MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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3359 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
Agent Procurement Manager (APM)

Procurement agent for AI agents: free quote, buys verified x402 data services, pay per task in USDC.

Finance & CryptoPayments & trading

Responded1140 ms11 / 22
falcon.sol structures

Price crypto structured notes (autocallables, shark fins, range accruals) via Monte Carlo; x402.

Finance & CryptoCode & DevOps

Responded1189 ms11 / 22
TokenGuard

Solana token rug check before you buy: SAFE/CAUTION/DANGER from chain state, paid per call via x402.

Finance & CryptoPayments & trading

Responded1195 ms11 / 22
Agent Newsstand

Market data and web intelligence for AI agents, paid per call in USDC on Base via x402.

Finance & CryptoData access / search

Responded1246 ms11 / 22
CN Evidence

China company tools via MCP; separate HTTP x402 screening reports and QCC qualifications.

Finance & CryptoPayments & trading

Responded1701 ms11 / 22
call402 — x402 Agent Services

x402 pay-per-call APIs for agents: web search, wallet/token checks, text structuring.

Finance & CryptoData access / search

Responded1720 ms11 / 22
com.borisinc/tools

Pay-per-call AI tools over x402: web research, summarization, structured extraction (USDC, Base).

Finance & CryptoPayments & trading

Responded1789 ms11 / 22
com.borisinc/gamedatakit

Live Steam market data for AI agents: top sellers, deals, player counts. Paid per call via x402.

Finance & CryptoData access / search

Responded1848 ms11 / 22
com.borisinc/aegis

Trust layer for the x402 economy - check any service before you pay. Scores, discovery, routing.

Finance & CryptoPayments & trading

Responded1858 ms11 / 22
com.borisinc/memory

Persistent agent memory paid per call via x402 USDC. Your wallet is your private memory namespace.

Finance & CryptoPayments & trading

Responded2173 ms11 / 22
falcon.sol comps

falcon.sol: SEC EDGAR financials, trading comps, credit and LBO via x402 (free preview).

Finance & CryptoPayments & trading

Responded2812 ms11 / 22
falcon.sol docs: bank statement extraction for agents (x402)

Bank statement extraction for agents: transactions, ADB, NSF, MCA metrics, plus invoices. x402.

Finance & CryptoPayments & trading

Responded2931 ms11 / 22
TokenGuard

Solana rug check before you buy: SAFE/CAUTION/DANGER from chain state. Free key or x402.

Finance & CryptoPayments & trading

Responded3109 ms11 / 22
AgentRXI

232 pay-per-call agent tools: LLMs, search, browser, OCR, media, vision, email. x402 USDC.

Finance & CryptoPayments & trading

Responded1252 ms11 / 22
com.airblockfz/commodity-signal

Commodity futures bottom/top signals: 28 futures, verdict + score, scans. Pay-per-call x402.

Finance & CryptoPayments & trading

Responded61 ms11 / 22
Omega x402 Security, Biomed & Escrow Intelligence MCP

7 x402 v2 pay-per-call MCP tools for FDA/ChEMBL, token rug scan, Base escrow & wallet forensics.

Finance & CryptoPayments & trading

Responded66 ms11 / 22
com.airblockfz/dubai-property-signal

Dubai property signals: 42 areas, AED/sqft index, verdict + rankings. Pay-per-call x402.

Finance & CryptoPayments & trading

Responded66 ms11 / 22
com.airblockfz/inflation-signal

Inflation & Fed liquidity thermometer: 47 macro series, too_low..too_high. Pay-per-call x402.

Finance & CryptoPayments & trading

Responded67 ms11 / 22
aeX402 — Cross-Chain DeFi MCP: LINQ, AMM, Bridge, AI

Agent MCP for DeFi: cross-chain LINQ fan-out, AMM quotes/swaps, bridge, AI. Solana+EVM. Free+x402.

Finance & CryptoPayments & trading

Responded67 ms11 / 22
x402 Doctor

Diagnose x402 seller endpoints: what is wrong with your 402 challenge, and how to fix it.

Finance & CryptoPayments & trading

Responded70 ms11 / 22
com.airblockfz/fx-signal

FX bottom/top signals: 48 pairs (USD/KRW base), verdict + score, scans. Pay-per-call x402.

Finance & CryptoPayments & trading

Responded77 ms11 / 22
com.airblockfz/stock-signal-us

US stock bottom/top signals: S&P500 + indexes, verdict + score, scans. Pay-per-call x402.

Finance & CryptoPayments & trading

Responded78 ms11 / 22
com.airblockfz/stock-signal-kr

Korea stock (KOSPI/KOSDAQ) bottom/top signals: verdict + score, scans. Pay-per-call x402.

Finance & CryptoPayments & trading

Responded80 ms11 / 22
com.airblockfz/seoul-apt-signal

Seoul apartment signals: 25 districts from official transactions, scans. Pay-per-call x402.

Finance & CryptoPayments & trading

Responded95 ms11 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence