An open-source, dependency-free Markdown agent skill for building domain expert packages from authoritative standards, with source citations, verification levels, freshness timestamps, validation gates, and checklists.
Prices and medians update for the tier you select.
Compare at
build-expert · Pro
No Pro plan
—
Pro-provider median
—
insufficient comparable pricing
vs Pro providers
No comparison
build-expert doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
7th pctile
4 competing vendors
Comparable listings · 30d
—
MCP servers · Pro median
$15/mo
3 priced · —–— mid 50%
Price spectrum · Pro plans · 4 of 4 providers priced · log scale · $10 → $49/mo
MCP servers APIs◻ shaded = middle 50% · line = median (all types)build-expert has no comparable Pro price — not plotted
Products in this market
Ranked by how closely each one matches build-expert's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.