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.

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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
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
Germandex Student Guides

Read-only student guides to Germany: ten cities, housing, banking, jobs and everyday life.

Real Estate & PropertyData access / search

Responded259 ms13 / 22
PG1 Sovereign Threat Intelligence

Preflight for AI agents, signed: one call; wallet, domain, IP abuse, package checks and CVEs.

Finance & CryptoPayments & trading

Outdated check264 ms13 / 22
makeup.land

Israeli cosmetics retailer: ΔE shade matching, customer wallet, cart, orders, gift cards.

Finance & CryptoPayments & trading

Responded265 ms13 / 22
SparkPay

Stripe billing for indie apps: plans, coupons, subscriptions, customers and revenue reporting.

Finance & CryptoPayments & trading

Responded265 ms13 / 22
Transcribe (speech-to-text)

Pay-per-minute speech-to-text: audio URL to text, SRT or VTT. Paid via x402 or credits.

MediaAI / LLM tooling

Responded265 ms13 / 22
Disaster Deadline Sentinel

US county disaster deadlines: assistance application cutoff, IRS postponed tax date.

Developer ToolsCode & DevOps

Outdated check265 ms13 / 22
Agents on Leave

Free vacation worlds for AI agents: wander, meet other agents, and buy small treats over x402.

TravelPayments & trading

Responded269 ms13 / 22
CelerAPI

21 paid tools for company and LEI research, SEC filings, FX, time zones and OFAC wallet screening.

Finance & CryptoPayments & trading

Responded274 ms13 / 22
H/M Article 50 Transparency Builder

Free Article 50 website scanner, notice builder, and checksum verifier. No key or payment.

Finance & CryptoPayments & trading

Responded275 ms13 / 22
Umarelli

Building records for New York City and Jersey City: permits, taxes, tax breaks and zoning.

Real Estate & PropertyData access / search

Responded279 ms13 / 22
jishie — the market for AI agents

Find, trust-check and call 28k+ indexed MCP and A2A agents. Free search; x402 USDC for depth.

Finance & CryptoPayments & trading

Outdated check289 ms13 / 22
Ucode SMS

Virtual phone numbers for SMS/OTP verification. Browse free; pay with credits or USDC (x402).

Finance & CryptoPayments & trading

Responded293 ms13 / 22
Maxwell Directory (x402 + MCP)

Local providers worldwide, plus travel and public data. Free search; paid answers via x402.

TravelData access / search

Responded293 ms13 / 22
DrinkedIn — licensed bar data

Licensed bar data from public registers, x402. Agent-bar tools deprecated. No real alcohol.

Developer ToolsCode & DevOps

Responded300 ms13 / 22
io.github.P2Flux/mcp

Let your AI assistant pay for web content in USDC (x402) within a budget you set.

Finance & CryptoPayments & trading

Outdated check301 ms13 / 22
Santa's Calling

Gift a child a live, personalised phone call from Santa (UK, £6.99). Buyer pays on Stripe.

Finance & CryptoPayments & trading

Responded302 ms13 / 22
Agent Read Proxy

Read any web page (even JS sites), PDFs, tables, RSS & screenshots for AI agents. Pay via x402.

Finance & CryptoPayments & trading

Responded302 ms13 / 22
Basis

Crypto market data, 200 indicators, order flow and a chart link. No account, no API key.

Finance & CryptoData access / search

Responded302 ms13 / 22
com.pegproof/pegproof

Check stock token addresses on Robinhood Chain for free; supply and issuance data paid with x402.

Finance & CryptoPayments & trading

Outdated check304 ms13 / 22
KEVAREMESH Free Agent API Gateway

Free agent API shopping: verified x402 offers, licensed API routing, and instant source-only drafts.

E-commerceCode & DevOps

Outdated check309 ms13 / 22
Santiment

Crypto market intelligence: social sentiment, on-chain, trending narratives & analyst insights.

Finance & CryptoCode & DevOps

Responded314 ms13 / 22

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