Public infrastructure registry
Search what agents depend on.
Every researched MCP server and x402 endpoint, with its latest observed state, tool surface, payment evidence, and rating status. Data current through Aug 13, 2026 UTC.
Researched listings5,289records held
In this view5,289filters applied
Answering2,617answered at their own latest call
Payment terms1,592listings declaring terms
Published grades0NR below the floor
Latest sweepAug 13, 2026 UTC3,718 listings re-called that day
Sorted by Evidence held, descending · every listing on this page shares one “Evidence held” value, so direction only reverses the identifier tiebreak
Registry results.
5,289 researched listings match this view. Open any listing to inspect its scorecard and evidence ledger. 4 distinct evidence sets appear across these 50 rows. Every research record here was collected Aug 11, 2026 UTC.
| ListingSort by Listing, ascending. | Type | StatusSort by Status, descending. | Rating | ToolsSort by Tools, descending. | Evidence | PaymentsSort by Payments, descending. | Last observedSort by Last observed, descending. |
|---|---|---|---|---|---|---|---|
| token-risk.com host:token-risk. |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| The Idea Machine host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| the-stables-blackbird-api.vercel.app host: |
x402 | Silent | NR | — | liveness · payment terms | Terms declared | Aug 11, 2026 UTC |
| testing-features host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| Tenjin host:tenjin.blog |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| Talkshi — The Agentic Marketplace host:talkshi.com |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| structdoc-api.hp-vladic.workers.dev host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt | Terms declared | Aug 11, 2026 UTC |
| Trading Strategy Data — Backtestable crypto trend signals for AI agents host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| Stack Billing — The Invoicing App for People Who Hate Invoicing host:stackbill. |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| StableStudio host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt | Terms declared | Aug 11, 2026 UTC |
| StableStudio host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| People Data Labs API host: |
x402 | Silent | NR | — | liveness · payment terms · domain age | Terms declared | Aug 11, 2026 UTC |
| StableJobs host:stablejobs. |
x402 | Silent | NR | — | liveness · payment terms · domain age | Terms declared | Aug 11, 2026 UTC |
| Cloudflare API host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| StableEstate host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| StableCrypto host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| StableBrowser host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt | Terms declared | Aug 11, 2026 UTC |
| Stablebase host:stablebase. |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| Apify API - pay-per-call actors host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| Stablebase host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt | Terms declared | Aug 11, 2026 UTC |
| People Data Labs API host: |
x402 | Silent | NR | — | liveness · payment terms | Terms declared | Aug 11, 2026 UTC |
| People Data Labs API host: |
x402 | Silent | NR | — | liveness · payment terms | Terms declared | Aug 11, 2026 UTC |
| StableMedia host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt | Terms declared | Aug 11, 2026 UTC |
| StableMedia host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt | Terms declared | Aug 11, 2026 UTC |
| StableMedia host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt | Terms declared | Aug 11, 2026 UTC |
| StableMedia host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt | Terms declared | Aug 11, 2026 UTC |
| StableJobs host: |
x402 | Silent | NR | — | liveness · payment terms | Terms declared | Aug 11, 2026 UTC |
| StableJobs host: |
x402 | Silent | NR | — | liveness · payment terms | Terms declared | Aug 11, 2026 UTC |
| StableJobs host: |
x402 | Silent | NR | — | liveness · payment terms | Terms declared | Aug 11, 2026 UTC |
| StableBrowser host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt | Terms declared | Aug 11, 2026 UTC |
| StableBrowser host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt | Terms declared | Aug 11, 2026 UTC |
| StableBrowser host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt | Terms declared | Aug 11, 2026 UTC |
| StableBrowser host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt | Terms declared | Aug 11, 2026 UTC |
| SQLPermit — Deterministic PostgreSQL statement policy checks with a signed, statement-bound execution permit. host:sqlpermit. |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| specdelta-kl4hfo6j2q-as.a.run.app host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt | Terms declared | Aug 11, 2026 UTC |
| Skim™ — The Canonical x402 Reader™ host:skim402.com |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| AI Advisory & Agentic Research Harness | SentEdge AI host:sentedge.ai |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| sendquotenow.com host: |
x402 | Silent | NR | — | liveness · payment terms · domain age | Terms declared | Aug 11, 2026 UTC |
| scry · the store host:scry. |
x402 | Silent | NR | — | liveness · payment terms · llms.txt | Terms declared | Aug 11, 2026 UTC |
