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.

1,592 results

151–200 shown · queried in 7.97s · register counted Aug 13, 2026, 05:15 PM UTC

Payment terms Clear all
152
DebtPulse — Global debt elimination intelligenceAnsweringNR · floor not met
host:debtpulse.theaslangroupllc.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.515
Payers5
Last called2026-08-11
Domain age71d
Scorecard Badge
153
DealPulse — The verification layer for dealsAnsweringNR · floor not met
host:dealpulse.theaslangroupllc.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.515
Payers5
Last called2026-08-11
Domain age71d
Scorecard Badge
155
CryptoPulse — Practical crypto intelligenceAnsweringNR · floor not met
host:cryptopulse.theaslangroupllc.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.515
Payers5
Last called2026-08-11
Domain age71d
Scorecard Badge
156
CompliancePulse — The regulatory applicability layerAnsweringNR · floor not met
host:compliancepulse.theaslangroupllc.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.515
Payers5
Last called2026-08-11
Domain age71d
Scorecard Badge
157
CollectablesPulse — Market intelligence for collectorsAnsweringNR · floor not met
host:collectablespulse.theaslangroupllc.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.515
Payers5
Last called2026-08-11
Domain age71d
Scorecard Badge
158
ClinicalIntelPulse — Medical & medication intelligence API for AI agentsAnsweringNR · floor not met
host:clinicalintelpulse.theaslangroupllc.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.515
Payers5
Last called2026-08-11
Domain age71d
Scorecard Badge
159
ClimatePulse — Global climate and weather intelligence APIAnsweringNR · floor not met
host:climatepulse.theaslangroupllc.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.515
Payers5
Last called2026-08-11
Domain age71d
Scorecard Badge
160
ClearCarePulse — Healthcare price transparency and cost navigation APIAnsweringNR · floor not met
host:clearcarepulse.theaslangroupllc.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.515
Payers5
Last called2026-08-11
Domain age71d
Scorecard Badge
162
ChronicaPulse — Global genealogy and historical archive intelligence APIAnsweringNR · floor not met
host:chronicapulse.theaslangroupllc.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.515
Payers5
Last called2026-08-11
Domain age71d
Scorecard Badge
163
CareerPulse — Global career intelligence API serving the world's 3AnsweringNR · floor not met
host:careerpulse.theaslangroupllc.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.515
Payers5
Last called2026-08-11
Domain age71d
Scorecard Badge
164
BuildPulse — BuildPulse — home construction and renovation intelligenceAnsweringNR · floor not met
host:buildpulse.theaslangroupllc.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.515
Payers5
Last called2026-08-11
Domain age71d
Scorecard Badge
165
BioPulse — Global biodiversity intelligence APIAnsweringNR · floor not met
host:biopulse.theaslangroupllc.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.515
Payers5
Last called2026-08-11
Domain age71d
Scorecard Badge
168
VetPulse — US veterans benefits intelligence APIAnsweringNR · floor not met
host:api.vetpulse.theaslangroupllc.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.515
Payers5
Last called2026-08-11
Domain age71d
Scorecard Badge
171
api.myceliasignal.comAnsweringNR · floor not met
host:api.myceliasignal.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
5 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC51.37
Inflow USDC0.48
Payers2
Last called2026-08-11
Domain age6mo
Scorecard Badge
172
api.x402lint.devAnsweringNR · floor not met
host:api.x402lint.dev

x402 endpoint. Archive holds liveness, payment terms, observed flow, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC58.73
Inflow USDC0.32
Payers6
Last called2026-08-11
Domain age—
Scorecard Badge
173
api.signalis.devAnsweringNR · floor not met
host:api.signalis.dev

x402 endpoint. Archive holds liveness, payment terms, observed flow, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC58.73
Inflow USDC0.32
Payers6
Last called2026-08-11
Domain age—
Scorecard Badge
174
api.orcatrace.devAnsweringNR · floor not met
host:api.orcatrace.dev

x402 endpoint. Archive holds liveness, payment terms, observed flow, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
5 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC58.73
Inflow USDC0.32
Payers6
Last called2026-08-11
Domain age34d
Scorecard Badge
175
api.moltalyzer.xyzAnsweringNR · floor not met
host:api.moltalyzer.xyz

x402 endpoint. Archive holds liveness, payment terms, observed flow, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC58.73
Inflow USDC0.32
Payers6
Last called2026-08-11
Domain age—
Scorecard Badge
176
Sponge GatewayAnsweringNR · floor not met
host:wolframalpha.x402.paysponge.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
5 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC34.08
Inflow USDC0.3
Payers4
Last called2026-08-11
Domain age7mo
Scorecard Badge
177
TripadvisorAnsweringNR · floor not met
host:tripadvisor.x402.paysponge.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
5 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC34.08
Inflow USDC0.3
Payers4
Last called2026-08-11
Domain age7mo
Scorecard Badge
178
ScreenshotOneAnsweringNR · floor not met
host:screenshotone.x402.paysponge.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
5 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC34.08
Inflow USDC0.3
Payers4
Last called2026-08-11
Domain age7mo
Scorecard Badge
179
RentCastAnsweringNR · floor not met
host:rentcast.x402.paysponge.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
5 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC34.08
Inflow USDC0.3
Payers4
Last called2026-08-11
Domain age7mo
Scorecard Badge
180
x402stock: market & economic data API for AI agentsAnsweringNR · floor not met
host:x402stock.xyz

