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Market around 402MCP

An MCP server and registry that helps AI agents decode HTTP 402 payment challenges, identify supported payment schemes, select payment rails, and retry requests. Supports L402, x402, and MPP.

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Explore the market

Prices and medians update for the tier you select.

Compare at
402MCP · Pro
No Pro plan
—
Pro-provider median
—
insufficient comparable pricing
vs Pro providers
No comparison
402MCP doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
35th pctile
68 competing vendors
Comparable listings · 30d
—
Price spectrum · Pro plans · 2 of 4 providers priced · log scale · $4.99 → $15/mo
MCP servers APIs◻ shaded = middle 50% · line = median (all types)402MCP has no comparable Pro price — not plotted

Products in this market

Ranked by how closely each one matches 402MCP's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.

OOther3Ranked by similarity
402MCPthis listing
● OTHER
no public price
port402
● OTHER81% similar
no public price
Agentic Market
● OTHER70% similar
no public price
AAPIs11Ranked by similarity
Machine Payments Protocol (MPP)
● API82% similar
no public price
fourzerotwo
● API76% similar
no public price
AlgoVoi Payable Rail
● API75% similar
no public price
AgentPay Gate
● API74% similar
no public price
TollWarden
● API73% similar
$4.99/mo Pro
Penny x402 Endpoint Audit
● API73% similar
no public price
x402 Gateway
● API72% similar
no public price
Fabler Labs x402 Storefront
● API72% similar
no public price
Agent Tolls
● API71% similar
no public price
x402 Endpoint Risk Corpus
● API71% similar
no public price
XGuard
● API70% similar
no public price
MMCP servers17Ranked by similarity
Voidly
● MCP81% similar
no public price
xenarch-mcp
● MCP77% similar
no public price
provenpaid-mcp
● MCP75% similar
no public price
X402 Doctor
● MCP74% similar
no public price
x402-list-mcp
● MCP74% similar
no public price
stellar-x402-mcp
● MCP74% similar
no public price
Apay
● MCP74% similar
no public price
RO
Robot Shop
● MCP74% similar
no public price
Settled
● MCP74% similar
$15/mo Pro
RMI MCP x402
● MCP73% similar
no public price
Paycheck
● MCP73% similar
no Pro plan
entry $9/mo
x402station-mcp
● MCP72% similar
no public price
Superstables
● MCP71% similar
no public price
RMI MCP x402
● MCP71% similar
no public price
Check X402 Payment Readiness
● MCP71% similar
no public price
TO
Toolvet
● MCP71% similar
no public price
ProofCheck
● MCP71% similar
no public price
AAgents1Ranked by similarity
402xAgent
● AGENT79% similar
no Pro plan
entry $1/mo
FFrameworks5Ranked by similarity
agent-x402
● FRAMEWORK74% similar
no public price
Machinepal
● FRAMEWORK71% similar
no public price
x402-tools
● FRAMEWORK70% similar
no public price
EnvarPay
● FRAMEWORK70% similar
no public price
M2MCent SDK
● FRAMEWORK70% similar
no public price
PPlatforms7Ranked by similarity
fetch-x402.ai
● PLATFORM74% similar
no public price
AgentPay
● PLATFORM74% similar
no public price
tryx402
● PLATFORM73% similar
no public price
NullClear
● PLATFORM72% similar
no public price
BAGS
● PLATFORM70% similar
no public price
Otto X402 Router
● PLATFORM70% similar
no public price
ApexScout
● PLATFORM70% 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.