| ScoreStatus — live sports in your status line host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| SchemaSure — Turn messy text, HTML, or document images into guaranteed schema-valid JSON, or pay nothing. host:schemasure. |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| sat.ipintel.ai host:sat. |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| Free OSHA injury & inspection data by company · Safety Incidents host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| saferoute-x402-production.up.railway.app host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt | Terms declared | Aug 11, 2026 UTC |
| 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. host:safefetch. |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| rpc.nodeflare.app host:rpc. |
x402 | Silent | NR | — | liveness · payment terms · domain age | Terms declared | Aug 11, 2026 UTC |
| Replenum - Agent Reputation Infrastructure host:replenum. |
x402 | Silent | NR | — | liveness · payment terms · llms.txt · domain age | Terms declared | Aug 11, 2026 UTC |
| Research Verification APIs — Pay Per Request host: |
x402 | Silent | NR | — | liveness · payment terms | Terms declared | Aug 11, 2026 UTC |
| quantum-artificer.surewhynot.app host: |
x402 | Silent | NR | — | liveness · payment terms · llms.txt | Terms declared | Aug 11, 2026 UTC |
| qr.x402tools.xyz host:qr. |
x402 | Silent | NR | — | liveness · payment terms | Terms declared | Aug 11, 2026 UTC |
token-risk.comhost:token-risk.com
NRThe Idea Machinehost:theideamachine.dev
NRthe-stables-blackbird-api.vercel.apphost:the-stables-blackbird-api.vercel.app
NRtesting-featureshost:testing-features-2025.myshopify.com
NRTenjinhost:tenjin.blog
NRTalkshi — The Agentic Marketplacehost:talkshi.com
NRstructdoc-api.hp-vladic.workers.devhost:structdoc-api.hp-vladic.workers.dev
NRTrading Strategy Data — Backtestable crypto trend signals for AI agentshost:strategysignals.duckdns.org
NRStack Billing — The Invoicing App for People Who Hate Invoicinghost:stackbill.app
NRStableStudiohost:stablestudio.io
NRStableStudiohost:stablestudio.dev
NRPeople Data Labs APIhost:stablepeopledata.dev
NRStableJobshost:stablejobs.dev
NRCloudflare APIhost:stableflare.dev
NRStableEstatehost:stableestate.dev
NRStableCryptohost:stablecrypto.dev
NRStableBrowserhost:stablebrowser.vercel.app
NRStablebasehost:stablebase.dev
NRApify API - pay-per-call actorshost:stableapify.dev
NRStablebasehost:stable-supabase-git-ben-test-agentcash-rou-586785-merit-systems.vercel.app
NRPeople Data Labs APIhost:stable-people-data-git-pdl-signoz-usage-alarms-merit-systems.vercel.app
NRPeople Data Labs APIhost:stable-people-data-git-ben-test-agentcash-dfcfa3-merit-systems.vercel.app
NRStableMediahost:stable-media-git-ben-upgrade-agentcash-rou-02e093-merit-systems.vercel.app
NRStableMediahost:stable-media-git-ben-test-agentcash-router-pr-241-merit-systems.vercel.app
NRStableMediahost:stable-media-git-ben-test-agentcash-router-pr-227-merit-systems.vercel.app
NRStableMediahost:stable-media-git-ben-test-agentcash-router-pr-212-merit-systems.vercel.app
NRStableJobshost:stable-jobs-git-ben-test-agentcash-router-pr-241-merit-systems.vercel.app
NRStableJobshost:stable-jobs-git-ben-test-agentcash-router-pr-227-merit-systems.vercel.app
NRStableJobshost:stable-jobs-git-ben-test-agentcash-router-pr-212-merit-systems.vercel.app
NRStableBrowserhost:stable-browser-git-stablebrowser-public-live-view-merit-systems.vercel.app
NRStableBrowserhost:stable-browser-git-shafu-stablebrowser-han-020dc6-merit-systems.vercel.app
NRStableBrowserhost:stable-browser-git-shafu-stablebrowser-410-220925-merit-systems.vercel.app
NRStableBrowserhost:stable-browser-git-ben-test-agentcash-rout-1850e3-merit-systems.vercel.app
NRSQLPermit — Deterministic PostgreSQL statement policy checks with a signed, statement-bound execution permit.host:sqlpermit.schemasure.com
NRspecdelta-kl4hfo6j2q-as.a.run.apphost:specdelta-kl4hfo6j2q-as.a.run.app
NRSkim™ — The Canonical x402 Reader™host:skim402.com
NRAI Advisory & Agentic Research Harness | SentEdge AIhost:sentedge.ai
NRsendquotenow.comhost:sendquotenow.com
NRscry · the storehost:scry.moreright.xyz
NRScoreStatus — live sports in your status linehost:scorestatus.dev
NRSchemaSure — Turn messy text, HTML, or document images into guaranteed schema-valid JSON, or pay nothing.host:schemasure.com
NRsat.ipintel.aihost:sat.ipintel.ai
NRFree OSHA injury & inspection data by company · Safety Incidentshost:safetyincidents.org
NRsaferoute-x402-production.up.railway.apphost:saferoute-x402-production.up.railway.app
NRSafeFetch — Retrieve a hostile web page safely: clean Markdown, citation anchors, and decoded evidence of what the page was trying to say to your agent.host:safefetch.schemasure.com
NRrpc.nodeflare.apphost:rpc.nodeflare.app
NRReplenum - Agent Reputation Infrastructurehost:replenum.com
NRResearch Verification APIs — Pay Per Requesthost:red-breeze-8b8c.keenanbooker83.workers.dev
NRquantum-artificer.surewhynot.apphost:quantum-artificer.surewhynot.app
NRqr.x402tools.xyzhost:qr.x402tools.xyz
NRHow to read this registry. Status is what happened the last time that listing was called, and “Last observed” is the date of that call — the sweep is rolling, so those dates differ between rows. “Never probed” means no liveness observation has ever been recorded for the listing. NR means the evidence floor has not been met; it is not a low grade. Payment flow is observed inbound USDC within a disclosed Base block range, not revenue or proof of ownership.