x402 endpoint. Archive holds liveness, payment terms, observed flow. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.3
Payers1
Last called2026-08-11
Domain age—
Scorecard Badge
181
x402stock: market & economic data API for AI agentsAnsweringNR · floor not met
host:x402stock.vercel.app

x402 endpoint. Archive holds liveness, payment terms, observed flow. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.3
Payers1
Last called2026-08-11
Domain age—
Scorecard Badge
182
2s — the (most) everything APIAnsweringNR · floor not met
host:2s.io

x402 endpoint. Archive holds liveness, payment terms, observed flow, wallet balance. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC93.54
Inflow USDC0.2823
Payers9
Last called2026-08-11
Domain age—
Scorecard Badge
183
tools.bip-rep.comAnsweringNR · floor not met
host:tools.bip-rep.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.28
Payers2
Last called2026-08-11
Domain age5.9y
Scorecard Badge
184
space.bip-rep.comAnsweringNR · floor not met
host:space.bip-rep.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.28
Payers2
Last called2026-08-11
Domain age5.9y
Scorecard Badge
185
qr.bip-rep.comAnsweringNR · floor not met
host:qr.bip-rep.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.28
Payers2
Last called2026-08-11
Domain age5.9y
Scorecard Badge
186
og.bip-rep.comAnsweringNR · floor not met
host:og.bip-rep.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.28
Payers2
Last called2026-08-11
Domain age5.9y
Scorecard Badge
187
flutter.bip-rep.comAnsweringNR · floor not met
host:flutter.bip-rep.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.28
Payers2
Last called2026-08-11
Domain age5.9y
Scorecard Badge
188
cron.bip-rep.comAnsweringNR · floor not met
host:cron.bip-rep.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.28
Payers2
Last called2026-08-11
Domain age5.9y
Scorecard Badge
189
convert.bip-rep.comAnsweringNR · floor not met
host:convert.bip-rep.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.28
Payers2
Last called2026-08-11
Domain age5.9y
Scorecard Badge
190
x402.ottoai.servicesAnsweringNR · floor not met
host:x402.ottoai.services

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.256
Payers19
Last called2026-08-11
Domain age10mo
Scorecard Badge
191
api.rtkmotion.ioAnsweringNR · floor not met
host:api.rtkmotion.io

x402 endpoint. Archive holds liveness, payment terms, observed flow. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.25
Payers1
Last called2026-08-11
Domain age—
Scorecard Badge
192
Financial Data x402AnsweringNR · floor not met
host:x402-stock-indicators.vercel.app

x402 endpoint. Archive holds liveness, payment terms, observed flow. Last recorded call 2026-08-11.

x402 endpoint payment terms
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.21
Payers2
Last called2026-08-11
Domain age—
Scorecard Badge
193
Financial Data x402AnsweringNR · floor not met
host:www.x402financialdata.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.21
Payers2
Last called2026-08-11
Domain age14d
Scorecard Badge
194
Quicknode x402AnsweringNR · floor not met
host:x402.quicknode.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.204
Payers1
Last called2026-08-11
Domain age15.2y
Scorecard Badge
195
api.osf-master-server.comAnsweringNR · floor not met
host:api.osf-master-server.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
5 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC2.26
Inflow USDC0.202
Payers1
Last called2026-08-11
Domain age85d
Scorecard Badge
196
x402scan | x402 Ecosystem ExplorerAnsweringNR · floor not met
host:www.x402scan.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms llms.txt
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.19
Payers5
Last called2026-08-11
Domain age11mo
Scorecard Badge
197
Website URL ExtractorAnsweringNR · floor not met
host:url-extractor.x402.paysponge.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, wallet balance, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
5 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC22.9
Inflow USDC0.18
Payers3
Last called2026-08-11
Domain age7mo
Scorecard Badge
198
URL Uptime Checker — _doneAnsweringNR · floor not met
host:url-uptime-checker.underscoredone.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.18
Payers3
Last called2026-08-11
Domain age81d
Scorecard Badge
199
Sitemap URL Extractor — _doneAnsweringNR · floor not met
host:sitemap-url-extractor.underscoredone.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.18
Payers3
Last called2026-08-11
Domain age81d
Scorecard Badge
200
Shopify AI Rank Checker — _doneAnsweringNR · floor not met
host:shopify-ai-rank-checker.underscoredone.com

x402 endpoint. Archive holds liveness, payment terms, observed flow, domain age. Last recorded call 2026-08-11.

x402 endpoint payment terms
4 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0.18
Payers3
Last called2026-08-11
Domain age81d
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.

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observed USDC
1 EconSignalPulse — Alternative economic intelligence API covering 190+ countries5 payers 0.515USDC in 2 DebtPulse — Global debt elimination intelligence5 payers 0.515USDC in 3 DealPulse — The verification layer for deals5 payers 0.515USDC in 4 CyberPulse — Global cybersecurity intelligence API — CVE briefs, vulnerability5 payers 0.515USDC in 5 CryptoPulse — Practical crypto intelligence5 payers 0.515USDC in
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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 →