MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

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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

3365 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
MemeSwap MCP

Buy & research hot/new memes. Quotes + unsigned swaps; wallet signs. Not a launcher. Fee 0.85%. NFA.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
MERXAT

Discover admitted MERXAT products and check capabilities; payment governed server-side.

Finance & CryptoPayments & trading

UnreachableNot measured4 / 22
Mexico Payments (Mercado Pago — OXXO cash)

Mexico payments for AI agents — OXXO cash via Mercado Pago. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Mianshi Web3 Jobs Market Data

Web3 jobs: 4,411 live roles, 350 companies. Free stats; paid $0.02/query via x402 (USDC).

Finance & CryptoData access / search

Outdated checkNot measured4 / 22
Myncellium Paid MCP

Pay-per-call MCP tools over x402 (USDC/Solana): LLM, utilities, x402 market and model prices.

Finance & CryptoPayments & trading

UnreachableNot measured4 / 22
Nepal Payments (Khalti — Khalti wallet)

Nepal payments for AI agents — Khalti wallet via Khalti. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Netherlands Payments (Mollie — iDEAL)

Netherlands payments for AI agents — iDEAL via Mollie. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
New Zealand Payments (Stripe — cards / Apple Pay)

New Zealand payments for AI agents — cards / Apple Pay via Stripe. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
NFT Floor Price & Rarity API

NFT collection floor price, volume, holders, rarity rank via Reservoir. ETH + Base. x402.

Finance & CryptoCode & DevOps

Outdated checkNot measured4 / 22
NFT Metadata API

Fetch NFT metadata — name, image, traits from contract+tokenId. x402 micropayment.

Finance & CryptoCode & DevOps

Outdated checkNot measured4 / 22
Nigeria Payments (Paystack — bank transfer / USSD)

Nigeria payments for AI agents — bank transfer / USSD via Paystack. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Norway Payments (Stripe — cards / Klarna)

Norway payments for AI agents — cards / Klarna via Stripe. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
OCR Text Extraction API

Extract text from images using OCR. Tesseract-powered. x402 micropayment.

MediaCode & DevOps

Outdated checkNot measured4 / 22
Oman Payments (Tap Payments — cards / Apple Pay)

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

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Onchain Intel (x402)

Pay-per-call crypto intel via x402: honeypot/rug check, whale flows, unlocks, MEV, liquidation risk

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Onyx AML

Crypto address risk checks for agents: USDT/USDC blacklists, sanctions, scam lists, poisoning

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Open Agent Marketplace Lab

USDC/x402 agent marketplace. Verified Base mainnet pilot, testnet and public enrollment.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
OpenClaw Trust Scorer

Solana wallet trust scoring: tier, tx count, balance, liveness.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Orbis API Marketplace

Browse, subscribe to, and call 3,000+ APIs autonomously. x402 USDC pay-per-call on Base.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Order Book Depth API

Uniswap V3 pool liquidity depth analysis — price impact at 1/2/5/10% levels. x402.

Developer ToolsPayments & trading

Outdated checkNot measured4 / 22
OSVcalc

Czech OSVČ tax calculator: income tax, social and health insurance, VAT, paušální daň.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Pakistan Payments (Safepay — Safepay checkout)

Pakistan payments for AI agents — Safepay checkout via Safepay. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Password Strength Analyzer API

Password strength scoring with entropy, crack time estimation, common password detection. x402.

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
PayAI x402 Facilitator

Verify and settle x402 stablecoin payments; browse the PayAI Bazaar of x402-payable resources.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22

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