MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

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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.

Connect your agent

4090 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
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Outdated check827 ms14 / 22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Outdated check837 ms14 / 22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Outdated check838 ms14 / 22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Outdated check850 ms14 / 22
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
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
Hesper Atlas Evidence

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

Finance & CryptoPayments & trading

Responded889 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
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
China Futures Clock

China futures trading days, session hours, contract expiries and exchange rule changes.

Finance & CryptoPayments & trading

Responded911 ms14 / 22
The Cure Protocol

Agent research API for 15 disease areas, plus a T1D cure lab, sourced evidence ledger and models.

Finance & CryptoPayments & trading

Responded914 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
Curade — prediction-market & perp-funding data (x402)

Polymarket & Hyperliquid funding data as MCP tools; pay per call via x402 (USDC, Base).

Finance & CryptoPayments & trading

Responded949 ms14 / 22
Jerome Handy Wash

Read-only Jerome Handy Wash machines, prices, hours, payment methods, FAQ and contact links.

Finance & CryptoPayments & trading

Responded954 ms14 / 22
Highwire

Trade, launch and research higher.fun coins on Solana, from any AI agent. Unsigned or policy-signed.

Finance & CryptoPayments & trading

Outdated check974 ms14 / 22
Outdated check979 ms14 / 22
Inventory Ledger Reconciliation

Free to compete: testnet faucet funds everything. Reconstruct sellable stock from retries, clock…

Finance & CryptoPayments & trading

Outdated check981 ms14 / 22

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