An open-source semantic firewall and adversarial testing laboratory for Alexa+ conversational applications. It enforces revisioned state contracts, protects actions from stale state, generates multi-turn attacks, and exposes MCP tools.
Prices and medians update for the tier you select.
Compare at
Turnproof · Pro
No Pro plan
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Pro-provider median
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insufficient comparable pricing
vs Pro providers
No comparison
Turnproof doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
11th pctile
6 competing vendors
Comparable listings · 30d
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MCP servers · Pro median
$32/mo
4 priced · $18.95–$49 mid 50%
Price spectrum · Pro plans · 2 of 4 providers priced · log scale · $25 → $39/mo
MCP servers◻ shaded = middle 50% · line = median (all types)Turnproof has no comparable Pro price — not plotted
Products in this market
Ranked by how closely each one matches Turnproof'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.
