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.

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4143 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
TripLedger

Travel ledger for AI: journeys, stays, expenses, tax-residency day counts and Schengen 90/180.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
TrueProxies

Plans, services, usage, invoices, endpoints and connection checks for your TrueProxies account

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
TrustRail Counterparty Risk

External counterparty-risk checks and signed receipts for autonomous agents and machine payments.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
Turbine MCP

Connect AI agents to Turbine Studio for strategies, backtests, research, and trading activity.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
UK Rules & Rates

Sourced, date-aware UK tax and payroll rates, deadlines and UK business checks, with GOV.UK sources.

GovernmentPayments & trading

Requires authNot measured5 / 22Not checked yet
Unstoppable Domains

Domain search, registration, DNS, marketplace, and checkout with your AI agent.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
US NACHA ACH Direct Deposit & Payment File Generator

Create 94-character US NACHA ACH files (PPD, CCD, WEB) with ABA MOD-10 routing & batch hash checks

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
US Spot Bitcoin & Ethereum ETF Flows

Daily net flows for US spot Bitcoin & Ethereum ETFs (IBIT, FBTC, GBTC, ETHA) with per-fund history

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
UseHourly

Freelancer time tracking for AI assistants: log time, timers, timesheets, sign-off links, invoices.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
Valo.IA (ValoTCG)

Trading card prices and sheets for Pokémon and 13 other TCGs: Cardmarket, US market, eBay, PSA

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
VeriFactu

Audit VERI*FACTU hash chains, build the AEAT tax QR, build and validate Facturae 3.2.2 invoices.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
Vestiarion

An AI treasury agent paying in USDC on Arc: read its decisions, ledger and books; add invoices.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
VEYA

Check, limit, record and prove AI agent actions with 2-of-3 validators and onchain proofs.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
Veyra

Give AI agents a wallet with a spending limit. Non-custodial USDC on Base, server-enforced limits.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
Vike Data API

Crypto data for AI agents: on-chain wallets, Hyperliquid, HL Cohorts, Polymarket and Predict.fun.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
Vitafin

Money tracker, every account in its own currency: cards, loans, budgets, bills, splits, net worth.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22
volai

Czech telephony API and MCP: numbers, calls, SMS, voice agents, calendars and invoices.

ProductivityPayments & trading

Requires authNot measured5 / 22Not checked yet
VouchSpec Agent Skill Evidence

Read-only discovery for exact-commit Agent Skill validation, x402 payment, and signed receipts.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
VulnTracker

CVEs, affected versions and fix versions for your dependencies, from an affected-version ledger.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
Wandlix

Convert, merge, compress and check PDFs, images, Office files and e-invoices (XRechnung, ZUGFeRD).

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
Wathba

Saudi payments, OTP and domains for AI coding agents.

Developer ToolsPayments & trading

Requires authNot measured5 / 22
Wavebrook

Ask about your apps, statistics, earnings, payouts and invoices in the Wavebrook Dashboard.

Data & AnalyticsPayments & trading

Requires authOutdated checkNot measured5 / 22
web2wave

Hosted MCP for web2wave quizzes, paywalls, experiments, and subscriptions.

Developer ToolsPayments & trading

Requires authNot measured5 / 22
Web3Juice

Evidence-backed DeFi yield data for ~17,000 pools: rates, yield sources, 90-day history. Read-only.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet

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