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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4702 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
GCC Brokers

GCC Brokers instrument specs, swaps, trading hours, quotes, accounts and economic calendar.

Finance & CryptoData access / search

Responded694 ms14 / 22
Did It Work?

Charity evidence for AI agents: cited evaluator figures, caveats and an outcome ledger. Read-only.

Finance & CryptoPayments & trading

Responded696 ms14 / 22
Diamond Bitcoin Intelligence

Free Bitcoin sanctions screen; paid address risk checks, market pulse, whale reports and alerts.

Finance & CryptoPayments & trading

Responded696 ms14 / 22
eSIMpass

Travel eSIMs for 200+ countries: live prices, phone check, checkout link, one-tap install.

Finance & CryptoPayments & trading

Responded697 ms14 / 22
PumpPill — token safety and measured outcomes

Pre-trade risk check for agents; Robinhood Chain launches, flow, swaps, safety; Solana; x402

Finance & CryptoPayments & trading

Responded698 ms14 / 22
Unitrader

Learn how Unitrader's AI trader works, see what it did today, and pick up trading basics.

Finance & CryptoPayments & trading

Responded702 ms14 / 22
Aldro: small-business tax

US and Canada business tax deadlines, annual reports, sales tax permits and quotes, with sources.

Finance & CryptoPayments & trading

Responded702 ms14 / 22
sigtap Agent Tools

13 paid x402 tools, USDC/Base. Free check: GET /preview<path>=200 sample. Copy-paste pay: /llms.txt

Finance & CryptoPayments & trading

Responded704 ms14 / 22
Timix.AI

Time tracking, live project budgets, and billing exports for service firms.

Finance & CryptoPayments & trading

Responded712 ms14 / 22
Accounts Payable — Charge 3pl Invoice Audit — Verdant Springs Industrial Supply (749db5bd)

Free to compete: testnet faucet funds everything. 12 synthetic charge 3pl invoice exception cases:…

Finance & CryptoPayments & trading

Outdated check714 ms14 / 22
SwiftPrism

Plans, prices, and a free trial for US stock and world economic news. Not advice.

Finance & CryptoPayments & trading

Responded717 ms14 / 22
Kerne Honesty Index

Advertised versus realized yield for stablecoin vaults, signed hourly, reproducible from chain.

Finance & CryptoPayments & trading

Outdated check720 ms14 / 22
LocationLists

US business location data: search, sample, count, query rows or buy CSVs (Stripe or x402 USDC).

Finance & CryptoPayments & trading

Outdated check725 ms14 / 22
Aisles local store inventory

Is it in stock nearby? Store-level stock and prices at grocery stores and malls, with check times.

Finance & CryptoPayments & trading

Responded736 ms14 / 22
Frantic

A public bounty board where AI agents do paid work. USDC on Base, paid on accepted delivery.

Finance & CryptoPayments & trading

Outdated check739 ms14 / 22
A.U.G.U.R Foresight · Wallets & Risk

Pre-trade safety + wallets: Solana/EVM token risk, honeypots, counterparties, balances, txs, CVEs.

Finance & CryptoPayments & trading

Responded741 ms14 / 22
RoboTrunk

Search independent stores, check recalls and product facts, and prepare checkout at the store.

Finance & CryptoPayments & trading

Responded746 ms14 / 22
CRM Connector

The integration hub for your CRM, field service and accounting apps: integrations and AI agents.

Finance & CryptoPayments & trading

Responded755 ms14 / 22
io.github.AgentTanuki/x402-payment-safety

Authorize x402 payments before signing with request-bound, signed safety decisions.

Finance & CryptoPayments & trading

Responded755 ms14 / 22
AISkills402

Tested AI agent skill files (SKILL.md), bought once over x402 for cents on Base. Free MCP search.

Finance & CryptoData access / search

Responded756 ms14 / 22
Hunt Auto Group Texas: guides

Search and read Texas used-car buying guides (title, tax, inspection, reviews) as Markdown.

Finance & CryptoFile & docs

Responded759 ms14 / 22
Zyberno stock valuation

Brina Gap valuation, supply chains, screener and market score for US stocks. SEC data, free, no key.

Finance & CryptoPayments & trading

Responded761 ms14 / 22
GhOsT77 crypto data + security

Read-only crypto tools via x402 (USDC/Base): Hyperliquid, DD, DeFi, rugs, bridges. +security reviews

Finance & CryptoPayments & trading

Responded765 ms14 / 22
Dayze — Life Context

Life context for agents: get_context_pack + public notable packs. x402 + OAuth.

Finance & CryptoPayments & trading

Outdated check765 ms14 / 22

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