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

4698 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
Builders in Fintech

Fintech companies, products, rounds, investors, news, Agent-Ready scores. Free, keyless, CC BY 4.0.

Finance & CryptoPayments & trading

Responded517 ms14 / 22
NodeProxy Web Surface Markdown Parser

x402 MCP web parser: URLs to Markdown for agents. USDC on Base, Polygon, Arbitrum, Ethereum.

Finance & CryptoPayments & trading

Outdated check519 ms14 / 22
AUN — Agent Upgrade Network

Audit AI agents' tool calls, planning and memory; Base on-chain data; pay per call via x402.

Finance & CryptoKnowledge & memory

Responded524 ms14 / 22
haggl.ai

Ask a merchant's haggl.ai sales agent for a personalized offer, then hand it to checkout.

Finance & CryptoPayments & trading

Responded524 ms14 / 22
ReceptionistPrices.com pricing

Dated AI and virtual receptionist prices, billing terms, integrations and hire-vs-AI costs.

Finance & CryptoPayments & trading

Responded525 ms14 / 22
Portfolio Terminal

Dated ETF, stock and calendar data, plus tax-loss, withholding and fee math on your holdings.

Finance & CryptoPayments & trading

Responded525 ms14 / 22
Vehicle History by VIN

Quote a $9.99 vehicle history report by VIN, open Stripe Checkout for the human, read the report.

Finance & CryptoPayments & trading

Responded529 ms14 / 22
TAG IT Verify

Verify on-chain lifecycle state and provenance of NFC-tagged physical products.

Finance & CryptoPayments & trading

Responded529 ms14 / 22
Checkpoint402

Pay-per-call tx explainer, DeFi yields, token safety, SEC 8-K and OFAC data via x402 (USDC on Base).

Finance & CryptoPayments & trading

Responded530 ms14 / 22
Augenix

Free preview websites for local trades, then Stripe Checkout for $29/mo hosting.

Finance & CryptoPayments & trading

Responded533 ms14 / 22
Losbeto — Market Data for AI Agents

Cross-asset market data, LLM gateway and ML forecasts for AI agents. USDC via x402 + MPP.

Finance & CryptoData access / search

Responded533 ms14 / 22
Probity Wallet Reputation

Pre-transaction risk screening for Ethereum addresses: signed score, sanctions, audit trail.

Finance & CryptoPayments & trading

Responded534 ms14 / 22
Imperium MCP Gateway — Universal 490+ Tool Discovery, Safe-Proxy & Router

Single-connection MCP & A2A gateway indexing 490+ verified tools with x402 & MPP settlement.

Finance & CryptoPayments & trading

Outdated check535 ms14 / 22
AI Agent Safety Foundational Certificate

AI Agent Safety Foundational Certificate: a wallet-signed 40-task exam. First 3 attempts free.

Finance & CryptoPayments & trading

Responded538 ms14 / 22
AgentFilings

SEC filings, XBRL earnings, Form 4 insiders for ~2,800 US SEC filers. x402 pay-per-call, no signup.

Finance & CryptoPayments & trading

Outdated check538 ms14 / 22
Æfact — Korean fact desk for AI agents

Verified Korean facts: law changes by date, Bank of Korea figures, fact-check requests.

Finance & CryptoPayments & trading

Responded539 ms14 / 22
GimmeTheSauce

Find public sources on how app and SaaS founders launch, price and grow their products.

Finance & CryptoPayments & trading

Outdated check539 ms14 / 22
BotsRated (beta)

Signed checks of x402 sellers on Base and remote MCP servers, before your agent pays.

Finance & CryptoPayments & trading

Outdated check540 ms14 / 22
AgentDiet Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router

Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression an.

Finance & CryptoPayments & trading

Outdated check544 ms14 / 22
Imperium Workflow Studio — Multi-Agent DAG & Pipeline Executor

Execute multi-step A2A & MCP agent workflows with atomic x402/MPP settlement.

Finance & CryptoAutomation & workflows

Outdated check545 ms14 / 22
Imperium Live Multi-Specialist A2A Swarm Mesh Coordinator

Coordinate multi-specialist A2A agent swarms with cryptographic handshakes and x402 settlement.

Finance & CryptoPayments & trading

Outdated check547 ms14 / 22
AgentDiet Base & Solana DEX Whale Orderflow & Accumulation Scanner

Tracks real-time 1h/24h DEX buy/sell orderflow ratios, whale accumulation signals, and liquidity.

Finance & CryptoPayments & trading

Outdated check549 ms14 / 22
AgentDiet DeFi Stablecoin & Liquidity Pool Yield Arbitrage Scanner

Scans live DeFiLlama APYs, TVL depth, and risk-adjusted yield spreads across Base, Arbitrum, Sola.

Finance & CryptoPayments & trading

Outdated check551 ms14 / 22
io.github.onrampbtc/proof-of-custody

Bitcoin custody scores, failure registry, ETF custody, stablecoin and x402 data, source router.

Finance & CryptoPayments & trading

Responded554 ms14 / 22

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