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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4136 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
Echo Sentiment — XLM Market Sentiment

XLM (Stellar) market sentiment for agents — keyless, pay-per-call via x402 (USDC on Base).

Finance & CryptoPayments & trading

Responded724 ms11 / 22
com.jpyc-service/ec-storefront

JPYC (JPY stablecoin) EC platform MCP: product search, x402 gasless checkout, order status.

Finance & CryptoPayments & trading

Responded733 ms11 / 22
Plumb Data Exchange

Verified table jobs and RPC-free payment verification (Base/Ethereum). Pay per call via x402.

Finance & CryptoPayments & trading

Responded746 ms11 / 22
Product Admin by Nova (CIVAI)

I manage your Nova products, create/update/delete, payment & logistics config, icons, webhook secre…

Finance & CryptoPayments & trading

Responded747 ms11 / 22
io.github.arbonomous/curvecall

Pay-per-call market math + token intel: USDC Base/Solana + shielded ZEC HTTP, MCP USDC, $0.001-$0.02

Finance & CryptoPayments & trading

Responded793 ms11 / 22
XH Agents Connector (read-only)

Read-only XH Agents MCP connector: service catalogue, payment info, verification checks.

Finance & CryptoPayments & trading

Responded795 ms11 / 22
Email Preflight

x402 v2 payment requests; relays compatible clients' signed payments to the existing product API.

Finance & CryptoPayments & trading

Responded969 ms11 / 22
MOSN Solana Safety

Solana token rug checks and safety-checked Jupiter swaps for AI agents; paid data via x402.

Finance & CryptoPayments & trading

Responded972 ms11 / 22
io.github.iainkek/flipr-x402

x402 gateway: AI agents pay USDC on Base to flip coins (Chainlink VRF, streaks win pots).

Finance & CryptoPayments & trading

Responded1013 ms11 / 22
ox-alpha signals

AI-operated crypto signal scores for 20 Coinbase USDC pairs. $0.001/call via x402.

Finance & CryptoPayments & trading

Responded1051 ms11 / 22
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
IBAN Validation MCP

Validate IBANs in 111 countries; bank directory checks for DE, AT, BE, FR, LU, NL, PT and ES.

Finance & CryptoPayments & trading

Responded1159 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
MakeChoice Personality Test and Giving

Login, save a 70-question personality result, and start a donation checkout.

Finance & CryptoPayments & trading

Responded1335 ms11 / 22
CN Evidence

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

Finance & CryptoPayments & trading

Responded1701 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/aegis

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

Finance & CryptoPayments & trading

Responded1858 ms11 / 22
Flowering UCP

UCP 2026-08-25 for Flowering: katalog, kurv og checkout med overdragelse til flowering.dk.

Finance & CryptoPayments & trading

Responded1931 ms11 / 22
io.github.amitblecher/trade-manager

Backtest any trading setup on the S&P 500 vs random days, and see which stocks matched today.

Finance & CryptoPayments & trading

Responded2170 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

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