MCPScores.com
Browse the registry
All 6,759MCP servers 5,155x402 endpoints 1,604Answering 3,337Payment terms 1,592Observed flow 562
Listing type
All types 6,759 MCP servers 5,155 x402 endpoints 1,604
Observed status
Any status 6,759 Answered when last called 3,337 Observed, silent 3,203 Never probed 219
Evidence held
Any evidence 6,759 Payment terms declared 1,592 Observed USDC inflow 562 Wallet balance 406 llms.txt published 933
Capability domain
Any domain 6,759 Commerce 258 Content 150 Data 152 Finance 101 Identity 154 Infrastructure 222 Work 115
Rating status

Every listing is NR. A grade requires 7 archive days and 3 successful observations; the archive holds 3. There is no rating filter because there is nothing yet to filter on.

219 results

51–100 shown · queried in 2.15s · register counted Aug 13, 2026, 05:17 PM UTC

Never probed Clear all
51
ErrorNever probedNR · floor not met
host:agent.memoryapi.org

x402 endpoint. Archive holds payment terms, observed flow, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.003
Payers1
Last called—
Domain age4mo
Scorecard Badge
52
api.justaname.idNever probedNR · floor not met
host:api.justaname.id

x402 endpoint. Archive holds payment terms, observed flow, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.002
Payers1
Last called—
Domain age3.0y
Scorecard Badge
53
ATMS API - ATMS APINever probedNR · floor not met
host:api.atms.nathanlidurin.com

x402 endpoint. Archive holds payment terms, observed flow, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.001
Payers1
Last called—
Domain age4mo
Scorecard Badge
54
24K Labs — The Gold-402 Directory for the x402 EcosystemNever probedNR · floor not met
host:api.24klabs.ai

x402 endpoint. Archive holds payment terms, observed flow, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.001
Payers1
Last called—
Domain age5mo
Scorecard Badge
55
76.13.79.47.nip.ioNever probedNR · floor not met
host:76.13.79.47.nip.io

x402 endpoint. Archive holds payment terms, observed flow. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.001
Payers1
Last called—
Domain age—
Scorecard Badge
56
AgentWorld — A Living Economy of Autonomous AI Agents on BaseNever probedNR · floor not met
host:agentworld.me

x402 endpoint. Archive holds payment terms, wallet balance. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC102.97
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
57
api.compatify.ioNever probedNR · floor not met
host:api.compatify.io

x402 endpoint. Archive holds payment terms, wallet balance. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC21.92
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
58
agentdata-nlNever probedNR · floor not met
host:agentdata-api.sander-van-aard.workers.dev

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC16.54
Inflow USDC0
Payers0
Last called—
Domain age7.5y
Scorecard Badge
59
DYOE — The Trusted Layer of the Agent EconomyNever probedNR · floor not met
host:agents.dyoeway.org

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC16.37
Inflow USDC0
Payers0
Last called—
Domain age4mo
Scorecard Badge
60
invinoveritas — The Verification Layer for Autonomous AgentsNever probedNR · floor not met
host:api.babyblueviper.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC16.34
Inflow USDC0
Payers0
Last called—
Domain age15mo
Scorecard Badge
61
api.agentinternetruntime.comNever probedNR · floor not met
host:api.agentinternetruntime.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC12.6
Inflow USDC0
Payers0
Last called—
Domain age5mo
Scorecard Badge
62
api.instahuman.comNever probedNR · floor not met
host:api.instahuman.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC12.55
Inflow USDC0
Payers0
Last called—
Domain age7.8y
Scorecard Badge
64
AGENTS ONLYNever probedNR · floor not met
host:agentsonly.vip

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC7
Inflow USDC0
Payers0
Last called—
Domain age13d
Scorecard Badge
65
AGENTS ONLYNever probedNR · floor not met
host:agents-only-production.up.railway.app

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC7
Inflow USDC0
Payers0
Last called—
Domain age7.0y
Scorecard Badge
66
commodities.sh — Primary-source commodities for AI agentsNever probedNR · floor not met
host:api.commodities.sh

x402 endpoint. Archive holds payment terms, wallet balance. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC4.91
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
67
api.insumermodel.comNever probedNR · floor not met
host:api.insumermodel.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC4.2
Inflow USDC0
Payers0
Last called—
Domain age13mo
Scorecard Badge
68
Structured extraction API — pay per call over x402Never probedNR · floor not met
host:api-v3qhpbwutp.august.services

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC3.29
Inflow USDC0
Payers0
Last called—
Domain age68d
Scorecard Badge
69
api.getsly.aiNever probedNR · floor not met
host:api.getsly.ai

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC3.12
Inflow USDC0
Payers0
Last called—
Domain age7mo
Scorecard Badge
71
GlianaAI — pay-per-call AI inference across 90+ modelsNever probedNR · floor not met
host:api.glianalabs.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC2.87
Inflow USDC0
Payers0
Last called—
Domain age11mo
Scorecard Badge
72
api.apex-db.orgNever probedNR · floor not met
host:api.apex-db.org

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC2.7
Inflow USDC0
Payers0
Last called—
Domain age80d
Scorecard Badge
73
404: This page could not be found.Never probedNR · floor not met
host:api.healthparse.io

x402 endpoint. Archive holds payment terms, wallet balance. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC2.69
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
74
api-dev.agents.skillfulai.ioNever probedNR · floor not met
host:api-dev.agents.skillfulai.io

x402 endpoint. Archive holds payment terms, wallet balance. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC2.43
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
75
api-dev-v2.ixs.financeNever probedNR · floor not met
host:api-dev-v2.ixs.finance

