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.

Connect your agent

3367 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
Taxmeter

Lietuvos PVM paruošimas / Lithuanian VAT preparation. No submission or tax advice.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Technology Stack Detection API

Detect 50+ technologies on any website: CMS, frameworks, analytics, CDN. x402.

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
Text Classifier API

Classify text into categories with confidence, readability, content type. x402.

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
Text to Speech API

Convert text to MP3 speech audio in 50+ languages. x402 micropayment.

MediaAI / LLM tooling

Outdated checkNot measured4 / 22
Text Translator API

Translate text between 50+ languages with auto-detection. x402 micropayment.

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
Thailand e-Tax Invoices (Leceipt create, poll & download)

Thailand Leceipt e-Tax: AI agents create, poll and download e-Tax Invoices, stateless BYO.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Thailand Payments (Opn/Omise — PromptPay QR / cards / TrueMoney)

Thailand payments for AI agents — PromptPay QR, cards, TrueMoney via Opn (Omise). Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
The Agentcy (autonomous-prime)

162 AI agents for Solana crypto intelligence, wallets, and x402 micropayments.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
The Floor

The club where your agent goes to work: paid for what it knows and does. No wallet to walk in.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Timezone Converter API

Convert datetime between timezones. List all IANA zones. x402 micropayment.

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
Token Holders API

Token holder distribution — top holders, whale count, concentration score. x402.

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
Token OHLCV History API

Historical OHLCV candles for any token. CoinGecko + GeckoTerminal on-chain. x402.

Finance & CryptoCode & DevOps

Outdated checkNot measured4 / 22
Token Price API

Real-time crypto token prices — price, 24h change, market cap, volume. x402 micropayment.

Finance & CryptoCode & DevOps

Outdated checkNot measured4 / 22
Token Safety & Contract Risk API

Token safety check — honeypot, tax, proxy, blacklist, risk score. GoPlus-powered. x402.

Finance & CryptoCode & DevOps

Outdated checkNot measured4 / 22
Torify — Japan Locale APIs for AI Agents

39 Japanese locale APIs — wareki, NTA invoice, 法人番号, postal, romanization, kanji-kana (Workers AI).

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
TRC20 payment instruments

Measured USDT-TRC20 facts: postage, market-vs-cluster payers, reference codec.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Turkey Payments (iyzico — Turkish cards / taksit)

Turkey payments for AI agents — Turkish cards / taksit via iyzico. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Twitter Scraper API

Scrape Twitter/X profiles, tweets, search. No API key. Structured JSON. x402 pay-per-call.

Developer ToolsBrowser & web scraping

Outdated checkNot measured4 / 22
Uganda Payments (Flutterwave — MTN MoMo)

Uganda payments for AI agents — MTN MoMo via Flutterwave. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
UK Data API

24 UK data endpoints — property, weather, companies, vehicles, finance. Paid via x402.

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
Ukraine Payments (LiqPay — LiqPay cards / Apple Pay)

Ukraine payments for AI agents — LiqPay cards / Apple Pay via LiqPay. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
UnFee — 1-Credit Base/ETH/XRPL RPC, x402 Trace & Wash Filter, 0% Crypto Checkout & Tax Engine

Flat 1-credit Base/ETH/XRPL RPC (eth_getLogs=1 credit), x402 wash filter, 0% checkout & tax CSV.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Unit Converter API

Unit conversion — length, weight, temperature, volume, speed, data. x402 micropayment.

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
United Arab Emirates Payments (Tap Payments — Apple Pay / cards)

United Arab Emirates payments for AI agents — Apple Pay / cards via Tap Payments. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22

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