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Postgres EXPLAIN Reviewer: Index Plan + Rewrite

Upload an EXPLAIN plan and SQL. Get ranked bottlenecks, cardinality gaps, index candidates, query rewrites, and a measured rollout checklist.

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US$9.99
Data Analyst — WHAT, WHY, SO WHAT

A chart dump isn't insight. Paste your data — a CSV, table, or numbers — and get an analyst-grade report in three layers: WHAT the data shows (key figures), WHY it's likely happening (labeled hypotheses, not guesses as facts), and SO WHAT to do (3–5 prioritized actions + what to measure next). Delivered as a clean, self-contained HTML report. It reasons only over your numbers and never invents figures or benchmarks. For operators who need decisions, not dashboards.

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The Art of War · Strategic Advisor

Sun Tzu's Art of War for modern professionals — strategic diagnosis, decision checklists, and battlefield-tested tactics you can use at work today.

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Hook Lab — Win the First 3 Seconds

Your video is good, but viewers swipe before the second sentence — the first three seconds lost them. Give Hook Lab a topic, trend, product, or niche and get back what actually decides retention: a clear positioning angle, trend-informed topic ideas, 5+ scroll-stopping hook options (spoken line + on-screen text, by hook type), a tight beat-by-beat script, and a caption. Built for creators, founders, marketers, and social teams shipping short-form for TikTok, Reels, and Shorts.

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US$1.99 / dia
Market Index Backtest: 2X Leveraged & Inverse ETF

Computes historical win-rates and expected returns for 2X Leveraged & -2X Inverse ETFs based on 5-year index drawdowns (KOSPI, S&P500, NASDAQ). Eliminates emotional trading with objective statistical backtesting.

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US$2.9 / sem
RiskDelta — What Changed in the Risk Factors

Every year a company rewrites its risk factors. “We may be unable to retain our largest customers” quietly becomes “we have been unable to.” Almost nobody reads both versions. Name a ticker. RiskDelta pulls the last two SEC filings, isolates Item 1A from each, and reports what was added, what was removed, and where hedged language hardened into fact — with the filing’s own words as evidence. Disclosure analysis only. No recommendations.

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US$14.99 / sem
Stock Analysis-Markets, Crypto & Macro

Markets do not move for one clean reason. Name any stock, index, sector, crypto asset, or macro market, and get a structured force-field report that shows the bearish and bullish drivers, their intensity, their time horizon, and the causal chain behind the move. The output is a self-contained HTML report with vector cards, net pressure by weekly/monthly/quarterly/annual horizon, key inflection points, and three scenarios. Open it in a browser or print it to PDF.

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US$7.99 / sem
Japanese Business Culture Decoder

Decode what Japanese colleagues REALLY mean. Explains tatemae/honne, nemawashi, ringi, and unspoken rules — so you can negotiate, email, and collaborate with Japan without costly cultural misreads.

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US$20
30 Days Later|What Will You Be Like in 30 Days?

What if nothing changes for the next 30 days? Compare staying the same with starting to change.

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US$3 / h