MCPScores.com
Browse the registry
All 7,984MCP servers 6,346x402 endpoints 1,638Answering 3,949Payment terms 1,626Observed flow 618
Listing type
All types 7,984 MCP servers 6,346 x402 endpoints 1,638
Observed status
Any status 7,984 Answered when last called 3,949 Observed, silent 3,816 Never probed 219
Evidence held
Any evidence 7,984 Payment terms declared 1,626 Observed USDC inflow 618 Wallet balance 433 llms.txt published 943
Capability domain
Any domain 7,984 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 4. There is no rating filter because there is nothing yet to filter on.

1,626 results

1,601–1,626 shown · queried in 0.67s · register counted Aug 14, 2026, 08:57 AM UTC

Payment terms Clear all
1,601
agent-arcade.use.x402atlas.comNever probedNR · floor not met
host:agent-arcade.use.x402atlas.com

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 age10mo
Scorecard Badge
1,602
agent-a2a-payment-mk77y.ondigitalocean.appNever probedNR · floor not met
host:agent-a2a-payment-mk77y.ondigitalocean.app

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 age6.2y
Scorecard Badge
1,603
afriref.devNever probedNR · floor not met
host:afriref.dev

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 age31d
Scorecard Badge
1,604
affiliate.pay.zeroclick.ioNever probedNR · floor not met
host:affiliate.pay.zeroclick.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
1,606
Aegis — AI Content Quality Filter & Zero-Noise BriefingNever probedNR · floor not met
host:aegis-ai.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
1,607
ads.apitoll.cloudNever probedNR · floor not met
host:ads.apitoll.cloud

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 age79d
Scorecard Badge
1,608
address-validator.api.klymax402.comNever probedNR · floor not met
host:address-validator.api.klymax402.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 age3mo
Scorecard Badge
1,609
actionlayer.pay.zeroclick.ioNever probedNR · floor not met
host:actionlayer.pay.zeroclick.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
1,610
Action402 - Paid execution for AI agentsNever probedNR · floor not met
host:action402.vercel.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 age6.5y
Scorecard Badge
1,611
A2A Artifact HandoffNever probedNR · floor not met
host:a2a-artifact-handoff.onrender.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 age11.4y
Scorecard Badge
1,612
A2A Artifact HandoffNever probedNR · floor not met
host:a2a-artifact-handoff-staging.onrender.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 age11.4y
Scorecard Badge
1,613
ErrorNever probedNR · floor not met
host:9dmb38pvlp8dr1d3rtfjpe934o.ingress.h4i-dedicated.eu-sw-2.digitalfrontier.so

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
1,614
ErrorNever probedNR · floor not met
host:7ioh4dgjbbl6wb22tbgdpann4y0txkmk.lambda-url.us-west-2.on.aws

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 age4.9y
Scorecard Badge
1,615
Starchild RelayNever probedNR · floor not met
host:5108-x402.community.iamstarchild.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 age13mo
Scorecard Badge
1,616
Timezone Converter — x402 paid APINever probedNR · floor not met
host:402timezones.vercel.app

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 age6.5y
Scorecard Badge
1,618
x402 Bazaar — Pay-per-call API marketplace on BaseNever probedNR · floor not met
host:402.com.tr

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
1,619
3Route — The agent-native swap APINever probedNR · floor not met
host:3route.agents.bakingbad.dev

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
1,620
01Mind.netNever probedNR · floor not met
host:01mind.net

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 age73d
Scorecard Badge
1,621
api.epanya.aiNever probedNR · floor not met
host:api.epanya.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 USDC—
Payers—
Last called—
Domain age4mo
Scorecard Badge
1,622
api.bakebakebake.noNever probedNR · floor not met
host:api.bakebakebake.no

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 USDC—
Payers—
Last called—
Domain age88d
Scorecard Badge
1,624
AgentHub by Allium — Onchain data for AI agentsNever probedNR · floor not met
host:agents.allium.so

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 USDC—
Payers—
Last called—
Domain age—
Scorecard Badge
1,625
AiScale Agent Services — Pay-Per-Call AI APIs on BaseNever probedNR · floor not met
host:agents.aiscale.pro

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 USDC—
Payers—
Last called—
Domain age20mo
Scorecard Badge
1,626
MTC Evidence API — testnet previewNever probedNR · floor not met
host:agent-fact-receipts-staging.131313122.workers.dev

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 USDC—
Payers—
Last called—
Domain age—
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

No listing on this page declares a wallet with observed inbound USDC.

Ranked within this page only, not the register.

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Archive & floor

2026-08-14
Archive coverage4 of 7 days2026-08-11 → 2026-08-14
Published grades0earliest possible 2026-08-17
Answered when last called3,949of 7,765 observed listings
Recorded changes1,429including 92 payout-address rotations
What the floor means →