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Market around ProofCheck

Read-only HTTP API and remote MCP server that verifies x402 signed offers, receipts, and payment-required messages, including signer authorization evidence from did:web, DNS, ERC-8004, and payTo data.

Visit github.com ↗

Explore the market

Prices and medians update for the tier you select.

Compare at
ProofCheck · Pro
No Pro plan
—
Pro-provider median
—
insufficient comparable pricing
vs Pro providers
No comparison
ProofCheck doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
44th pctile
88 competing vendors
Comparable listings · 30d
—
MCP servers · Pro median
$32/mo
3 priced · —–— mid 50%
Price spectrum · Pro plans · 4 of 5 providers priced · log scale · $4.99 → $99/mo
MCP servers APIs◻ shaded = middle 50% · line = median (all types)ProofCheck has no comparable Pro price — not plotted

Products in this market

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

OOther1Ranked by similarity
ProofCheckthis listing
● OTHER
no public price
MMCP servers28Ranked by similarity
probe402-check
● MCP86% similar
no public price
TrustBench
● MCP85% similar
no public price
Settled
● MCP83% similar
$15/mo Pro
-53% vs Pro median
Check X402 Payment Readiness
● MCP82% similar
no public price
Teppi
● MCP82% similar
no public price
X402 Doctor
● MCP80% similar
no public price
Spendpreflight
● MCP80% similar
$19/mo Pro
-41% vs Pro median
Paycheck
● MCP80% similar
no Pro plan
entry $9/mo
Ontario Protocol
● MCP80% similar
$99/mo Pro
+209% vs Pro median
x402 Doctor
● MCP78% similar
no public price
Usetested
● MCP78% similar
no public price
Cleared Index MCP
● MCP77% similar
no public price
Lumenworks Decoder
● MCP77% similar
no public price
Agent Economy Tools
● MCP77% similar
no public price
DA
Datoka
● MCP77% similar
no public price
Scvd General Store
● MCP77% similar
no public price
NS
Nsgoods Workbench
● MCP77% similar
no public price
NO
Nohumans Directory
● MCP75% similar
no public price
Voidly
● MCP75% similar
no public price
XGuard
● MCP75% similar
no public price
Steward MCP
● MCP74% similar
no public price
TO
Toolvet
● MCP74% similar
no public price
nsgoods Workbench MCP
● MCP73% similar
no public price
x402-tools MCP Server
● MCP73% similar
no public price
SI
Signal402
● MCP73% similar
no public price
GR
Groundcheck
● MCP72% similar
no public price
SRA RiskGate MCP
● MCP72% similar
no public price
AG
agent-security-gateway
● MCP72% similar
no public price
AAgents1Ranked by similarity
MIDAX402
● AGENT86% similar
no public price
PPlatforms4Ranked by similarity
ApexScout
● PLATFORM80% similar
no public price
NullClear
● PLATFORM78% similar
no public price
RobotsShop
● PLATFORM77% similar
no public price
Otto X402 Router
● PLATFORM74% similar
no public price
AAPIs15Ranked by similarity
TollWarden
● API80% similar
$4.99/mo Pro
Penny x402 Endpoint Audit
● API79% similar
no public price
Beggar Bot
● API79% similar
no public price
x402 Endpoint Risk Corpus
● API79% similar
no public price
AgentPay Gate
● API78% similar
no public price
AlgoVoi Payable Rail
● API78% similar
no public price
Andromalius x402 Security Analysis
● API78% similar
no public price
m.Score API
● API77% similar
no public price
Jurat
● API77% similar
no public price
XGuard
● API76% similar
no public price
x402 Wallet Signing Safety Pack
● API75% similar
no public price
agente-jefe
● API75% similar
no public price
RAE Fleet Router
● API73% similar
no public price
x402 Seller Tools
● API72% similar
no public price
onyx-actions
● API72% similar
no public price
FFrameworks1Ranked by similarity
x402-tools
● FRAMEWORK77% 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.