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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4677 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
Mail Security Tools

DMARC/SPF/DKIM/MX checks, email score, 100-domain bulk score, webhook watch alerts (x402 USDC).

Finance & CryptoPayments & trading

Responded111 ms14 / 22
geld machen x402 agent utilities

x402 pay-per-call agent tools (Base USDC): web search, URL extract, OCR, Base tx & allowance scans

Finance & CryptoData access / search

Responded113 ms14 / 22
Teamleader Focus MCP by usefulapi

Read Teamleader Focus contacts, companies, deals, invoices, projects; create deals, tasks.

Finance & CryptoPayments & trading

Responded113 ms14 / 22
com.economicium/mcp

Free finance and trading calculators as MCP tools: risk/reward, RMD, Coast FIRE, inflation.

Finance & CryptoPayments & trading

Responded114 ms14 / 22
Lawcus MCP by usefulapi

Read Lawcus contacts, matters, leads, time and billing reports; create contacts and tasks.

Finance & CryptoPayments & trading

Responded114 ms14 / 22
Sputnik X — AI-Agent-Native Intelligence

Sputnik X: 16 free MCP tools and EU Trade via authenticated REST and x402.

Finance & CryptoPayments & trading

Responded115 ms14 / 22
DalalOS: Indian Stock Market Research (NSE/BSE)

Filing-grounded Indian stock research (NSE/BSE): financials, ratios, screens. Sourced and dated.

Finance & CryptoPayments & trading

Outdated check117 ms14 / 22
DexPaprika

DEX and on-chain data: liquidity pools, token prices, swaps, and trading volume.

Finance & CryptoPayments & trading

Responded118 ms14 / 22
Ginesys MCP by usefulapi

Look up items; create sales orders; reserve and cancel order stock in Ginesys.

Finance & CryptoData access / search

Responded118 ms14 / 22
Toolcall

30 pay-per-call APIs for AI agents: compliance, trade, safety, web, data. USDC on Base via x402.

Finance & CryptoPayments & trading

Outdated check119 ms14 / 22
The UI Index

Real website screens for UI inspiration: login, pricing, checkout and more from live sites.

Finance & CryptoPayments & trading

Responded120 ms14 / 22
Harbor Crew Cross-Chain Report

Paid read-only reports for 1–5 EVM addresses across four networks; 0.02 supported stablecoin direct.

Finance & CryptoPayments & trading

Responded120 ms14 / 22
NORTH7 Finance Trading Signals & Stock Market Intelligence

Stock trading signals, commodity risk scores, sector radar, market risk index. Free tier.

Finance & CryptoPayments & trading

Outdated check120 ms14 / 22
RTK Motion — Motion Capture, Biomechanics, Threat & Fleet Intelligence

Mocap, rehab biomechanics, threat intel, fleet vision. 21 MCP tools, 10 free. x402/USDC paid.

Finance & CryptoPayments & trading

Responded121 ms14 / 22
BotInfo — Advanced Robot Market Data

Checkout-verified prices, stock, US FCC status and buy routes for humanoid and quadruped robots

Finance & CryptoData access / search

Responded123 ms14 / 22
Heartland Retail MCP by usefulapi

Read items, stock, customers and sales orders; create and update customers in Heartland Retail.

Finance & CryptoPayments & trading

Responded123 ms14 / 22
GrabGPU

Cloud GPU prices with live stock from 22 providers. Find where to rent an H100 or B300 now.

Finance & CryptoPayments & trading

Responded125 ms14 / 22
EXVIV Competitive Intelligence

Reviewed competitor pricing, offer comparisons, and market-change evidence with x402 payments.

Finance & CryptoPayments & trading

Responded125 ms14 / 22
Weekend Gap Board

Tokenized-stock weekend gaps vs Friday close, issuer dispersion, HIP-3 perps, cross-venue funding

Finance & CryptoPayments & trading

Responded126 ms14 / 22
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

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