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

3357 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
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Outdated check119 ms12 / 22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Outdated check120 ms12 / 22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
Service Public France

French public services: tax, property, admin, education, healthcare, security, risks, legal texts

HealthcareCode & DevOps

Responded61 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
com.primesettlementrefund/prime-refund-tools

Amazon Prime refund tools: eligibility check, payment amount estimator, and claim deadline guide.

Finance & CryptoPayments & trading

Responded70 ms12 / 22
io.github.sturs49/cryptotaxedge

US tax classification for on-chain transactions: category, treatment, confidence, review flags.

Finance & CryptoCode & DevOps

Responded71 ms12 / 22
com.airblockfz/coin-signal

Crypto bottom/top signals: verdict + score per coin, market scans. Pay-per-call x402.

Finance & CryptoPayments & trading

Responded81 ms12 / 22
AlphaBotPro Trading API

Live XAUUSD/BTCUSD trading signals, priced in USD, payable by AI agents via crypto (x402).

Finance & CryptoPayments & trading

Outdated check82 ms12 / 22
Archangel Agency MCP

Universal Language briefings, FusionGirl context JSONs, service catalog, agent info. x402-enabled.

Developer ToolsCode & DevOps

Responded85 ms12 / 22
First Dollar Desk

Human $1 Stripe checkout and $0.05 Base USDC agent verify over HTTP 402. Self-pay rejected.

Finance & CryptoPayments & trading

Responded88 ms12 / 22
xDEO — Earnings Oracle

Reputation-ranked analyst earnings estimates. Pay per call via x402 on Base.

Developer ToolsCode & DevOps

Responded93 ms12 / 22
DPX — Settlement & Intelligence for AI Agents

Compliance-gated stablecoin settlement + x402 macro/ESG/climate intelligence for agents. 115 tools.

Finance & CryptoPayments & trading

Responded96 ms12 / 22
Universal Data API

Remote MCP for research, commerce sourcing, and AI agent tools with x402 Base USDC payments.

Finance & CryptoPayments & trading

Responded105 ms12 / 22
Crypto Perps Pulse MCP

Crypto perps funding rates, open interest and movers. Read-only, not financial advice.

Finance & CryptoPayments & trading

Outdated check115 ms12 / 22

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