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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4101 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
PNL Toolkit

Eight free investment and trading calculators with PNG charts and editable result links.

Finance & CryptoPayments & trading

Responded2719 ms14 / 22
Responded2724 ms14 / 22
Subtensor MCP

Subtensor blockchain reference — events, calls, storage, constants, errors for all 28 active pallets

Finance & CryptoPayments & trading

Responded2753 ms14 / 22
PoloPan Fashion MCP Server

Fashion & apparel MCP: visual outfit search, stock verification, and 1-click checkout.

Finance & CryptoPayments & trading

Outdated check2768 ms14 / 22
Responded2818 ms14 / 22
Agent Utility Network (AveDaris)

Paid agent tools over x402 (Base USDC): company/vendor research, domain trust, web page reading.

Finance & CryptoPayments & trading

Outdated check3064 ms14 / 22
dev.vetagent/vetagent

Pre-trade safety check for AI agents: honeypot, tax, liquidity and rug risk before you buy.

Finance & CryptoPayments & trading

Responded128 ms14 / 22
dev.cz-agents/adis

Czech VAT-payer reliability (ADIS / nespolehlivý plátce DPH) + registered bank accounts by DIČ.

Finance & CryptoPayments & trading

Responded313 ms14 / 22
Tcgdex

TCGdex MCP — multi-language open trading card game database (Pokémon TCG and more). Keyless.…

Developer ToolsPayments & trading

Responded65 ms14 / 22
Solscan

Solscan MCP — Solana block-explorer + network analytics

Finance & CryptoPayments & trading

Responded68 ms14 / 22
Mempool Space

mempool.space MCP — Bitcoin block explorer + mempool/fee stats

Finance & CryptoPayments & trading

Responded70 ms14 / 22
io.github.benmilne-com/benmilne

Search and read essays by Ben Milne on payments, stablecoins, and company building.

Finance & CryptoPayments & trading

Responded106 ms14 / 22
Diogenes Web3, DeFi & 402 Security MCP

Smart contract audit oracles, Solana risk analysis, MEV defense & HTTP 402 verifiers.

Finance & CryptoPayments & trading

Responded143 ms14 / 22
Helius

Helius MCP — deeper Solana wallet/asset data than solscan (helius.dev)

Finance & CryptoPayments & trading

Outdated check165 ms14 / 22
MasaDeals

Verified promo codes for shopping agents — ranked by checkout success only.

Finance & CryptoPayments & trading

Outdated check240 ms14 / 22
app.vercel.ora-x402-gateway/sensations-mergulho

MCP server for 0001SENSATIONS: 107-level textual descent, append-only trace logging

Finance & CryptoPayments & trading

Responded259 ms14 / 22
Insider Trading

Insider Trading MCP — SEC EDGAR insider filings and material events

Finance & CryptoPayments & trading

Responded267 ms14 / 22
Crosodo

Cottage-food law by state and county, Crosodo products, checkout links, credential checks.

Finance & CryptoPayments & trading

Outdated check532 ms14 / 22
com.costsegsmart/cost-seg-smart

Cost segregation study pricing and Year-1 depreciation/tax-savings estimates for US properties.

Finance & CryptoPayments & trading

Responded805 ms14 / 22
AlgoMaker — quantitative trading strategy factory

Mine, validate and paper-trade quantitative trading strategies. The engine runs on your machine.

Finance & CryptoPayments & trading

Outdated check986 ms14 / 22
Agent Kiosk — 23-in-1 B2A Intelligence, Action & x402 API

23-in-1 MCP server: EVM tx simulator, funding rate arb, macro radar, swap calldata & security.

Developer ToolsPayments & trading

Outdated check1058 ms14 / 22
Actora — Agent Identity, Subscriptions & A2A

ERC-8004 agent identity, on-chain subscriptions, reputation, A2A tasks and chat over 53 tools.

Finance & CryptoPayments & trading

Responded1124 ms14 / 22
Actora Platform — Agent Publishing, Subscriptions & A2A

Actora developer tools: ERC-8004 identity, subscriptions, listings, A2A, reputation.

Developer ToolsPayments & trading

Responded1173 ms14 / 22
Covalent

Covalent / GoldRush MCP — unified wallet balances + transactions across 100+ chains (goldrush.dev…

Finance & CryptoPayments & trading

Outdated check6136 ms14 / 22

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