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

3356 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
PasteApply

Honest resume/cover tailor for agents. Free generate; Stripe unlock for downloads. Streamable HTTP.

Finance & CryptoPayments & trading

Responded541 ms12 / 22
Old West Minisplits

Austin TX flat-rate mini split prices, ZIP coverage, financing payments and quote requests.

Finance & CryptoPayments & trading

Responded544 ms12 / 22
ATC, All Things Crypto

Search and quote every ATC show on X Spaces: crypto, markets and AI talk, with speakers and links.

Finance & CryptoData access / search

Responded546 ms12 / 22
xyz.routheus/routheus

Multichain DEX router: free MCP tools for swap-quote prices, chains, catalog; paid via x402.

Finance & CryptoPayments & trading

Responded558 ms12 / 22
MarktBit Market Intelligence

Live crypto + IDX stock market intelligence for AI agents — 19 tools, no API key.

Finance & CryptoPayments & trading

Responded566 ms12 / 22
MTD Chase — chase clients for MTD records

UK bookkeepers: chase clients for Making Tax Digital quarterly records, upload links, reminders.

ProductivityFile & docs

Responded568 ms12 / 22
TokenSafe by PromptVault

Free token risk check (Base/Solana) + info on paid x402 reports. Not financial advice.

Finance & CryptoPayments & trading

Responded570 ms12 / 22
Responded572 ms12 / 22
Preflight SafeSwap

Safe Solana swaps for AI agents with risk checks, unsigned transactions, x402, and 3-bp fees.

Finance & CryptoPayments & trading

Responded573 ms12 / 22
io.github.SirCharan/homeloanscalculator

Free home loan EMI, eligibility, stamp duty and tax benefit calculators for India.

Developer ToolsCode & DevOps

Responded583 ms12 / 22
rentgpu GPU rental price market data

Hourly GPU rental prices; coverage updated daily. Free listing, paid queries via x402 on Base.

Finance & CryptoData access / search

Responded584 ms12 / 22
Blue Cap Machine Commerce

Deterministic MCP utilities, validation, evidence verification, and x402 commerce on Base.

Finance & CryptoPayments & trading

Responded590 ms12 / 22
dev.journalize/journalize

Agent-native double-entry accounting ledger with x402 micropayments

Finance & CryptoPayments & trading

Responded598 ms12 / 22
Crypto, web, finance and app data tools

185 tools: company jobs, token/wallet/company/website reports, crypto, EVM, SEC, FRED, weather, DNS.

Finance & CryptoPayments & trading

Responded599 ms12 / 22
365rwa RWA structured data (Chinese-language RWA intelligence)

Chinese RWA data: verification, scorecards, issuances, licenses, market, regulatory via x402.

Finance & CryptoPayments & trading

Responded600 ms12 / 22
ATK Magazine (sample content)

[SAMPLE / TEST CONTENT] Search ATK Magazine; articles $0.20 USDC on Base mainnet via x402.

Finance & CryptoPayments & trading

Responded606 ms12 / 22
Flipvo: licenses, entities, NPI, OFAC and OIG screens, carriers, OSHA, drive times

Pay-per-call agent tools (x402, MPP): licenses, entities, NPI, OIG/OFAC screens, FMCSA, OSHA, drive

Developer ToolsCode & DevOps

Responded610 ms12 / 22
io.github.HectorGuerilla/review-mcp

Multi-model code review: a panel of models + detectors return a pass/fail verdict. Paid via x402.

Developer ToolsCode & DevOps

Responded611 ms12 / 22
Japan Business Day

Japan business days & holidays (official Cabinet Office data). Free tool + x402 USDC paid tools.

Finance & CryptoPayments & trading

Responded616 ms12 / 22
LMX Cloud LLM Inference

OpenAI-compatible LLM MCP (7 tools); chat via balance key or x402 USDC on Base

Finance & CryptoAI / LLM tooling

Responded626 ms12 / 22
AgenticTotem Web Extractor

AI web extraction: send URLs + a JSON Schema, get clean structured data. Pay-per-use via x402.

Developer ToolsPayments & trading

Responded631 ms12 / 22
Disposable Email Checker

Checks if an email/domain is disposable (temp-mail). x402-metered per call.

ProductivityCommunication & messaging

Responded641 ms12 / 22
ClawdMarket

Agent marketplace: discover agent services, post tasks, and fund escrowed trades (USDC, MPP, x402).

Finance & CryptoPayments & trading

Responded642 ms12 / 22
Vermarco

Marketplace and payment rail for AI agents: list, buy and settle with signed receipts.

Finance & CryptoPayments & trading

Responded653 ms12 / 22

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