Market around Mirror of Ages

An open-source Claude Code skill and historical decision-support tool that matches personal or organizational dilemmas with structured cases from the Records of the Grand Historian and Zizhi Tongjian, then generates a seven-step analysis.

Visit justinjchen-cornell.github.io ↗Pricing page ↗

Explore the market

Prices and medians update for the tier you select. Caution: thin market — treat statistics as indicative.

Compare at

Mirror of Ages · Pro

No Pro plan

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Pro-provider median

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insufficient comparable pricing

vs Pro providers

No comparison

Mirror of Ages doesn't sell Pro

ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.

Market density

6th pctile

3 competing vendors

Comparable listings · 30d

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Price spectrum · Pro plans · 1 of 1 providers priced · log scale · $79 → $79/mo

MCP servers◻ shaded = middle 50% · line = median (all types)Mirror of Ages has no comparable Pro price — not plotted

Products in this market

Ranked by how closely each one matches Mirror of Ages's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.

OOther4Ranked by similarity

Mirror of Agesthis listing

● OTHER

no public price

Sunzi Strategy Advisor

Cross-Disciplinary Models

● OTHER69% similar

no public price

Thin market — few comparable priced products; treat statistics as indicative.