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

4739 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
Deal Radar

SEC Form D deal leads, x402 USDC pay-per-call (Cloudflare host).

Finance & CryptoPayments & trading

Responded1553 ms12 / 22
Agent.chain.tokyo Address Contracts

Rent a real Japan mailing address for an AI agent via MCP + Solana USDC x402.

Finance & CryptoPayments & trading

Responded1675 ms12 / 22
The Stall

277 pay-per-call MCP tools: YouTube keyword research, stocks, crypto, DeFi, options, macro.

Finance & CryptoPayments & trading

Responded1691 ms12 / 22
X1-BaaS Scraping API

Stealth scraping API for AI agents. Clean Markdown from any URL. x402 crypto payments.

Finance & CryptoPayments & trading

Responded1692 ms12 / 22
Autosophia Base Lens

Screen Base ERC-20 tokens, inspect wallets, simulate txs, price gas. $0.01 in USDC.

Finance & CryptoPayments & trading

Responded1811 ms12 / 22
ActionGate

Pre-execution safety layer for autonomous agent wallets via MCP and x402.

Finance & CryptoPayments & trading

Responded2402 ms12 / 22
US Stocks & Market Data

US market snapshot, stock fundamentals, prices, statements, news and analyst views

Finance & CryptoData access / search

Responded2755 ms12 / 22
sh.kwant/kwant

Quant intelligence over MCP: backtest, signals, screens, scores & portfolios for US & TSX stocks.

Finance & CryptoPayments & trading

Responded2832 ms12 / 22
io.github.cryptoplayer/crypto-casinos

Real-money crypto casino audits: trust scores, live tests, rankings, new casinos, bonuses. Signed.

Finance & CryptoCode & DevOps

Responded2905 ms12 / 22
Black Car Service — Bay Area Ride Quotes

Bay Area SUV quotes, tentative availability and pending ride requests with secure web checkout.

Finance & CryptoPayments & trading

Responded3346 ms12 / 22
CrossFin

AI agent access to Asian crypto markets. Korean exchange routing and x402 paid APIs.

Finance & CryptoCode & DevOps

Responded3603 ms12 / 22
TradePilot Agent Commerce

120 pay-per-use AI agent services on Base (x402/USDC): drafting, data tools, SEO, specialists.

Finance & CryptoPayments & trading

Responded3624 ms12 / 22
SignalLayer

Machine-native tools for autonomous agents with free routing and x402 USDC pay-per-call.

Finance & CryptoPayments & trading

Responded3644 ms12 / 22
Solana Wallet Intel

Solana wallet risk and intel, x402 USDC pay-per-call (Cloudflare host).

Finance & CryptoPayments & trading

Responded4971 ms12 / 22
arcgate

Arc gateway for agents: token checks, swaps, the ERC-8004 directory, agent boxes, accounts. x402

Finance & CryptoPayments & trading

Responded5523 ms12 / 22
x711 — Universal Agent Gas Station

Pay-per-use tool API for AI agents. Free tier, x402 USDC micropayments, or API key.

Finance & CryptoPayments & trading

Responded7633 ms12 / 22
Money Reactor

Pay-per-call x402 MCP: 22 agent APIs on Base USDC. Crypto, onchain reads, repo safety. From $0.001

Finance & CryptoPayments & trading

Outdated check119 ms12 / 22
Money Reactor

Pay-per-call x402 MCP for AI agents: 35 tools, USDC on Base, from $0.001/call, no API keys.

Finance & CryptoPayments & trading

Outdated check120 ms12 / 22
Imagio Relay

57 deterministic web-intel, trade and infra tools for agents. USDC per call via x402.

Finance & CryptoPayments & trading

Responded49 ms12 / 22
DESK LEAD x402 — high-ticket packs $50/$100/$150

~17 tools; HT packs $50/$100/$150. tools/list free; tools/call USDC Base x402. Not financial advice.

Finance & CryptoPayments & trading

Responded54 ms12 / 22
Backfill Fetch

Pay-per-fetch web extraction for agents: POST a URL, get clean markdown. x402 USDC on Base.

Finance & CryptoPayments & trading

Responded61 ms12 / 22
Stinkyboy Bodega

One integration, one wallet. Thousands of callable tools, paid per call in USDC via x402.

Finance & CryptoPayments & trading

Responded65 ms12 / 22
io.github.apihubio/mcp-server

Discover and pay for APIs with USDC credits. No wallet, no gas, MCP-native marketplace.

Finance & CryptoPayments & trading

Responded67 ms12 / 22
Universal Data — x402 + MPP Payment Setup

Remote MCP with a paid tool for generating x402 and MPP buyer/seller starter integrations.

Finance & CryptoPayments & trading

Responded70 ms12 / 22

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