MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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

4710 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
Kokomoji

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

Finance & CryptoPayments & trading

Responded138 ms13 / 22
nl.afhaalgroothandel/shop

Dutch family B2B wholesaler since 1992: toys, gifts, party and seasonal items from own stock

Finance & CryptoPayments & trading

Outdated check139 ms13 / 22
io.github.f-tiger/agiscorecard-web3-workbench

AGI Scorecard Web3 Workbench: ten free deterministic review tools (stablecoin, gas, zkML, agents).

Finance & CryptoPayments & trading

Responded140 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
Invoiceer e-invoicing tools

Create and validate XRechnung, ZUGFeRD and Peppol e-invoices (KoSIT); Peppol lookup, rule help.

Finance & CryptoPayments & trading

Responded142 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
io.github.stillmarcus24/stillos-kya

Counterparty due-diligence infrastructure: OFAC screening, on-chain risk, signed verdicts.

Finance & CryptoCode & DevOps

Outdated check143 ms13 / 22
io.github.fortunesayspump/nibgate

x402 paid content and Nib Tips with pending holds, refunds, public ledger, pricing, and reputation.

Finance & CryptoPayments & trading

Outdated check143 ms13 / 22
CriptoNous

Crypto market intelligence for AI agents: sentiment, flow, Oracle readings. x402. NFA.

Finance & CryptoPayments & trading

Responded144 ms13 / 22
Siteprint examples

Website designs as DESIGN.md: real Siteprint exports of Linear, Stripe, Ramp and Cal.com.

Finance & CryptoPayments & trading

Responded144 ms13 / 22
Между Комнат: двери в Москве

Interior and entrance doors shop in Moscow: search, exact cart price, stock, order and measurement.

Finance & CryptoData access / search

Responded145 ms13 / 22
Tax Reclaim calculator

Estimate dividend and interest withholding-tax refunds, treaty rates and filing deadlines.

Finance & CryptoPayments & trading

Responded147 ms13 / 22
Zovo Depreciation Schedule

Depreciation calculator for tax and bookkeeping, for small businesses, landlords and bookkeepers.

Finance & CryptoCode & DevOps

Responded148 ms13 / 22
ai.ohmyfin/banking-intelligence

Cross-border payment & banking intelligence for AI agents: SWIFT/BIC, IBAN, sanctions, FX, tracking.

Finance & CryptoPayments & trading

Responded150 ms13 / 22
Agent Financial Advisor

Compliance, risk, tax and audit checks for AI trading agents: pre-trade, sizing, wash sales, Reg BI.

Finance & CryptoPayments & trading

Outdated check152 ms13 / 22
Cybercentry Verification

Twelve tools: token, wallet, contract and site security. Two free, the rest $1 in USDC over x402.

Finance & CryptoPayments & trading

Responded154 ms13 / 22
Indexfy

Buy and sell fully backed crypto index tokens and trade prediction markets on Base, in USDC.

Finance & CryptoPayments & trading

Responded156 ms13 / 22
invest-like: Buffett-style stock analysis

Check any of 21,000+ stocks against Buffett, Munger, Graham and 4 more legendary investors.

Finance & CryptoPayments & trading

Responded158 ms13 / 22
Stringer Grounded Synthesizer

Grounded synthesis from public sources. 3 free calls total; then $0.10 brief or $0.25 deep via x402.

Finance & CryptoPayments & trading

Outdated check158 ms13 / 22
Agent Data API

31 pay-per-call APIs for AI agents: SEO, open data, video planning (EN/DE). USDC on Base via x402.

Finance & CryptoPayments & trading

Responded159 ms13 / 22
Z1N

MCP server for the Z1N Protocol - on-chain identity for AI agents on Polygon

Finance & CryptoCode & DevOps

Responded159 ms13 / 22
AZPay Monetize — Sepolia Sandbox

Search, negotiate and buy resource access with x402 test USDC on Ethereum Sepolia.

Finance & CryptoPayments & trading

Responded162 ms13 / 22
de.carbon-cashmere.api/crypto-intelligence

Pay-per-call crypto intelligence: 50 tools, own BTC/Kaspa/Bittensor nodes, x402 USDC, no API key.

Finance & CryptoPayments & trading

Responded162 ms13 / 22

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