MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

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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.

Connect your agent

4737 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
rentgpu GPU rental price market data

Hourly GPU rental prices; coverage updated daily. Free listing, paid queries via x402 on Base.

Finance & CryptoData access / search

Responded584 ms12 / 22
Blue Cap Machine Commerce

Deterministic MCP utilities, validation, evidence verification, and x402 commerce on Base.

Finance & CryptoPayments & trading

Responded590 ms12 / 22
dev.journalize/journalize

Agent-native double-entry accounting ledger with x402 micropayments

Finance & CryptoPayments & trading

Responded598 ms12 / 22
Crypto, web, finance and app data tools

185 tools: company jobs, token/wallet/company/website reports, crypto, EVM, SEC, FRED, weather, DNS.

Finance & CryptoPayments & trading

Responded599 ms12 / 22
365rwa RWA structured data (Chinese-language RWA intelligence)

Chinese RWA data: verification, scorecards, issuances, licenses, market, regulatory via x402.

Finance & CryptoPayments & trading

Responded600 ms12 / 22
ATK Magazine (sample content)

[SAMPLE / TEST CONTENT] Search ATK Magazine; articles $0.20 USDC on Base mainnet via x402.

Finance & CryptoPayments & trading

Responded606 ms12 / 22
io.github.oswarld/technical

Technical analysis (RSI, MA, signal score) for 9,400+ global stocks, by ticker or name.

Finance & CryptoPayments & trading

Responded611 ms12 / 22
Japan Business Day

Japan business days & holidays (official Cabinet Office data). Free tool + x402 USDC paid tools.

Finance & CryptoPayments & trading

Responded616 ms12 / 22
SacrosanctSpace

Buy per-use Spaces (small paid tools) on s-space.ai with USDC on Base. No account needed.

Finance & CryptoPayments & trading

Responded617 ms12 / 22
Well Told

Design custom logo and map gifts (glassware, tumblers): proofs, 3D previews, quotes and checkout.

Finance & CryptoPayments & trading

Responded619 ms12 / 22
LMX Cloud LLM Inference

OpenAI-compatible LLM MCP (7 tools); chat via balance key or x402 USDC on Base

Finance & CryptoAI / LLM tooling

Responded626 ms12 / 22
io.github.ucunhome/ucun-select

Wholesale home textile sourcing: in-stock bedding & fabrics with prices and MOQ. Nantong, China.

Finance & CryptoCode & DevOps

Responded641 ms12 / 22
ClawdMarket

Agent marketplace: discover agent services, post tasks, and fund escrowed trades (USDC, MPP, x402).

Finance & CryptoPayments & trading

Responded642 ms12 / 22
DNAAI prediction ledger

Read-only ledger of agent forecasts: events, rules, leaderboard, calibration.

Finance & CryptoPayments & trading

Responded653 ms12 / 22
Vermarco

Marketplace and payment rail for AI agents: list, buy and settle with signed receipts.

Finance & CryptoPayments & trading

Responded653 ms12 / 22
RealEVR Estates

Search real homes in Africa (rent, BnB, sale, bank sales) with 360° virtual tours.

Finance & CryptoData access / search

Responded660 ms12 / 22
Chain Check (x402)

x402-paid on-chain tools: wallet report, contract scan, token risk, gas, address labels (USDC/Base)

Finance & CryptoPayments & trading

Responded674 ms12 / 22
Content Ops PL

Polish content MCP tools via x402: LinkedIn draft, anti-slop edit, week plan.

Finance & CryptoPayments & trading

Responded679 ms12 / 22
Deep Values

Value investing for US stocks: SEC filings, 13F guru holdings, intrinsic value, AI briefings.

Finance & CryptoPayments & trading

Responded683 ms12 / 22
Responded685 ms12 / 22
Blixtworks

63 pay-per-call tools for agents: vision, text, data, web, blockchain. USDC on Base via x402.

Finance & CryptoPayments & trading

Responded691 ms12 / 22
Agents Get Paid Kit — x402 MCP + Unlock ($49)

x402 MCP get-paid path: USDC, spend caps, AUP, $49 kit. CAPTCHA/web-unlock for payment-ready agents.

Finance & CryptoPayments & trading

Outdated check691 ms12 / 22
RESET Verifica

Deterministic Mexican/LatAm verification + sanctions & PEP screening for AI agents. Pay via x402.

Finance & CryptoPayments & trading

Responded700 ms12 / 22
com.cerberusindex/cerberus-index

XRPL token rug-checks, issuer reputation & AMM data for AI agents. Pay-per-call USDC via x402.

Finance & CryptoPayments & trading

Responded707 ms12 / 22

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