text
- Typography: Inter or SF Mono for code, clean sans-serif for headlines
- Transitions: Smooth eases, nothing jarring
- Music sync points: Scene transitions should land on beats
This prompt was generated based on research from 10 Reddit threads (294 upvotes) and 18 X posts (1,273 likes) about Remotion animation best practices.
Options
| Flag | Description |
|---|---|
--quick |
Faster research, fewer sources (8-12 each) |
--deep |
Comprehensive research (50-70 Reddit, 40-60 X) |
--debug |
Verbose logging for troubleshooting |
--sources=reddit |
Reddit only |
--sources=x |
X only |
Requirements
- OpenAI API key - For Reddit research (uses web search)
- xAI API key - For X research (optional but recommended)
At least one key is required.
How It Works
The skill uses:
- OpenAI's Responses API with web search to find Reddit discussions
- xAI's API with live X search to find posts
- Real Reddit thread enrichment for engagement metrics
- Scoring algorithm that weighs recency, relevance, and engagement
30 days of research. 30 seconds of work.