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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3324 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
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
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Outdated check765 ms14 / 22
DegenHedge: Kalshi Bitcoin 15-minute data

Read-only Kalshi BTC 15-minute data: live window, graded alert record, fee calculator.

Finance & CryptoPayments & trading

Responded773 ms14 / 22
Jithox

8 invoice/payment tools; 5 free, no login. IBAN, bank changes, Peppol. Paid VAT and invoice review.

Finance & CryptoPayments & trading

Outdated check774 ms14 / 22
NightWatch Live Intelligence

Real-time crypto asset intel for trading AIs: liquidity grades, transfer routes, spreads, BTI

Finance & CryptoPayments & trading

Outdated check779 ms14 / 22
TrollBridge MCP

Pay-per-call intel bridge for AI agents — 18 tools; tolled lanes $0.02 USDC via x402

Finance & CryptoPayments & trading

Outdated check806 ms14 / 22
Cook County / Chicago Property Data (free tier, no wallet needed)

Cook County / Chicago property by address or PIN: sales, permits, assessments, comps. 100 free/day.

Finance & CryptoPayments & trading

Responded812 ms14 / 22
US Mortgage Calculator

US mortgage calculator and amortization API with 50-state property tax, PMI, and affordability data.

Real Estate & PropertyData access / search

Responded825 ms14 / 22
SwapChan

Find money in any wallet, best-price swaps, simulate, PnL, pools, whales, contract and bridge tools.

Finance & CryptoPayments & trading

Responded825 ms14 / 22
RBSHome

Dallas and Collin County, TX property, tax-delinquency and land records for investors.

Finance & CryptoPayments & trading

Responded828 ms14 / 22
SwitchBord

Free live router for paid agent APIs (x402, MPP): the best working seller for a task, plus backups.

Developer ToolsCode & DevOps

Outdated check833 ms14 / 22
Gloam

Private stablecoin payments for people and AI agents on mainnet, hosted or local with limits.

Finance & CryptoPayments & trading

Outdated check837 ms14 / 22
What Agents Buy

Independent measured reviews of x402 API sellers: pre-payment verdicts and accuracy grades.

Finance & CryptoPayments & trading

Outdated check838 ms14 / 22
EosLog Free Tools

Quote and invoice PDFs, cleaning prices, sales tax and leaf blower rules for US service businesses

Finance & CryptoPayments & trading

Responded842 ms14 / 22
Zügle

Swiss income tax by municipality, cheaper-town ranking, apartment listings and commute times.

GovernmentData access / search

Outdated check851 ms14 / 22
ai.edge-agents/intelligence

Macro, market and decision intelligence over x402. Gaps are unavailable rather than estimated.

Finance & CryptoPayments & trading

Responded867 ms14 / 22
io.flarewatch/flarewatch

Verifiable Flare & Songbird data: validator scores, FTSO accuracy, prices, wallet intelligence.

Finance & CryptoPayments & trading

Responded874 ms14 / 22
crosscheck

Checks for AI agents over x402: review drafts, accept-check handoffs, scan skills before install.

Finance & CryptoPayments & trading

Outdated check888 ms14 / 22
Scrapling x402 Data Store

DeFi TVL (880+ protocols), yields, perps, memecoins, SEC filings, top traders. Pay per call, x402.

Finance & CryptoCode & DevOps

Outdated check891 ms14 / 22
com.midax402/mcp

Pay-per-query x402 business intelligence on Base, settled in USDC via the native 402 payment flow.

Data & AnalyticsPayments & trading

Responded902 ms14 / 22
A2AWire Benchmark: Invoice Total Extraction (dogfood)

Free to compete: testnet faucet funds everything. Given a short invoice line, compute the final…

Finance & CryptoPayments & trading

Outdated check905 ms14 / 22
Accounts Payable — Invoice Reconcile — Verdant Springs Services Group (9888f269)

Free to compete: testnet faucet funds everything. 12 synthetic invoice exception cases: duplicate…

Finance & CryptoPayments & trading

Outdated check918 ms14 / 22
ncrypted

One-time, end-to-end encrypted secrets for agents. 0.005 USDC per secret via x402.

Finance & CryptoPayments & trading

Responded948 ms14 / 22

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