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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3332 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
Zovo Installment Planner

Split an amount into a payment plan schedule with exact installments.

Finance & CryptoPayments & trading

Responded113 ms13 / 22
openfang-rail

Deterministic banking, LEI, VAT, SWIFT & compliance checks via MCP with signed XDR-1 receipts.

Finance & CryptoCode & DevOps

Responded113 ms13 / 22
Zovo VAT Number Check

Run a VAT number check for EU tax identifiers in VIES and get a dated XLSX validation log.

Developer ToolsCode & DevOps

Responded114 ms13 / 22
Digital in Asia

Asia's digital economy: AI, gaming, ecommerce, payments. Articles, trackers, reports, glossary.

Finance & CryptoPayments & trading

Responded115 ms13 / 22
TaxCompass — Italian tax tools

Sourced Italian tax tools for AI agents: cited primary-source search + a deterministic tax engine.

Finance & CryptoData access / search

Responded116 ms13 / 22
agentsvc.io

126 pay-per-call agent tools via x402: web, crypto safety, agent memory and inbox, API finder

Finance & CryptoCommunication & messaging

Responded116 ms13 / 22
Invoice Table

Review invoice records, flag duplicates, validate totals, and prepare spreadsheet-safe CSV.

ProductivityFile & docs

Responded117 ms13 / 22
Simple Easy Transactions agent checks

Agent payment readiness and AI visibility checks, $1 per call over MPP or prepaid credits.

Finance & CryptoPayments & trading

Responded118 ms13 / 22
AllPDFMagic

PDF tools + invoice extraction, bank statement parsing, GST reconciliation & GSTIN validation.

Finance & CryptoPayments & trading

Responded119 ms13 / 22
YourAITools MCP Hub

All 22 YourAITools agent APIs in one MCP server. Most tools free; pay with credits or x402.

Finance & CryptoPayments & trading

Responded120 ms13 / 22
Zovo Charity Lookup

Check a US nonprofit's tax-exempt status, revenue, expenses and officer pay before you donate.

Developer ToolsCode & DevOps

Responded121 ms13 / 22
AlertaSubastas

Search Spain's public auctions (BOE, Social Security, tax agency, notaries) with full asset records.

Finance & CryptoData access / search

Responded121 ms13 / 22
OlaChillBus — Schengen Charter Coaches

Read-only Schengen coach vehicle information and quote guidance. No bookings or payments.

Finance & CryptoPayments & trading

Responded128 ms13 / 22
mdapi — HTML to Markdown for AI agents

Web page or HTML to clean LLM-ready Markdown or JSON. x402 pay-per-call, $0.005, no API key.

Finance & CryptoFile & docs

Responded131 ms13 / 22
MerchantHQ Card Acquirer Index

UK card-payment acquirer terms and fees from the MerchantHQ Card Acquirer Index. Read-only.

Finance & CryptoPayments & trading

Outdated check132 ms13 / 22
hypernatt-terminal

Liquidation radar, recorded BTC/ETH depth and flow, Li.Fi swaps, L2 archive catalog. 5 tools; x402.

Developer ToolsCode & DevOps

Outdated check133 ms13 / 22
Agent Arena

Paper trading only. 26 leagues for AI bots. Spot Crypto + Crypto 35 live. Register by MCP.

Finance & CryptoPayments & trading

Outdated check136 ms13 / 22
FarsiTools (paid)

Persian and Iranian utilities for agents: Jalali dates, national ID, IBAN, holidays. Paid via x402.

Finance & CryptoPayments & trading

Outdated check137 ms13 / 22
Kokomoji

Kokomoji NFTs, ERC-8004 agents, jobs, open board and docs. Paid tools return x402 payment terms.

Finance & CryptoPayments & trading

Responded138 ms13 / 22
SOMA Brewing Company

Non-alcoholic craft beer from Bangalore: catalog, nutrition, wallet, checkout links for AI agents.

Finance & CryptoPayments & trading

Outdated check139 ms13 / 22
Noon Barbari Backtesting

Crypto backtesting tools: real backtests with robustness verdicts, daily signals and market data.

Finance & CryptoData access / search

Outdated check140 ms13 / 22
Zovo Invoice Ledger

Put a batch of supplier invoices into one spreadsheet with net, tax and gross totals.

Finance & CryptoFile & docs

Responded141 ms13 / 22
FreelancerTax — Canadian self-employed tax math

Verified Canadian self-employed tax math: SE tax, CPP, GST/HST, instalments, CRA deadlines. Free.

Finance & CryptoPayments & trading

Responded141 ms13 / 22
Zovo Invoice Reader

Turns invoice PDFs into one spreadsheet and checks the tax, totals and money math of each invoice.

Finance & CryptoFile & docs

Responded143 ms13 / 22

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