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Market around probe402-check

Open-source MCP server and CLI that checks an x402 endpoint's public record before an agent pays, compares payment requests with recorded quotes, and verifies published archive heads.

Visit github.com ↗Pricing page ↗

Explore the market

Prices and medians update for the tier you select.

Compare at
probe402-check · Pro
No Pro plan
—
Pro-MCP server median
$32
across 3 priced MCP servers
vs Pro MCP servers
No comparison
probe402-check doesn't sell Pro
ⓘ Comparisons are same provider type (MCP server) and same buyer tier (Pro). Never across tiers.
Market density
52nd pctile
18 competing vendors
Comparable listings · 30d
Flat
based on 3 comparable products with price history
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)probe402-check has no comparable Pro price — not plotted

Products in this market

Ranked by how closely each one matches probe402-check's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.

MMCP servers24Ranked by similarity
probe402-checkthis listing
● MCP
no public price
Settled
● MCP88% similar
$15/mo Pro
-53% vs Pro median
ProofCheck
● MCP86% similar
no public price
Ontario Protocol
● MCP85% similar
$99/mo Pro
+209% vs Pro median
X402 Doctor
● MCP84% similar
no public price
Paycheck
● MCP83% similar
no Pro plan
entry $9/mo
Check X402 Payment Readiness
● MCP83% similar
no public price
Teppi
● MCP82% similar
no public price
TrustBench
● MCP80% similar
no public price
Agent Economy Tools
● MCP80% similar
no public price
x402 Doctor
● MCP78% similar
no public price
Scvd General Store
● MCP77% similar
no public price
Usetested
● MCP77% similar
no public price
TO
Toolvet
● MCP77% similar
no public price
Spendpreflight
● MCP76% similar
$19/mo Pro
-41% vs Pro median
LockSmith MCP
● MCP76% similar
no public price
NS
Nsgoods Workbench
● MCP75% similar
no public price
Cleared Index MCP
● MCP75% similar
no public price
NO
Nohumans Directory
● MCP74% similar
no public price
Lumenworks Decoder
● MCP74% similar
no public price
AG
agent-budget-guard
● MCP74% similar
no public price
XGuard
● MCP73% similar
no public price
Pulsefeed X402
● MCP72% similar
no public price
BotsRated
● MCP72% similar
no public price
AAgents4Ranked by similarity
MIDAX402
● AGENT85% similar
no public price
Agent Contract Proof
● AGENT74% similar
no public price
x402 Crediting Swarm
● AGENT74% similar
no public price
Ghost
● AGENT72% similar
no public price
AAPIs17Ranked by similarity
Penny x402 Endpoint Audit
● API83% similar
no public price
x402 Endpoint Risk Corpus
● API81% similar
no public price
TollWarden
● API81% similar
$4.99/mo Pro
m.Score API
● API80% similar
no public price
RAE Fleet Router
● API76% similar
no public price
Andromalius x402 Security Analysis
● API76% similar
no public price
Jurat
● API75% similar
no public price
Beggar Bot
● API75% similar
no public price
AgentPay Gate
● API75% similar
no public price
x402 Gateway
● API75% similar
no public price
XGuard
● API74% similar
no public price
NoHands Ai
● API74% similar
no public price
agente-jefe
● API73% similar
no public price
Agent Payment Error Corpus
● API73% similar
no public price
Agent Verification Utility
● API73% similar
no public price
x402 Wallet Signing Safety Pack
● API72% similar
no public price
onyx-actions
● API72% similar
no public price
PPlatforms3Ranked by similarity
RobotsShop
● PLATFORM81% similar
no public price
ApexScout
● PLATFORM80% similar
no public price
NullClear
● PLATFORM76% similar
no public price
FFrameworks1Ranked by similarity
x402-tools
● FRAMEWORK76% similar
no public price
OOther1Ranked by similarity
Agent Tolls
● OTHER73% 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.