MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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

3335 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
ToolFit + MCPCheck

Audit, pin and diff agent tool lists; preflight and watch remote MCP servers. Free tier; x402.

Finance & CryptoPayments & trading

Responded201 ms13 / 22
DosePlot Agent API

PK serum simulation, reconstitution math and compound data for agents. Paid tools $0.01 via x402.

Finance & CryptoPayments & trading

Responded202 ms13 / 22
BizStats.me

Montenegro company filings, registry records, public tenders, Treasury payments and risk lists.

Finance & CryptoPayments & trading

Responded204 ms13 / 22
RocketChange exchange

Crypto and fiat exchange rates, limits and ready exchange links on rocketchange.io.

Finance & CryptoPayments & trading

Responded205 ms13 / 22
com.lvlltd/skill-market

x402 skill catalog on lvlltd.com — search, quote, pay with Base USDC, unlock sealed packs.

Finance & CryptoPayments & trading

Responded205 ms13 / 22
Context Relay

Compact, citation-verifiable public web context for AI agents, paid per use with x402.

Developer ToolsCode & DevOps

Outdated check205 ms13 / 22
Binyan.im · בניינים

Building committee (ועד בית) finances: apartments, payments, expenses, reports.

Finance & CryptoPayments & trading

Responded211 ms13 / 22
Agent Bazaar

Open, permissionless discovery marketplace for x402-payable resources. No account or KYC required.

Developer ToolsCode & DevOps

Outdated check215 ms13 / 22
lokalapi – Indonesian reference data

Official Indonesian region codes and KBLI 2025 business codes, pay-per-call via x402 (USDC on Base).

Finance & CryptoPayments & trading

Responded216 ms13 / 22
IndiaDigital

Free India tools for AI agents: tax, GST, salary, savings, due dates, gold, currency, video links.

Finance & CryptoPayments & trading

Responded224 ms13 / 22
Sats4AI - Bitcoin-Powered AI Tools

40+ Lightning-paid AI tools for agents: calls, SMS, fax, voice, translation. No signup, no keys.

Finance & CryptoPayments & trading

Outdated check224 ms13 / 22
xyz.chainverdict/chainverdict

Pay-per-call x402 checks before an agent moves money: token safety, wallet risk, identifiers.

Finance & CryptoPayments & trading

Outdated check225 ms13 / 22
Avo Cado Read

Web page to clean Markdown for agents. Pay per call ($0.003 USDC on Base) via x402.

Finance & CryptoPayments & trading

Responded230 ms13 / 22
com.snaptoll/snaptoll

UK tolls & charges: DVLA vehicle checks (ULEZ/CAZ/MOT/tax), prices, penalties, pay-by deadlines.

Finance & CryptoPayments & trading

Outdated check231 ms13 / 22
Wallet Doctor x402

Multi-chain wallet MCP. 18 tools: balance, swap, bridge, stake, claim. Pay-per-call USDC (x402 v2).

Finance & CryptoPayments & trading

Responded237 ms13 / 22
Mnemos — memory as a service

Bi-temporal memory-as-a-service and paid agent labor. Pay-per-call USDC via x402; signed receipts.

Finance & CryptoPayments & trading

Responded238 ms13 / 22
NythosX Agent Tools

Gas fees and USD tx costs on 6 chains, cheapest-chain ranking, URL to Markdown. Pay per call, x402.

Finance & CryptoFile & docs

Responded243 ms13 / 22
Coinfuty

Free crypto futures data: open interest, funding, long/short, liquidations, volume. No API key.

Finance & CryptoPayments & trading

Responded245 ms13 / 22
47620 Solana Data

Pay-per-call Solana data for AI agents over x402: token, account, tx, trending. No signup, no key.

Finance & CryptoPayments & trading

Outdated check245 ms13 / 22
Siima eSIM

Search travel eSIM plans for 150+ countries and buy via Stripe link; eSIM QR delivered by email.

Finance & CryptoPayments & trading

Responded250 ms13 / 22
OwlX AI Agent — Trading Intelligence

AI trading coach for crypto: structure scores, MemeSniper, token & stock financials. Education only.

Finance & CryptoPayments & trading

Responded250 ms13 / 22
INPC México

Mexico's consumer price index (INPC, INEGI), inflation between months and the Art. 17-A tax factor.

Finance & CryptoPayments & trading

Responded251 ms13 / 22
io.github.mixall11/botcorpus

Sourced, dated SK/CZ/AT/EU civic, tax and legal facts for AI agents. Read via MCP, not guesswork.

LegalCode & DevOps

Responded251 ms13 / 22
CBO MCP by usefulapi

Read invoices, orders, suppliers and payments; create and update clients and products in CBO.

Finance & CryptoPayments & trading

Responded252 ms13 / 22

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