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC1.32
Inflow USDC0
Payers0
Last called—
Domain age18mo
Scorecard Badge
76
AgentTrust — Security Scanner for AI SkillsNever probedNR · floor not met
host:agenttrust.uk

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC1.12
Inflow USDC0
Payers0
Last called—
Domain age4mo
Scorecard Badge
77
AgentKit x402 — AI agents pay USDC for crypto intelNever probedNR · floor not met
host:agentkit-x402-buy.netlify.app

x402 endpoint. Archive holds payment terms, wallet balance. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC1.05
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
78
ai-summarizer.api.klymax402.comNever probedNR · floor not met
host:ai-summarizer.api.klymax402.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.665
Inflow USDC0
Payers0
Last called—
Domain age3mo
Scorecard Badge
79
api.biotechcatalystsentinel.comNever probedNR · floor not met
host:api.biotechcatalystsentinel.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.66
Inflow USDC0
Payers0
Last called—
Domain age51d
Scorecard Badge
80
api.darangilau.comNever probedNR · floor not met
host:api.darangilau.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.45
Inflow USDC0
Payers0
Last called—
Domain age13d
Scorecard Badge
81
api.creativeforesight.ioNever probedNR · floor not met
host:api.creativeforesight.io

x402 endpoint. Archive holds payment terms, wallet balance. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.38
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
82
api.cryptoetfsentinel.comNever probedNR · floor not met
host:api.cryptoetfsentinel.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.3605
Inflow USDC0
Payers0
Last called—
Domain age6mo
Scorecard Badge
83
GameDataKit — Steam and Twitch data for AI agentsNever probedNR · floor not met
host:api.borisinc.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.2524
Inflow USDC0
Payers0
Last called—
Domain age41d
Scorecard Badge
84
404 Not FoundNever probedNR · floor not met
host:api.freaks.one

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.2
Inflow USDC0
Payers0
Last called—
Domain age5mo
Scorecard Badge
85
api.goldenaspenweb.comNever probedNR · floor not met
host:api.goldenaspenweb.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.12
Inflow USDC0
Payers0
Last called—
Domain age20d
Scorecard Badge
86
Trading Data API — agent-ready market dataNever probedNR · floor not met
host:api-production-54bd.up.railway.app

x402 endpoint. Archive holds payment terms, wallet balance. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.022
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
87
aiact-api.comNever probedNR · floor not met
host:aiact-api.com

x402 endpoint. Archive holds payment terms, wallet balance, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0.006
Inflow USDC0
Payers0
Last called—
Domain age37d
Scorecard Badge
88
api-dev.cueframe.aiNever probedNR · floor not met
host:api-dev.cueframe.ai

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0
Inflow USDC0
Payers0
Last called—
Domain age6mo
Scorecard Badge
89
agents.x402stock.xyzNever probedNR · floor not met
host:agents.x402stock.xyz

x402 endpoint. Archive holds payment terms. Last recorded call none.

x402 endpoint payment terms llms.txt
1 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC0
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
90
LedgerCore Unified APINever probedNR · floor not met
host:api.ledgercore.io

x402 endpoint. Archive holds payment terms. Last recorded call none.

x402 endpoint payment terms llms.txt
1 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
92
api.jubjubapp.comNever probedNR · floor not met
host:api.jubjubapp.com

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age3.7y
Scorecard Badge
93
api.ishtar.numetal.xyzNever probedNR · floor not met
host:api.ishtar.numetal.xyz

x402 endpoint. Archive holds payment terms. Last recorded call none.

x402 endpoint payment terms llms.txt
1 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
94
api.influship.comNever probedNR · floor not met
host:api.influship.com

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age17mo
Scorecard Badge
95
api.immuta.appNever probedNR · floor not met
host:api.immuta.app

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age4mo
Scorecard Badge
96
api.ideafactorylab.orgNever probedNR · floor not met
host:api.ideafactorylab.org

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age5mo
Scorecard Badge
97
hyperD — DeFi APIs, priced per callNever probedNR · floor not met
host:api.hyperd.ai

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age6mo
Scorecard Badge
98
404: This page could not be found.Never probedNR · floor not met
host:api.govparse.io

x402 endpoint. Archive holds payment terms. Last recorded call none.

x402 endpoint payment terms
1 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age—
Scorecard Badge
100
api.gmfarcaster.comNever probedNR · floor not met
host:api.gmfarcaster.com

x402 endpoint. Archive holds payment terms, domain age. Last recorded call none.

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called—
Domain age2.8y
Scorecard Badge

Bars inside a result compare the listings on this page only. “Last called” is that listing's own observation date — the sweep is rolling, so these dates differ between rows. An em dash means the archive holds no such fact; it is never rendered as zero.

Top on this page

observed USDC
1 Error1 payers 0.003USDC in 2 api.justaname.id1 payers 0.002USDC in 3 ATMS API - ATMS API1 payers 0.001USDC in 4 24K Labs — The Gold-402 Directory for the x402 Ecosystem1 payers 0.001USDC in 5 76.13.79.47.nip.io1 payers 0.001USDC in
Ranked within this page only, not the register.

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Archive & floor

2026-08-13
Archive coverage3 of 7 days2026-08-11 → 2026-08-13
Published grades0earliest possible 2026-08-17
Answered when last called3,337of 6,540 observed listings
Recorded changes724including 19 payout-address rotations
What the floor means →