MCPScores.com
Browse the registry
All 7,004MCP servers 5,400x402 endpoints 1,604Answering 3,475Payment terms 1,592Observed flow 567
Listing type
All types 7,004 MCP servers 5,400 x402 endpoints 1,604
Observed status
Any status 7,004 Answered when last called 3,475 Observed, silent 3,310 Never probed 219
Evidence held
Any evidence 7,004 Payment terms declared 1,592 Observed USDC inflow 567 Wallet balance 406 llms.txt published 933
Capability domain
Any domain 7,004 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.

3,310 results

251–300 shown · queried in 9.20s · register counted Aug 13, 2026, 06:27 PM UTC

Silent Clear all
252
specdelta-kl4hfo6j2q-as.a.run.appSilentNR · floor not met
host:specdelta-kl4hfo6j2q-as.a.run.app

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
253
Skim™ — The Canonical x402 Reader™SilentNR · floor not met
host:skim402.com

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age88d
Scorecard Badge
254
AI Advisory & Agentic Research Harness | SentEdge AISilentNR · floor not met
host:sentedge.ai

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age15mo
Scorecard Badge
255
sendquotenow.comSilentNR · floor not met
host:sendquotenow.com

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age5mo
Scorecard Badge
256
scry · the storeSilentNR · floor not met
host:scry.moreright.xyz

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
257
ScoreStatus — live sports in your status lineSilentNR · floor not met
host:scorestatus.dev

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age29d
Scorecard Badge
259
schedule-tools.use.x402atlas.comSilentNR · floor not met
host:schedule-tools.use.x402atlas.com

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age10mo
Scorecard Badge
260
sat.ipintel.aiSilentNR · floor not met
host:sat.ipintel.ai

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age10mo
Scorecard Badge
261
Sales Intel API - pay-per-call company enrichmentSilentNR · floor not met
host:sales-intel-api-production-c525.up.railway.app

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
262
Free OSHA injury & inspection data by company · Safety IncidentsSilentNR · floor not met
host:safetyincidents.org

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age3mo
Scorecard Badge
263
saferoute-x402-production.up.railway.appSilentNR · floor not met
host:saferoute-x402-production.up.railway.app

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
264
SafeFetch — Retrieve a hostile web page safely: clean Markdown, citation anchors, and decoded evidence of what the page was trying to say to your agent.SilentNR · floor not met
host:safefetch.schemasure.com

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age35d
Scorecard Badge
265
Ryan SprouleSilentNR · floor not met
host:ryansproule.com

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age6.2y
Scorecard Badge
266
rpc.nodeflare.appSilentNR · floor not met
host:rpc.nodeflare.app

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age3mo
Scorecard Badge
267
revert.wtf - EVM error explanationsSilentNR · floor not met
host:revert.wtf

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age80d
Scorecard Badge
268
Replenum - Agent Reputation InfrastructureSilentNR · floor not met
host:replenum.com

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age6mo
Scorecard Badge
269
Research Verification APIs — Pay Per RequestSilentNR · floor not met
host:red-breeze-8b8c.keenanbooker83.workers.dev

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
270
quantum-artificer.surewhynot.appSilentNR · floor not met
host:quantum-artificer.surewhynot.app

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
271
qr.x402tools.xyzSilentNR · floor not met
host:qr.x402tools.xyz

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
272
PubMed Trends — x402SilentNR · floor not met
host:pubmed.sekgen.xyz

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
273
AproxPay — The proxy built for AI agentsSilentNR · floor not met
host:proxy.aproxpay.com

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age42d
Scorecard Badge
274
prospex.x402tools.xyzSilentNR · floor not met
host:prospex.x402tools.xyz

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
275
Property Risk Passport API | Address due diligence for agentsSilentNR · floor not met
host:property-risk-passport-api.lifebite-app.workers.dev

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
276
projectx402-production.up.railway.appSilentNR · floor not met
host:projectx402-production.up.railway.app

