MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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

4626 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
Defontana MCP by usefulapi

Read sales, purchases, stock, receivables and accounting vouchers in Defontana.

Finance & CryptoPayments & trading

Responded96 ms15 / 22
Doichain

Proof of existence, names and chain data of the Doichain blockchain for AI agents

Finance & CryptoPayments & trading

Outdated check97 ms15 / 22
inv.bg MCP by usefulapi

Read inv.bg invoices, clients, items, payments and banking; create clients, items, invoices.

Finance & CryptoPayments & trading

Responded100 ms15 / 22
DevX Token Snapshot

ERC-20 price, liquidity, pools, holder hints, risk flags on 7 EVM chains. Paid 0.003 USDC via x402.

Finance & CryptoPayments & trading

Outdated check100 ms15 / 22
PikaSim

Anonymous eSIMs, phone numbers, and SMS codes in 190+ countries. Crypto-paid; agents self-onboard.

Finance & CryptoCommunication & messaging

Outdated check100 ms15 / 22
Qoblex MCP by usefulapi

Read products, stock levels, sale and purchase orders, customers and suppliers in Qoblex.

Finance & CryptoPayments & trading

Responded101 ms15 / 22
ProxyRange

Residential proxy checkout prices, terms and sourcing checks, every fact dated and sourced.

Finance & CryptoPayments & trading

Outdated check103 ms15 / 22
Gingr MCP by usefulapi

Read Gingr reservations, owners, pets, check-ins, invoices and timeclock for your pet-care business.

Finance & CryptoPayments & trading

Responded105 ms15 / 22
F-sąskaita MCP by usefulapi

Read invoices, expenses and PDFs; create invoices and record expenses in F-sąskaita.

Finance & CryptoPayments & trading

Responded111 ms15 / 22
Veeqo MCP by usefulapi

Read Veeqo orders, products, stock, warehouses, customers and POs; add notes, tag, set stock.

Finance & CryptoPayments & trading

Responded112 ms15 / 22
Zettle MCP by usefulapi

Read sales, products, stock, balance and payouts; create products in Zettle.

Finance & CryptoPayments & trading

Responded113 ms15 / 22
Cin7 Core MCP by usefulapi

Read Cin7 Core products, stock by location, sales, purchases, customers, suppliers and transfers.

Finance & CryptoPayments & trading

Responded113 ms15 / 22
Taiwan Market Open Data (Unofficial)

Unofficial. TWSE & TAIFEX open data for AI: stock, ETF & futures snapshots, quotes, 270+ datasets.

Finance & CryptoCode & DevOps

Responded113 ms15 / 22
patternfetch

US stocks, ETFs, crypto → compact brief: patterns, S/R, regime + base rates vs baseline. Not advice.

Finance & CryptoCode & DevOps

Outdated check113 ms15 / 22
ccpcrate — Canadian CCPC corporate tax

Deterministic Canadian CCPC rate stack: small business deduction and grinds, Part IV, RDTOH.

Finance & CryptoPayments & trading

Outdated check114 ms15 / 22
Collmex MCP by usefulapi

Review Collmex customers, products, invoices and orders; create customers and addresses.

Finance & CryptoPayments & trading

Responded115 ms15 / 22
Maqplan ERP MCP by usefulapi

Read customers, products, sales orders, invoices, NF-e and financial entries in Maqplan ERP.

Finance & CryptoPayments & trading

Responded116 ms15 / 22
AI Trading Signals

Live crypto trading signals for AI agents: entry, stop, target, reasoning and verified outcomes.

Finance & CryptoPayments & trading

Responded117 ms15 / 22
Gorelo MCP by usefulapi

Read tickets, devices, alerts and invoices; create tickets, add comments, log time in Gorelo.

Finance & CryptoPayments & trading

Responded118 ms15 / 22
Hobok MCP by usefulapi

Read invoices, customers and products; issue invoices and record payments in Hobok.

Finance & CryptoPayments & trading

Responded121 ms15 / 22
Orb MCP by usefulapi

Read Orb customers, subscriptions, invoices, usage and costs; create or update customers.

Finance & CryptoPayments & trading

Responded122 ms15 / 22
Chargebee MCP by usefulapi

Read Chargebee customers, subscriptions, invoices, items, transactions, credit notes and coupons.

Finance & CryptoPayments & trading

Responded124 ms15 / 22
Braintree MCP by usefulapi

Search Braintree transactions, customers and payment methods, and refund or void charges.

Finance & CryptoPayments & trading

Responded124 ms15 / 22
Channable MCP by usefulapi

Read marketplace orders and returns; send shipment, cancellation and stock updates.

Finance & CryptoPayments & trading

Responded125 ms15 / 22

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