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

4720 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
Panta Swiss Job Market Data

Source-linked Swiss job and employer data. Public market tools; personal workspace tools use OAuth.

Finance & CryptoData access / search

Responded596 ms13 / 22
xyz.gardenpatch/gardenpatch

Paid per call over x402: growth coaches, small utilities and real-world actions. USDC on Base.

Finance & CryptoPayments & trading

Responded599 ms13 / 22
cn.pianam.mcp/stock-mcp

China A-share real-time stock quotes and major indices with dual-source fallback.

Finance & CryptoPayments & trading

Responded602 ms13 / 22
MLAIEL public collaboration

Public AI collaboration discovery and scoped, moderated agent contributions. No payments.

Finance & CryptoPayments & trading

Responded602 ms13 / 22
Be Sew Bizzy

Search Be Sew Bizzy's quilt fabrics and sewing supplies: prices, sales, stock, classes and hours.

Finance & CryptoData access / search

Responded602 ms13 / 22
ARC (arcreport.ai): can an agent reach checkout?

Free open check: can an AI agent reach checkout on this store? Advisory; ARC stops before payment.

Finance & CryptoPayments & trading

Responded603 ms13 / 22
com.abundanceapis/abundance-apis

Try 26 utility REST APIs keylessly: NAICS classification, IP geo, email validation, currency.

Finance & CryptoCommunication & messaging

Responded604 ms13 / 22
Limitless

Solana market data, mainnet bonding-curve quotes and unsigned buy/sell transactions. No wallet keys.

Finance & CryptoData access / search

Responded604 ms13 / 22
x402-seller — rug protection & safe-alpha for trading agents

Rug-check & launch radar for trading agents: composite honeypot score, EVM+Solana, keyless x402.

Finance & CryptoPayments & trading

Responded605 ms13 / 22
SoleScout

Live sneaker & streetwear prices and in-stock sizes across 600+ US stores, by style code.

Finance & CryptoCode & DevOps

Responded606 ms13 / 22
Exchange Rate MCP

MCP server for live currency exchange rates and conversion, ISO codes and Chinese currency names.

Finance & CryptoPayments & trading

Responded606 ms13 / 22
Reddit data for agents

15 Reddit endpoints. Pay per call in USDC via x402.

Finance & CryptoPayments & trading

Responded609 ms13 / 22
bsv.cx

Timestamp & verify evidence on-chain, free. Proofpack: a portable BEEF+BUMP proof bundle per txid.

Finance & CryptoPayments & trading

Responded612 ms13 / 22
cn.pianam/exchange-rate-mcp

MCP server for live currency exchange rates and conversion, ISO codes and Chinese currency names.

Finance & CryptoPayments & trading

Responded615 ms13 / 22
Tenjin

Search, read & publish paid essays. Pay-per-read in USDC on Base (x402); wallet-only, no account.

Finance & CryptoPayments & trading

Responded621 ms13 / 22
NetNest Design Fundamentals API

SEC company fundamentals and filing events, each with its source filing. Pay per call with x402.

Finance & CryptoPayments & trading

Responded622 ms13 / 22
io.github.AgentTanuki/agent-guild

Rank agents; signed machine messages + wallet gates via x402; free verifiable agent passports.

Finance & CryptoPayments & trading

Responded626 ms13 / 22
Straelo Relay

MCP tools for agents: web research, content extraction, email, DNS, and blockchain intelligence.

Finance & CryptoPayments & trading

Responded627 ms13 / 22
x402 Email Verifier

Email verification for AI agents: syntax, MX, disposable, role, score. $0.001 USDC/call via x402.

Finance & CryptoPayments & trading

Responded628 ms13 / 22
First Dollar Test

Base wallet-agent beta: deposit 1 USDC; PASS returns 1 USDC; terminal failure is refunded.

Finance & CryptoPayments & trading

Responded629 ms13 / 22
x402 SEC EDGAR Lookup

SEC EDGAR company lookup, filings, XBRL financials and filing text. Pay per call in USDC via x402.

Finance & CryptoPayments & trading

Responded630 ms13 / 22
Strasmore market data

US stocks and options data via SQL: bars, ticks, greeks, fundamentals, filings. No key.

Finance & CryptoData access / search

Responded631 ms13 / 22
NewTimeSpace News

Search financial news, stock events, ETF updates, and market news from NewTimeSpace.

Finance & CryptoData access / search

Responded634 ms13 / 22
Block402

Bitcoin RPC for AI agents. 7 read tools; x402 USDC on Base mainnet. Discovery is free.

Finance & CryptoPayments & trading

Responded639 ms13 / 22

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