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
277
project-formatter-production.up.railway.appSilentNR · floor not met
host:project-formatter-production.up.railway.app

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
278
prance-mounting-watch.ngrok-free.devSilentNR · floor not met
host:prance-mounting-watch.ngrok-free.dev

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age3.7y
Scorecard Badge
279
platform.shipp.aiSilentNR · floor not met
host:platform.shipp.ai

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age13mo
Scorecard Badge
280
persona-mcp-server.onrender.comSilentNR · floor not met
host:persona-mcp-server.onrender.com

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
281
perplexity.x402.paywithlocus.comSilentNR · floor not met
host:perplexity.x402.paywithlocus.com

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age12mo
Scorecard Badge
282
People’s Court — Private dispute resolutionSilentNR · floor not met
host:peoplescourt.ai

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age30d
Scorecard Badge
283
paulgraham.persona.energySilentNR · floor not met
host:paulgraham.persona.energy

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age79d
Scorecard Badge
284
OutcomeScout — News-to-Market MapperSilentNR · floor not met
host:outcomescout.vercel.app

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
285
orisha-data.comSilentNR · floor not met
host:orisha-data.com

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age30d
Scorecard Badge
286
openrouter.x402.stage.paywithlocus.comSilentNR · floor not met
host:openrouter.x402.stage.paywithlocus.com

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age12mo
Scorecard Badge
287
Smarter Way x402 SkillsSilentNR · floor not met
host:openclaw-customizations-production.up.railway.app

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
288
Why Aren't Agents Buying Your x402 API? | Ontario ProtocolSilentNR · floor not met
host:ontarioprotocol.com

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age5mo
Scorecard Badge
290
obol-x402.fly.devSilentNR · floor not met
host:obol-x402.fly.dev

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
291
NFT Alpha x402 - Real-time OpenSea NFT market signalsSilentNR · floor not met
host:nft-alpha-x402.fly.dev

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

x402 endpoint payment terms
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
292
nad.payflowagent.netSilentNR · floor not met
host:nad.payflowagent.net

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age47d
Scorecard Badge
293
mru-oracle.comSilentNR · floor not met
host:mru-oracle.com

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age5mo
Scorecard Badge
294
mistral.x402.stage.paywithlocus.comSilentNR · floor not met
host:mistral.x402.stage.paywithlocus.com

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age12mo
Scorecard Badge
295
APIMinter - Multi-Project NFT MintingSilentNR · floor not met
host:mint.snowfro.com

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age19.2y
Scorecard Badge
296
MSHA Fatality Tracker, Citations, Operator Lookup | Mining IncidentsSilentNR · floor not met
host:miningincidents.org

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age4mo
Scorecard Badge
297
midway.lolSilentNR · floor not met
host:midway.lol

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

x402 endpoint payment terms llms.txt
2 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-11
Domain age—
Scorecard Badge
298
mcp.viridisconservation.comSilentNR · floor not met
host:mcp.viridisconservation.com

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age61d
Scorecard Badge
299
mcp.soundside.aiSilentNR · floor not met
host:mcp.soundside.ai

x402 endpoint. Archive holds liveness, payment terms, domain age. Last recorded call 2026-08-12.

x402 endpoint payment terms llms.txt
3 of 6 evidence facets held
coverage, not a rating
Tools—
Treasury USDC—
Inflow USDC0
Payers0
Last called2026-08-12
Domain age14mo
Scorecard Badge
300
mcp.deep3.aiSilentNR · floor not met
host:mcp.deep3.ai

x402 endpoint. Archive holds liveness, payment terms, domain age. 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
Payers0
Last called2026-08-11
Domain age4.3y
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

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

Ranked within this page only, not the register.

Compare tray

up to 4

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 called3,475of 6,785 observed listings
Recorded changes724including 19 payout-address rotations
What the floor means →