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

4718 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
Quinn's Conveyance — Paid ComfyUI Knowledge MCP

Paid ComfyUI knowledge tools. 5 tools $0.005 USDC/call on Base via x402; ping, list_topics free.

Finance & CryptoPayments & trading

Outdated check485 ms13 / 22
Truedge Crypto Safety

Free crypto scam checks: token and contract risk, scam or sanctioned addresses, phishing links.

Finance & CryptoPayments & trading

Responded489 ms13 / 22
OnChainDiligence Payment Evidence

Inspect payment policy, retrieve and verify receipts, or create post-payment observation receipts.

Finance & CryptoPayments & trading

Responded490 ms13 / 22
VaultBags

Autonomous RWA treasury on Solana: daily allocation, on-chain receipts, proofs, your own vault.

Finance & CryptoPayments & trading

Responded490 ms13 / 22
tech.interpretai/PostAgent

Print & mail PDF/HTML/Markdown/text/DOCX/images to US addresses; pay per call in x402 USDC on Base.

Finance & CryptoFile & docs

Responded490 ms13 / 22
thePaymentsNotes Ledger

Verified agentic-commerce protocol status + merchant agent-readiness reports. Free on testnet.

Finance & CryptoCode & DevOps

Responded492 ms13 / 22
Spirit Cards

Read-only Spirit Cards MCP: PoW-mined NFT cards on Robinhood Chain — stats, cards, leaderboard.

Finance & CryptoPayments & trading

Responded498 ms13 / 22
Genaya

Run a service business from your assistant: appointments, clients, invoices, calls and tasks.

Finance & CryptoPayments & trading

Responded498 ms13 / 22
AnchorRegistry

On-chain provenance lookup for AnchorRegistry. Resolve AR-IDs, hashes, and full trees. Authless.

Finance & CryptoCode & DevOps

Responded499 ms13 / 22
Tracepay

Read-only payment state for USDC on Base/Solana (Bridge, Circle): completed, failed, or delayed.

Finance & CryptoPayments & trading

Responded504 ms13 / 22
PlainQuant

What US stocks did after past market events, and trend/business scores for US and HK stocks.

Finance & CryptoPayments & trading

Responded504 ms13 / 22
Criptonlabs Agent APIs

Read-only XRPL and Solana data for agents: fees, slippage, readiness. Free /mcp; x402 /mcp/pro.

Finance & CryptoPayments & trading

Responded510 ms13 / 22
Launch Lab XRP Data

XRP research, paper arena and free XRPL transaction explanations / x402 diagnostics. No signing.

Finance & CryptoPayments & trading

Responded511 ms13 / 22
Protocol Banks

Control plane for agent commerce: orders, payments, cards and trading under one mandate.

Finance & CryptoPayments & trading

Responded512 ms13 / 22
RelayShield Scam Checks

Free scam checks for links, wallets, emails, and breach exposure. No signup.

Finance & CryptoPayments & trading

Responded512 ms13 / 22
twitr.sh

X/Twitter reads, search, monitors and posting. Pay-per-call in USDC — no signup, no API keys.

Finance & CryptoData access / search

Responded517 ms13 / 22
Historical Edge

Precomputed, source-traced historical equity study results for AI agents; not trading signals.

Finance & CryptoPayments & trading

Responded518 ms13 / 22
Easy Labs MCP Server

Payments data, revenue workflows, and merchant-application guidance for AI agents, by Easy Labs.

Finance & CryptoPayments & trading

Responded521 ms13 / 22
RevExOS

Quote-to-cash tools: parse invoices and POs, match POs to invoices, collection emails, billing math.

Finance & CryptoPayments & trading

Responded525 ms13 / 22
com.edgethirteen.www/altman-z-score-calculator

Altman Z-Score bankruptcy-risk screen for a US-listed ticker, inputs looked up automatically.

Finance & CryptoPayments & trading

Responded526 ms13 / 22
OilPicker

Korean local-currency (지역화폐) discounts: fuel rates, effective prices, merchant search, deep links.

Finance & CryptoData access / search

Responded526 ms13 / 22
Brasil Data (pay-per-call via x402)

Brazil CNPJ, CEP, Selic/IPCA/PTAX, holidays, banks/ISPB for agents. Pay per call in USDC (x402).

Finance & CryptoPayments & trading

Responded527 ms13 / 22
Lead Enrichment API

Curated EU AI/Sec/DevTools/Fintech B2B leads, Claude-scored. MCP+x402. Free 250/mo.

Finance & CryptoCode & DevOps

Outdated check527 ms13 / 22
Forge Treasury

Non-custodial USDC yield vaults on Base mainnet with 9 MCP tools for AI agent treasury.

Finance & CryptoPayments & trading

Responded528 ms13 / 22

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