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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4683 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
Global FinReg

Look up any LEI; register, renew and transfer LEIs and get invoices for a Global FinReg user.

Finance & CryptoData access / search

Responded128 ms14 / 22
WebsterBerry Synaptic

Pay-per-call US public data for agents: OFAC, SEC, FMCSA, NPI, VIN recalls, SAM.gov. x402 USDC.

Finance & CryptoPayments & trading

Responded129 ms14 / 22
app.doorbase/market-data

US rental market data by zip: rent, cap rates, vacancy, hazard risk, rent trends. Free, no auth.

Finance & CryptoData access / search

Responded129 ms14 / 22
History of Market

Read-only U.S. stock market history: S&P 500 since 1928, CAPE, drawdowns, index changes.

Finance & CryptoPayments & trading

Responded129 ms14 / 22
ISHOB Knowledge Archive

License-checked research archive and technical-spec search for AI agents. Pay per call via x402.

Finance & CryptoData access / search

Responded130 ms14 / 22
GlanceDesk

Checked calculators for money, tax, crypto, engineering and compliance, each with formula and source

Finance & CryptoPayments & trading

Responded130 ms14 / 22
cc.ticktape/mcp

Polymarket preflight verdicts: OK/CAUTION/VETO on orders, COPY/WATCH/VETO on wallets. x402-paid.

Finance & CryptoPayments & trading

Responded131 ms14 / 22
STEL Order MCP by usefulapi

Read clients, invoices, orders and stock; create or update clients, add contacts in STEL Order.

Finance & CryptoPayments & trading

Responded131 ms14 / 22
Agent Vending Factory

Pay-per-call MCP tools via x402 USDC: ZAR prices, data extraction, Python sandbox, SA flights.

Finance & CryptoPayments & trading

Responded131 ms14 / 22
Lezzoo

Order food, groceries & pharmacy delivery in Kurdistan & Iraq: search, menus, cart, checkout.

Finance & CryptoPayments & trading

Responded133 ms14 / 22
Galactic Radar exit check

Token exit checks (live sell quote, round trip, warnings; x402 USDC) + free GBRIDGE market data.

Finance & CryptoData access / search

Responded133 ms14 / 22
CareLineLive MCP by usefulapi

Read carers, teams, leave and visit rounds; update carer payroll codes in CareLineLive.

Finance & CryptoPayments & trading

Responded133 ms14 / 22
Brandboom MCP by usefulapi

Search showrooms, products, orders, customers, invoices and shipments in Brandboom.

Finance & CryptoPayments & trading

Responded135 ms14 / 22
x402 Agent Hub

Onchain reads, SEC company financials, company & people enrichment, token verdicts via x402 USDC

Finance & CryptoPayments & trading

Outdated check135 ms14 / 22
Agent Paywire library

Library (L402, x402, Lightning, stablecoins): 18 read-only tools plus 3 writers.

Finance & CryptoPayments & trading

Responded137 ms14 / 22
Mintsoft MCP by usefulapi

Read orders, products, stock, ASNs and returns; add order comments and tags in Mintsoft.

Finance & CryptoPayments & trading

Responded137 ms14 / 22
eu.gridgarden/studio

Design & price modular raised garden beds and walls: exact bill of materials, EUR price + checkout.

Finance & CryptoPayments & trading

Responded139 ms14 / 22
VERIDEX

Verify Spanish companies by CIF: registry data, status and BORME filings, paid per call over x402.

Finance & CryptoPayments & trading

Outdated check140 ms14 / 22
well-008-text-stats

https text to counts and sha256. x402 $0.005 USDC, Base. As is, no warranty.

Finance & CryptoPayments & trading

Responded141 ms14 / 22
WORKMINE

x402 pay-per-call APIs over MCP, settled in USDC on Base for autonomous agents and developers.

Finance & CryptoPayments & trading

Responded141 ms14 / 22
com.eckari/capabilities

Deterministic company, entity and location lookups for agents - per call, x402 or API key.

Finance & CryptoData access / search

Responded143 ms14 / 22
io.github.parkyucheol-del/alphapipeline

Pay-per-call x402 API for AI trading agents: pre-trade security checks, Polymarket & HIP-4 odds.

Finance & CryptoPayments & trading

Outdated check143 ms14 / 22
SatoshiMacro Market Data

Live crypto cycle data: 48-signal Bitcoin cycle model, Bitcoin ETF flows, ASX ETFs, altseason

Finance & CryptoData access / search

Responded144 ms14 / 22
MCPFax Macro & Market Intelligence

Prices and rates that state when they were observed, so you know what you are trusting.

Finance & CryptoData access / search

Responded146 ms14 / 22

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