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

4622 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
DevX Token Snapshot

ERC-20 price, liquidity, pools, holder hints, risk flags on 7 EVM chains. Paid 0.003 USDC via x402.

Finance & CryptoPayments & trading

Outdated check100 ms15 / 22
PikaSim

Anonymous eSIMs, phone numbers, and SMS codes in 190+ countries. Crypto-paid; agents self-onboard.

Finance & CryptoCommunication & messaging

Outdated check100 ms15 / 22
ProxyRange

Residential proxy checkout prices, terms and sourcing checks, every fact dated and sourced.

Finance & CryptoPayments & trading

Outdated check103 ms15 / 22
Taiwan Market Open Data (Unofficial)

Unofficial. TWSE & TAIFEX open data for AI: stock, ETF & futures snapshots, quotes, 270+ datasets.

Finance & CryptoCode & DevOps

Responded113 ms15 / 22
patternfetch

US stocks, ETFs, crypto → compact brief: patterns, S/R, regime + base rates vs baseline. Not advice.

Finance & CryptoCode & DevOps

Outdated check113 ms15 / 22
ccpcrate — Canadian CCPC corporate tax

Deterministic Canadian CCPC rate stack: small business deduction and grinds, Part IV, RDTOH.

Finance & CryptoPayments & trading

Outdated check114 ms15 / 22
AI Trading Signals

Live crypto trading signals for AI agents: entry, stop, target, reasoning and verified outcomes.

Finance & CryptoPayments & trading

Responded117 ms15 / 22
SpendPreflight

Preflight x402 payments. Base ERC-8004 agent #1151628; wallet binding verified Nov 3, 2026.

Finance & CryptoPayments & trading

Responded125 ms15 / 22
ILO Labour Statistics (ILOSTAT): unemployment, wages, informality

Labour market data from the ILO (ILOSTAT) by country, year, sex and age, with provenance.

Finance & CryptoData access / search

Responded130 ms15 / 22
HeyAnon MCP

HeyAnon on-chain agent: wallets, portfolios, DeFi and CEX actions, transfers, Gemma research.

Finance & CryptoPayments & trading

Responded132 ms15 / 22
yieldhunter

Risk-adjusted stablecoin yield ranks for other agents. Research only. Never holds keys or executes.

Finance & CryptoPayments & trading

Outdated check141 ms15 / 22
MoltNode by Chord

Read 31 blockchains over JSON-RPC and swap via Chord: best route, unsigned tx, simulation. No key.

Finance & CryptoPayments & trading

Responded146 ms15 / 22
NEMO x402 Micro-Services

34 paid tools: site/SEO, weather, crypto+markets, podcasts, YouTube, Polymarket. x402/MPP/Stripe.

Finance & CryptoPayments & trading

Outdated check147 ms15 / 22
aikstockdata — Korean Stock Data

Korean stocks: median price path after each DART filing type, T+1 closes, earnings. 12 tools, no key

Finance & CryptoPayments & trading

Outdated check153 ms15 / 22
Crypto Derivatives Data API

Perp funding rates, open interest, futures basis, IV, liquidations, order books on 8 exchanges

Finance & CryptoPayments & trading

Outdated check155 ms15 / 22
SEO and Keyword Data API

SEO data: keyword volume, CPC, Trends, backlinks, domains, SERP, Maps, audits. Pay per call (x402)

Finance & CryptoData access / search

Outdated check157 ms15 / 22
SiteCheck

225 pay-per-call agent tools: Polymarket, chain reads, DeFi, web, SEC, KYB, geo, dev, AI. x402

Finance & CryptoCode & DevOps

Outdated check158 ms15 / 22
afro.tools

Open-source API specs for African providers (payments, SMS, KYC, delivery) for AI agents.

Finance & CryptoPayments & trading

Outdated check159 ms15 / 22
DecisionsCalc calculators

Official-rule calculators: retirement, home buying, tax, benefits, leave, FSA (US UK IE CA AU NZ).

Finance & CryptoPayments & trading

Outdated check172 ms15 / 22
TradingAIHub directory

Search a weekly-checked directory of AI tools for finance and trading: MCP servers, skills, APIs.

Finance & CryptoData access / search

Responded174 ms15 / 22
Mirabello Immigration Intelligence

Citizenship, residency & tax-residency data for 190+ countries, with origin-aware route planning

Finance & CryptoPayments & trading

Outdated check176 ms15 / 22
Gold Price Per Gram MCP

Live gold price per gram by karat and currency, metal prices, jewelry melt value, unit conversion.

Finance & CryptoCode & DevOps

Responded181 ms15 / 22
RoundWatch

Durable Algorand USDC payment monitoring for autonomous workflows.

Finance & CryptoPayments & trading

Responded184 ms15 / 22
AgentFuel

Safety checks for trading bots: Solana and Robinhood Chain rug-checks, launch feed, safe_buy.

Finance & CryptoPayments & trading

Outdated check184 ms15 / 22

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