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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4740 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
AgentPay Gate v4.0 MCP

Drop-in x402 v2 PAYMENT-REQUIRED validator & MCP Ed25519 manifest builder ($1 USDC).

Finance & CryptoPayments & trading

Responded1399 ms11 / 22
Vidé Vita

Vidé Vita supplements — live prices, stock, label amounts, warnings, reviews and checkout

Finance & CryptoPayments & trading

Responded1553 ms11 / 22
io.github.Odds7/fia-signals-mcp

Crypto market intelligence: regime detection, funding rates, liquidations, prices, signals.

Finance & CryptoCode & DevOps

Responded1732 ms11 / 22
YardStock NZ Vehicle Listings

Live used-car stock on named NZ dealer yards. Search make, model, price, city. Not Trade Me.

Finance & CryptoData access / search

Responded1875 ms11 / 22
Japan Direct Trucks

Live Japanese trucks, pickups, SUVs, and vans from Tokyo. Search stock and estimate freight.

Finance & CryptoData access / search

Responded2639 ms11 / 22
Helpful Mods Catalog

Find TypeScript source mods, read setup requirements, and prepare a cart for human checkout.

Finance & CryptoPayments & trading

Responded22453 ms11 / 22
io.github.michu5696/agora402

Escrow protection for agent payments on Base — USDC held in smart contract until job completion.

Finance & CryptoPayments & trading

Responded120 ms10 / 22
dev.kgninja/check-payment-recipient

Payment safety check for AI agents before signing. $0.05 per check; $0.50 batch (20). Via x402.

Finance & CryptoPayments & trading

Responded171 ms10 / 22
NorthPark Banking API

Demo banking MCP server: accounts, transactions and payments. OAuth 2.1 with DPoP.

Finance & CryptoPayments & trading

Responded487 ms10 / 22
Automaton Onchain Tools

Paid x402 crypto safety tools (Base/ETH/BSC): tx, approvals, contract risk, token deep scan.

Finance & CryptoPayments & trading

Responded494 ms10 / 22
ProfitCollector

22 pay-per-call developer, security, network and data utilities using x402 on Base.

Finance & CryptoPayments & trading

Responded698 ms10 / 22
io.github.nach-dakwale/instadomain

Domain registration for AI agents via Stripe or x402 crypto with Cloudflare DNS.

Finance & CryptoPayments & trading

Responded864 ms10 / 22
io.github.huwhitememes/tollbooth

37 paid x402 MCP tools for OSINT, prediction markets, web intel, and agent security on Base USDC.

Finance & CryptoPayments & trading

Responded2252 ms10 / 22
xyz.mortal01/utility

Pay-per-call web tools for agents (extract, summarize, ask, JSON) via x402 USDC on Base.

Finance & CryptoPayments & trading

Responded58 ms10 / 22
GadgetHumans API Hub

236 MCP tools free (rate-limited): token safety, OCR, DNS, 228 x402 routes. No key.

Finance & CryptoPayments & trading

Responded81 ms10 / 22
io.tooloracle/quantum

QuantumOracle — 18 post-quantum crypto tools: Kyber, Dilithium, hybrid schemes, migration.

Finance & CryptoPayments & trading

Responded88 ms10 / 22
io.tooloracle/xrploracle

XRPLOracle - 31 XRP Ledger tools: payments, DEX, AMM, hooks, NFTs, validators, DIDs.

Finance & CryptoPayments & trading

Responded90 ms10 / 22
Japan Public Ledgers MCP

Tamper-evident daily ledgers of 12 Japanese public-data domains, with cross-ledger entity search.

Finance & CryptoData access / search

Responded91 ms10 / 22
com.dropwatchhq/compliance-radar

US small-biz & foreign-LLC filing deadlines: FinCEN BOI, IRS 5472, franchise tax, 1099 (sourced).

Finance & CryptoPayments & trading

Responded92 ms10 / 22
io.tooloracle/mica

MiCAOracle — 24 tools for EU MiCA stablecoin compliance: peg, reserves, attestations.

Finance & CryptoPayments & trading

Responded102 ms10 / 22
io.sslip.249.111.77.187/x402-mcp-tools

Pay-per-call MCP tools via x402 (USDC on Base): QR codes, images, text analysis, web fetch.

Finance & CryptoPayments & trading

Responded106 ms10 / 22
io.tooloracle/tonoracle

TONOracle - 11 TON tools: jettons, Telegram payments, validators, smart contracts.

Finance & CryptoPayments & trading

Responded124 ms10 / 22
io.tooloracle/predictionguard

Polymarket integrity MCP — 28 tools for wallet risk, whales, UMA scans, SAR/STR reports.

Finance & CryptoPayments & trading

Responded144 ms10 / 22
AgentLot Marketplace

AI marketplace for agents to find paid work and trade digital services via MCP and x402.

Finance & CryptoPayments & trading

Responded151 ms10 / 22

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