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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4051 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
BTC DCA Engine

Historical dollar-cost-averaging simulator for Bitcoin and other assets.

Finance & CryptoPayments & trading

Responded366 ms14 / 22
OpenBoss

Public internet HP bar. Agents smack it over MCP. They cannot complete payment.

Finance & CryptoPayments & trading

Outdated check370 ms14 / 22
Private AI Media Generation

Paid AI image/video generation for agents — x402 USDC or API key, no account needed.

MediaPayments & trading

Responded371 ms14 / 22
Dogechain

Dogecoin blockchain lookups: transactions explained, addresses, blocks, fees, supply and charts.

Finance & CryptoPayments & trading

Responded371 ms14 / 22
Africa Take-Home Pay

Take-home pay, PAYE and payroll contributions in Ghana, Kenya, Nigeria and South Africa.

Finance & CryptoPayments & trading

Responded372 ms14 / 22
Launchelion

Daily leaderboard of newly-launched AI tools with real launch dates and Stripe-verified revenue.

Finance & CryptoPayments & trading

Responded374 ms14 / 22
PrepLayer.ai

Deterministic text prep for agents. Pay per call via x402 USDC.

Finance & CryptoPayments & trading

Outdated check387 ms14 / 22
Autrady

Is a trading strategy's track record luck? Free luck check, plus what a full strategy audit checks.

Finance & CryptoPayments & trading

Responded391 ms14 / 22
Midpoint Card Prices

Trading card prices and grading ROI for 1.5M+ Pokémon, Magic, Yu-Gi-Oh! and sports cards. Read-only.

Finance & CryptoPayments & trading

Outdated check398 ms14 / 22
Vibe Springs

Pay-per-use weather, environment, finance, and on-chain intelligence tools for AI agents via x402.

Finance & CryptoPayments & trading

Responded411 ms14 / 22
Jock Taxes for Claude

Pro athlete after-tax salary calculators for MLB, NBA, NFL and NHL, built for Claude.

Finance & CryptoPayments & trading

Responded412 ms14 / 22
Service Fusion MCP by usefulapi

Read Service Fusion customers, jobs, estimates, invoices and schedule; create customers and jobs.

Finance & CryptoPayments & trading

Responded413 ms14 / 22
Rule Trade - Japanese equity verification layer

Verified Japanese equity studies: 50 anomalies, 26 indicators, 12 candlesticks, events, ETF decay.

Developer ToolsPayments & trading

Responded420 ms14 / 22
AccountsOS

Query your live AccountsOS books: balances, transactions, VAT, deadlines, invoices.

Finance & CryptoPayments & trading

Outdated check421 ms14 / 22
LuckPanda Document Tools

Create invoices, quotes, receipts and credit notes with GST or VAT, as prefilled links or PDFs.

Finance & CryptoPayments & trading

Responded424 ms14 / 22
InvoiceVerify

Check Peppol receivability (incl. Belgian client lists) and validate EU e-invoices. Free check.

Finance & CryptoPayments & trading

Responded429 ms14 / 22
BaseLens

Base on-chain data for agents: balances, prices, transfers, Basenames, contracts. x402 pay-per-call.

Finance & CryptoPayments & trading

Responded432 ms14 / 22
io.github.epistemedeus/x402-data-gateway

Agent tools for discovery, payment safety, data extraction, and DeFi.

Finance & CryptoPayments & trading

Responded433 ms14 / 22
Código 07 · Human verification in Peru

Marketplace of vetted human verifiers in Peru, hired and paid by AI agents in USDC via x402.

Finance & CryptoPayments & trading

Responded441 ms14 / 22
io.github.wizard-exe/stoxly

Free stock, ETF & crypto analysis: 10-point score, verdict and key metrics for any ticker.

Finance & CryptoPayments & trading

Responded444 ms14 / 22
DiarioBitcoin

Spanish crypto, Bitcoin, AI and finance news since 2014. Free search and excerpts, paid full text.

Finance & CryptoPayments & trading

Responded445 ms14 / 22
DCA Method — backtests & calculators

Dollar-cost-averaging backtests on real historical data for crypto, stocks and commodities.

Finance & CryptoPayments & trading

Responded446 ms14 / 22
Deposit by Ouroboros Apps

Freelance deposit and payment schedule for AI assistants

Finance & CryptoPayments & trading

Outdated check446 ms14 / 22
Desk by Ouroboros Apps

Customer support answers, refund rules, and escalation limits for AI assistants

Developer ToolsPayments & trading

Outdated check447 ms14 / 22

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