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Market around Quantity Engine

An MCP server for dimensional calculations and unit conversion in AI agent workflows, using exact rational arithmetic, explicit precision policies, structured errors, and evidence hashes for reproducibility.

Visit github.com ↗Pricing page ↗

Explore the market

Prices and medians update for the tier you select.

Compare at
Quantity Engine · Pro
No Pro plan
—
Pro-MCP server median
$40
across 14 priced MCP servers
vs Pro MCP servers
No comparison
Quantity Engine doesn't sell Pro
ⓘ Comparisons are same provider type (MCP server) and same buyer tier (Pro). Never across tiers.
Market density
28th pctile
23 competing vendors
Comparable listings · 30d
—
MCP servers · Pro median
$40/mo
14 priced · $8.5–$387 mid 50%
Price spectrum · Pro plans · 11 of 23 providers priced · log scale · $1.42 → $1980/mo
MCP servers APIs◻ shaded = middle 50% · line = median (all types)Quantity Engine has no comparable Pro price — not plotted

Products in this market

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

MMCP servers13Ranked by similarity
Quantity Enginethis listing
● MCP
no public price
mcp_gnu_units
● MCP87% similar
no public price
Polymath MegaBlaster MCP
● MCP78% similar
no public price
TH
thousand_api
● MCP75% similar
$1980/mo Pro
+4850% vs Pro median
PR
profitability_market
● MCP75% similar
no public price
arithym
● MCP74% similar
$5/mo Pro
-87% vs Pro median
Euclid
● MCP73% similar
$50 one-time Pro
not monthly-comparable
CalculatorMCP
● MCP73% similar
no public price
jacobian
● MCP72% similar
no public price
DE
Developer Utilities
● MCP71% similar
no Pro plan
entry $10/mo
EF
efficiency
● MCP71% similar
no public price
tinyfn
● MCP71% similar
$30/mo Pro
-25% vs Pro median
Squad
● MCP70% similar
no public price

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.