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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4703 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
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Outdated check806 ms14 / 22
PJELLY Deals

Honest buying guides for crypto exchanges and hardware wallets, with disclosed affiliate links.

Finance & CryptoPayments & trading

Responded811 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
co.truerent/rental-review

Free professional review of a contractor's equipment rental invoices. Referral and intake only.

Finance & CryptoPayments & trading

Responded814 ms14 / 22
Arctic White

Lab consumables from Arctic White: search, specs, price and stock, shipping, checkout and quotes.

Finance & CryptoPayments & trading

Responded819 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
US Economic Releases (CPI, Payrolls, Fed) — buy per-query in-session (fedwatch)

CPI, payrolls, unemployment, Fed statements. $0.05/query, free testnet funds in-session.

Finance & CryptoPayments & trading

Outdated check827 ms14 / 22
RBSHome

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

Finance & CryptoPayments & trading

Responded828 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Outdated check837 ms14 / 22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
A.U.G.U.R Foresight · Chain

Cross-chain markets: prices, DeFi TVL, yields, stablecoins, gas, order books, perps funding.

Finance & CryptoPayments & trading

Responded844 ms14 / 22
Crank Protocol

Non-custodial DeFi tools for AI agents on Solana: swaps, perps, lending, staking, equities.

Finance & CryptoPayments & trading

Outdated check850 ms14 / 22
io.github.cyanheads/exchange-rates-mcp-server

Convert currencies, get FX rates, and query historical Frankfurter v1 exchange rate data.

Finance & CryptoCode & DevOps

Outdated check851 ms14 / 22
BIDON - Parts & Materials Buying/Selling AI Agent (비드온)

Korean parts stock, quotes, alternatives by part number, and sellers by product type. 비드온 AI 에이전트

Finance & CryptoPayments & trading

Responded864 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
JobJump

Jobs, salaries, net pay and labour-market data for Germany from the JobJump job board.

Finance & CryptoData access / search

Responded868 ms14 / 22
io.flarewatch/flarewatch

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

Finance & CryptoPayments & trading

Responded874 ms14 / 22
Geode

Use the Geode blockchain's apps: marketplace, social, surveys, messaging, DNS and GEODE transfers.

Finance & CryptoPayments & trading

Responded884 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
Kitbench

Exact Japanese text & date tools: char count, business days with JP holidays, era, tax, units.

Finance & CryptoPayments & trading

Responded889 ms14 / 22
Hesper Atlas Evidence

Verify stock signals, replay evidence, provenance, freshness, and caveats.

Finance & CryptoPayments & trading

Responded889 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
AtlasYield

DeFi vault judgment for agents: 16-factor Atlas Score, route survival, blowup alerts. Read-only.

Finance & CryptoPayments & trading

Outdated check899 ms14 / 22

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