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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3357 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
io.github.rainbow686/china-export-rebate-mcp

China export tax rebate rate & HS code lookup (官方退税率).

Developer ToolsCode & DevOps

Responded1088 ms12 / 22
com.exittaxestimator/site

Exit Tax Estimator: the site's own MCP server — checker, enquiry (enquiry = a human handoff, not...

Finance & CryptoPayments & trading

Responded1089 ms12 / 22
Billify payments

Let agents verify the seller and pay Billify invoices with x402 (USDC on Base).

Finance & CryptoPayments & trading

Responded1111 ms12 / 22
Tchin

Tchin payments (Togo, Benin, Burkina Faso): pay links, account, PDF statements, payment links.

Finance & CryptoPayments & trading

Responded1134 ms12 / 22
Relendi — Commercial Real Estate Loan Tools

Free CRE loan sizing, DSCR stress tests, payments, closing costs and cited lending knowledge.

Real Estate & PropertyPayments & trading

Responded1141 ms12 / 22
io.github.Invaro/opentax

Verifiable US tax oracle for AI agents: cited, machine-checkable federal and state tax computation

GovernmentCode & DevOps

Responded1159 ms12 / 22
Novarithm Agent Hub: trust and commerce checks

Agent trust, pre-purchase risk, deliverable checks, data and SEO tools. Pay per call via x402.

Finance & CryptoPayments & trading

Responded1161 ms12 / 22
AutEng Docs — Agent Document Workspace & Publishing

Agent document workspace with wallet auth. Create, update and share markdown docs. By AutEng.ai

Finance & CryptoFile & docs

Responded1236 ms12 / 22
Vatic prediction markets

Crowd forecasts on sports, politics, finance and crypto: live odds, outcomes, Ask the crowd.

Finance & CryptoPayments & trading

Responded1249 ms12 / 22
elevai Commerce Demo

Open demo shop: search products, place a 0.05 CHF order, create a PostFinance payment link.

Finance & CryptoPayments & trading

Responded1257 ms12 / 22
com.capitalgainstaxhq/site

Capital Gains Tax HQ: the site's own MCP server — dataset, enquiry (enquiry = a human handoff,...

Data & AnalyticsData access / search

Responded1294 ms12 / 22
agentfeeds.jp

Japan regulatory, sanctions & DEX market data for AI agents via x402 (USDC on Base).

Finance & CryptoData access / search

Responded1328 ms12 / 22
Payout Check

Validate LATAM payout beneficiaries (tax ID, bank account, PIX) for MX, BR, AR, CL, CO, UY.

Finance & CryptoCode & DevOps

Responded1334 ms12 / 22
com.stayportland/mcp

Search Portland rentals, compare homes, save a shortlist, and get a live quote. No payments.

Finance & CryptoPayments & trading

Responded1367 ms12 / 22
Field Service Business Platform by Doing Work

Headless field service software. Your AI agent runs jobs, schedules, quotes, invoices and payments.

Finance & CryptoPayments & trading

Responded1381 ms12 / 22
PayCalculator

Australian pay, income tax, super, HECS, family payments and child care subsidy, using ATO rates.

Finance & CryptoPayments & trading

Responded1400 ms12 / 22
Wagyu

Swap crypto across chains, including Monero (XMR): quote, create and track swaps.

Finance & CryptoPayments & trading

Responded1425 ms12 / 22
FOXIFY Agent Commerce

Hosted x402 preflight for action authority, payment mandate, destination, expiry and replay.

Finance & CryptoPayments & trading

Responded1543 ms12 / 22
Deal Radar

SEC Form D deal leads, x402 USDC pay-per-call (Cloudflare host).

Finance & CryptoPayments & trading

Responded1553 ms12 / 22
Agent.chain.tokyo Address Contracts

Rent a real Japan mailing address for an AI agent via MCP + Solana USDC x402.

Finance & CryptoPayments & trading

Responded1675 ms12 / 22
The Stall

277 pay-per-call MCP tools: YouTube keyword research, stocks, crypto, DeFi, options, macro.

Finance & CryptoPayments & trading

Responded1691 ms12 / 22
X1-BaaS Scraping API

Stealth scraping API for AI agents. Clean Markdown from any URL. x402 crypto payments.

Finance & CryptoPayments & trading

Responded1692 ms12 / 22
ActionGate

Pre-execution safety layer for autonomous agent wallets via MCP and x402.

Finance & CryptoPayments & trading

Responded2402 ms12 / 22
io.github.cryptoplayer/crypto-casinos

Real-money crypto casino audits: trust scores, live tests, rankings, new casinos, bonuses. Signed.

Finance & CryptoCode & DevOps

Responded2905 ms12 / 22

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