Open-source Python tool that checks whether an MCP endpoint exposes its tool list without authentication, evaluates RFC 9728 OAuth challenge posture, and generates HMAC-signed observation receipts.
Prices and medians update for the tier you select.
Compare at
X190 · Pro
No Pro plan
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Pro-provider median
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insufficient comparable pricing
vs Pro providers
No comparison
X190 doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
45th pctile
59 competing vendors
Comparable listings · 30d
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MCP servers · Pro median
$14/mo
4 priced · $11.49–$18.75 mid 50%
Price spectrum · Pro plans · 3 of 5 providers priced · log scale · $6.99 → $29/mo
MCP servers Other◻ shaded = middle 50% · line = median (all types)X190 has no comparable Pro price — not plotted
Products in this market
Ranked by how closely each one matches X190'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.