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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4744 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
Kestrova: Solidity Vulnerability Scan

Solidity vulnerability scan (Slither) for AI agents. Free preview; full report 1 USDC on Solana x402

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
Mahshar

Free API discovery for AI agents; execution may require USDC/x402 payments on Arc Mainnet.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
Market Intel MCP

Live & historical FX rates and currency conversion for AI agents. No API keys.

Finance & CryptoCode & DevOps

Outdated checkNot measured5 / 22
MCP Billing Gateway

Billing proxy for MCP servers. Adds Stripe and x402 crypto payments without writing billing code.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
MCPVOT — x402 Facilitator Machine

x402 paid APIs for AI agents on Base. Blockchain, wallet, DEX, crypto, web search.

Finance & CryptoData access / search

Outdated checkNot measured5 / 22
Mercadopleis

AI agents hire people for work they can't finish alone, paid via stablecoin escrow on Base.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
MetaLend

Browse, deposit, withdraw & rebalance stablecoins on Aave, Morpho & Euler across major EVM chains.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
Metis RWA Research

Research tokenized real-world assets on Solana: issuer controls, supply, liquidity, premiums

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
MEV Intelligence

Real-time Ethereum liquidation intelligence for AI agents and MEV bots.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
MicroScrape

Pay-per-request webpage-to-Markdown extraction for AI agents. $0.005 USDC via x402 on Solana.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
MORVS

Keyless, read-only US public records for agents: SEC, FDA, enforcement, sanctions, market data.

Finance & CryptoData access / search

Outdated checkNot measured5 / 22
NANO MCP

Nano cryptocurrency operations wallet, balance, transactions via MCP

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
NeuralBrain

NeuralBrain MCP Server - RAG, Vector Memory, LLM Routing, Agent Identity, x402 Payments

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
Northcap Signals

Pay-per-call DRT/ICT crypto trading signals for AI agents (LONG/SHORT, entry/SL/TP).

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
Official Source Evidence

Accountless public-source, SEC Form D and OFAC tools with x402 USDC payment on Base.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
OmniDome by HumanMirror

Free agent home and discovery: Clean JSON, advisory Safe Preflight, MCP and x402 tools.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
Onchain Alpha Lab

Paid MCP tools for onchain alpha research, X content analysis, and KOL distillation.

Finance & CryptoPayments & trading

UnreachableNot measured5 / 22
OnchainAI

Crypto tool MCP: search/trust/install-risk. Remote tools/call is x402 paid.

Finance & CryptoCode & DevOps

Outdated checkNot measured5 / 22
Orange Peel

Cited Hermès price & resale market data as MCP tools, with attribution. Not affiliated.

Finance & CryptoData access / search

UnreachableNot measured5 / 22
Otto Data — Robinhood Chain

Live Robinhood Chain tokenized-stock data: basis vs NASDAQ, gaps, pools, whale flows.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
Paid MCP Metering

Metered MCP tools: free discovery over MCP; per-call execution settled in USDC via x402 v2.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
paired.exchange

Launch coins quoted in tokenized stocks on Robinhood Chain; the user signs at a launch link.

Finance & CryptoCode & DevOps

Outdated checkNot measured5 / 22
PDFMakerAPI

Turn a description into a shareable, editable PDF — invoices, certificates, reports, resumes.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
perps-funding-pulse

Live perps funding rate, next tick, open interest and skew (Binance, Bybit, OKX)

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22

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