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

4110 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
alalanet — check before your agent installs, connects or pays

Check packages, MCP servers and x402 endpoints before agents install, connect or pay. Signed.

Finance & CryptoPayments & trading

Outdated check226 ms13 / 22
TWVS — Industrial Valves & Engineering Supply Catalog

Query industrial valve specifications, pressure ratings, stock availability, and trade quotes.

Finance & CryptoPayments & trading

Responded251 ms13 / 22
SanctionsAI

OFAC sanctions screening for AI agents: 1,050 wallets, 19,389 SDN names, <100ms. Free tier, no key.

Finance & CryptoPayments & trading

Outdated check253 ms13 / 22
APEX EVM Reads

Agent reads, ETH/Base/Arc/BNB: prices, FX, sanctions, payment checks, balances, NFTs, gas, ENS.

Finance & CryptoPayments & trading

Responded296 ms13 / 22
Crypto Perp Funding Arbitrage Radar MCP

Hyperliquid, Binance & Bybit perpetual funding rate arbitrage & DeFi APY yield scanner MCP.

Finance & CryptoPayments & trading

Responded438 ms13 / 22
Base L2 Transaction Simulator & Wallet Drain Guard

Pre-execution Base eth_call/eth_estimateGas simulator & ERC-20 approve drain detector.

Finance & CryptoPayments & trading

Responded524 ms13 / 22
cc.accrue/mcp

Stablecoin Yield Index (SYX) and live USDC vault APYs across Ethereum, Base, Arbitrum.

Finance & CryptoPayments & trading

Responded542 ms13 / 22
Agentic Prompt

1,177 free agentic trading prompts for Claude and Robinhood MCP.

Finance & CryptoPayments & trading

Responded544 ms13 / 22
DocuQueue MCP

MCP server for PDF generation, form filling, batch invoices and contracts. MIT, free tier, hosted.

Finance & CryptoPayments & trading

Responded556 ms13 / 22
DexScreener DeFi Token Liquidity & Pair Security Audit

Audit on-chain DEX token liquidity pairs, volume, price action, and FDV via DexScreener.

Finance & CryptoPayments & trading

Responded561 ms13 / 22
Google Cloud 17,671 API, SKU & MCP Schema Catalog

Sub-millisecond FTS5 search across 17,671 Google Cloud APIs, SDKs, Billing SKUs, and MCPs.

Finance & CryptoPayments & trading

Responded562 ms13 / 22
io.github.Algiras/agentum-entity-resolver

Company registry, VAT, sanctions, vendor KYB, IBAN and wallet checks; pay per call by x402 or card.

Finance & CryptoPayments & trading

Outdated check563 ms13 / 22
SCRIPTMASTERLABS — MNEMOS Options Radar

Options radar MCP: Astra scorecard, decisions ledger, scans. Settle-proven 2026-11-02 (SELF-PROOF).

Finance & CryptoPayments & trading

Responded592 ms13 / 22
FDIC BankFind Institutional Financial Health Audit

Query official FDIC BankFind institution financial health, assets, deposits, and CERT status.

Finance & CryptoPayments & trading

Responded594 ms13 / 22
TrustBench

x402 provider rankings + Ed25519-signed payment receipts + signature verification (3 tools).

Finance & CryptoPayments & trading

Responded627 ms13 / 22
JarvisClaw — AI Gateway & API Marketplace

320 AI models + 2,720 pay-per-call APIs. x402 USDC on Base or Solana, no API key.

Finance & CryptoPayments & trading

Outdated check764 ms13 / 22
Carry Intel — Hyperliquid funding screens

Read-only Hyperliquid funding screens via x402 v2/Solana; not positions or returns.

Finance & CryptoPayments & trading

Responded877 ms13 / 22
On-chain Forensics

Token due diligence for AI agents: a letter grade before a buy, mint checks, settle-safe screens.

Finance & CryptoPayments & trading

Responded1050 ms13 / 22
Attest

Scan agent payment endpoints (x402, AP2, L402, MPP, 402) for a trust grade A-F before paying.

Finance & CryptoPayments & trading

Outdated check1080 ms13 / 22
ProofCore

Zero-Auth Cryptographic Notarization & Evidence Layer on TON Blockchain for AI Agents.

Finance & CryptoPayments & trading

Responded1280 ms13 / 22
io.github.konstantinbozukov/pathmint

Before you pay an x402 URL, ping it live or dead. One cent, USDC on Base.

Finance & CryptoPayments & trading

Responded1342 ms13 / 22
io.github.sanhaoyoung/sanhao-global-experts

885 paid business skills for brand, restaurant & marketing. x402 USDC per call on Base.

Finance & CryptoPayments & trading

Responded3665 ms13 / 22
x402 economy tools

Measured x402 ecosystem data, facilitator reliability, and live endpoint checks.

Finance & CryptoPayments & trading

Outdated check6070 ms13 / 22
Blockstream Info

Blockstream.info Esplora MCP — Bitcoin block/tx/address explorer.

Finance & CryptoPayments & trading

Outdated check6159 ms13 / 22

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