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.

Connect your agent

4076 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
SavePropTax

Free check of a California home for a Proposition 8 property tax reduction, plus owner filing.

Finance & CryptoPayments & trading

Outdated check565 ms14 / 22
Neuron Sports Ad Exchange

Autonomous AI sports ad exchange with quote-bound Stripe settlement and live delivery telemetry.

Finance & CryptoPayments & trading

Responded567 ms14 / 22
Signo

AI agents that watch DeFi positions: read a wallet report, draft agents for the owner to sign.

Finance & CryptoPayments & trading

Outdated check567 ms14 / 22
SignalHarness.ai

330 production AI-agent services for data, validation, AI, crypto, and x402 pay-per-use.

Finance & CryptoPayments & trading

Responded568 ms14 / 22
Leal

Design and launch Apple Wallet and Google Wallet loyalty stamp cards for your shop, café or salon.

Finance & CryptoPayments & trading

Responded569 ms14 / 22
Piku

Find creators and read their Rate Cards. Creators draft quotes and invoices on their Piku account.

Finance & CryptoPayments & trading

Outdated check569 ms14 / 22
Paddock

Pre-payment verification for AI agents.

Finance & CryptoPayments & trading

Outdated check574 ms14 / 22
PlainText Wallet Approval Checker

Explains wallet approvals and signature requests in plain language: SAFE, CAUTION or RISK.

Finance & CryptoPayments & trading

Outdated check577 ms14 / 22
MINT Protocol — Universal Work Attestation

Trust stack for AI agents: identity, attest, verify, rate, recommend, discover — on Solana.

Finance & CryptoPayments & trading

Outdated check578 ms14 / 22
SCRIPTMASTERLABS — Triple-Trigger

Triple-Trigger MCP: SPEC v2 triple-trigger ticker scans on live Schwab data. $0.05 x402 on Base.

Finance & CryptoPayments & trading

Responded583 ms14 / 22
Imperium Pre-Flight Readiness Auditor — A2A, MCP & x402 Validator

Audit any domain or agent for A2A, MCP, x402, MPP, ERC-8004, and Poppy readiness.

TravelPayments & trading

Outdated check585 ms14 / 22
Income Factory Toll Fabric

Eight metered machine-intelligence tools for AI agents with native x402 payment paths.

Finance & CryptoPayments & trading

Outdated check586 ms14 / 22
AgentDiet SEC EDGAR Public Company 10-K/10-Q Financial Intelligence

Resolves all 10,000+ US public stock tickers to SEC CIK numbers, recent 10-K/10-Q/8-K filings, an.

Finance & CryptoPayments & trading

Outdated check590 ms14 / 22
AgentDiet Base EVM & Solana Smart Contract Security Scanner

Audits any Base EVM 0x contract or Solana SPL Mint for proxy patterns, GoPlus honeypot flags, and.

Finance & CryptoPayments & trading

Outdated check590 ms14 / 22
mcp-x402 — MCP server for agents with autonomous USDC/RLUSD payments

85+ pay-per-call MCP tools: trading, federal grants/contracts, SEC, FTD. x402 USDC/RLUSD. No keys.

Finance & CryptoPayments & trading

Outdated check592 ms14 / 22
groTAX by Grovisor

UAE Corporate Tax: CT computation, SBR, penalties, free zone test, TP and health-check.

Finance & CryptoPayments & trading

Responded596 ms14 / 22
SCRIPTMASTERLABS — B20 Truth

Check Base B20 token claims against on-chain evidence. Settle-proven 2026-11-02 (SELF-PROOF).

Finance & CryptoPayments & trading

Responded600 ms14 / 22
Currency Rates (ECB)

Latest and historical ECB foreign-exchange reference rates for 30+ currencies, via Frankfurter.

Finance & CryptoPayments & trading

Responded601 ms14 / 22
io.github.m9labs-railscope/verantis-mcp

Verified directory for machine payments (x402 & MPP): check services and wallets before agents pay.

Finance & CryptoPayments & trading

Outdated check602 ms14 / 22
com.mart402/docs

Documents and web for AI agents: PDF parse, OCR, web extract, invoice checks. x402, no API key.

Finance & CryptoPayments & trading

Responded604 ms14 / 22
Tru-Stock AI

Find the cash trapped in your inventory, then size reorder points, safety stock and EOQ.

Finance & CryptoPayments & trading

Responded607 ms14 / 22
A.U.G.U.R Foresight

Solana + pump.fun intel for agents: launch verdicts, token risk, dev/wallet records, smart money.

Finance & CryptoPayments & trading

Responded608 ms14 / 22
Inbox eSIM

Travel eSIMs for 200+ countries: compare 100+ eSIM brands' prices and buy a plan (MPP, Stripe).

Finance & CryptoPayments & trading

Responded609 ms14 / 22
SCRIPTMASTERLABS — GhostKey MCP

Remote MCP for compliant pay-per-use agent capabilities with x402 execution.

Finance & CryptoPayments & trading

Outdated check610 ms14 / 22

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