MCPScores.com
Browse the registry
All 7,284MCP servers 5,680x402 endpoints 1,604Answering 3,607Payment terms 1,592Observed flow 572
Listing type
All types 7,284 MCP servers 5,680 x402 endpoints 1,604
Observed status
Any status 7,284 Answered when last called 3,607 Observed, silent 3,458 Never probed 219
Evidence held
Any evidence 7,284 Payment terms declared 1,592 Observed USDC inflow 572 Wallet balance 406 llms.txt published 933
Capability domain
Any domain 7,284 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.

406 results

401–406 shown · queried in 1.20s · register counted Aug 13, 2026, 07:47 PM UTC

Wallet balance Clear all
401
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
402
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
403
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
404
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
405
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
406
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

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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Add listings with the Compare button on any result.

The tray is kept in this browser only. Nothing is sent anywhere.

Archive & floor

2026-08-13
Archive coverage3 of 7 days2026-08-11 → 2026-08-13
Published grades0earliest possible 2026-08-17
Answered when last called3,607of 7,065 observed listings
Recorded changes724including 19 payout-address rotations
What the floor means →