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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4740 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
Web Search & Data API

Web search, scraping, Google Trends and data lookups. Paid per call in USDC on Base via x402.

Finance & CryptoData access / search

Responded754 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
Alpha (Mossland)

Korean crypto × AI media MCP — channel stance, daily briefs, RAG, canonical store, AI personas.

Finance & CryptoAI / LLM tooling

Responded992 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
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
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
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
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
BeautifiedYou

Search professional skincare and supplements, see prices and stock, build a cart, and check out.

Finance & CryptoData access / search

Responded2293 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

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