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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41463 servers

Ordered by checks passed
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
Canli Capital

443 finance tools, 60 prompts: quant, SEC and EU filings, fact checks, rates, odds, DeFi, macro.

Developer ToolsCode & DevOps

Outdated check288 ms15 / 22
Siemens

Search public Siemens web content, product catalog, customer references and media.

E-commerceData access / search

Responded289 ms15 / 22
Dyscalculia.io

Open number-sense practice data and game catalogue for dyscalculia. Read-only.

OtherOther

Outdated check289 ms15 / 22
FiatDock

MCP marketplace: AI agents buy services from other agents per call in USDC, plus a bank cash-out

Finance & CryptoPayments & trading

Outdated check289 ms15 / 22
Duo Data Utilities: IBAN, VAT, ISIN Validation API

IBAN, ISIN, VAT/tax ID, GTIN validation; timezone, geo, text, chain utilities. Pay per call

Finance & CryptoPayments & trading

Outdated check289 ms15 / 22
Hovercode

Create and manage QR codes, short links, landing pages, and forms in your Hovercode workspace.

Developer ToolsCode & DevOps

Outdated check290 ms15 / 22
Billomat MCP by usefulapi

Read Billomat clients, invoices, offers, credit notes, reminders; create clients and draft invoices.

ProductivityPayments & trading

Responded291 ms15 / 22
Bullrun: Global Stock & UCITS ETF Research

Free, no sign-up: global stocks, UCITS ETF costs and overlap, company risk and macro, all dated.

Finance & CryptoPayments & trading

Responded293 ms15 / 22
NEARpedia

Live NEAR knowledge for agents: deprecations, breaking changes, protocol and contracts, dated

LegalCode & DevOps

Responded293 ms15 / 22
McpStamp Onboarding

New-hire onboarding plans from role templates: tasks with due dates, progress, overdue items.

Developer ToolsCode & DevOps

Responded294 ms15 / 22
Acuity Scheduling MCP by usefulapi

Read appointments, types, calendars and availability; create, cancel or reschedule bookings.

ProductivityFile & docs

Responded295 ms15 / 22
Car Rental Brain

Real cost of car hire at 170+ airports: second driver, cover, deposits, debit cards, desk hours.

TravelData access / search

Outdated check295 ms15 / 22
Pandough

Flour-first dough plans: yeast, hydration, schedule from flour you own. No API key for plan tools.

Developer ToolsCode & DevOps

Outdated check295 ms15 / 22
UnoRouter

Search 200+ UnoRouter models (most free), check pricing, and chat through one key

Developer ToolsData access / search

Outdated check296 ms15 / 22
KiotViet MCP by usefulapi

Read KiotViet products, customers, invoices, orders and stock; create customers and orders.

Finance & CryptoPayments & trading

Responded297 ms15 / 22
Printags docs

Answers questions about Printags cards, prices, ordering, the API and MCP servers. Read-only.

OtherOther

Outdated check297 ms15 / 22
Horseback - Zaplanuj wyjazd lub integrację na Jurze

Horse riding and outdoor centre in Jura, Poland: activities, prices, events, trips, directions.

OtherOther

Responded298 ms15 / 22
io.github.89rat/code402

Discover machine-payable APIs, probe x402 payment terms, and run seller operations. Non-custodial.

Finance & CryptoPayments & trading

Responded298 ms15 / 22
AddEvent MCP by usefulapi

Read AddEvent calendars, events, RSVPs and subscribers; create and update calendars and events.

ProductivityFile & docs

Responded298 ms15 / 22
Kill My Idea

Judges startup and side-project ideas: KILL IT, FIX IT or SHIP IT, a 0-100 score and 8 sub-scores.

OtherOther

Outdated check298 ms15 / 22
Epic Fantasy 101 Booklist

Fantasy book recommendations: ranked reading list of 101 epic fantasy books like the ones you love.

OtherOther

Outdated check299 ms15 / 22
Sapling HR MCP by usefulapi

Search employee profiles, read profile fields and list HR tasks in Sapling HR.

Developer ToolsData access / search

Responded300 ms15 / 22
uniwire

Electrical single-line and multi-line diagrams: build, check (NF C 15-100, IEC 60364), draw, PDF.

Developer ToolsCode & DevOps

Responded301 ms15 / 22
17TRACK MCP by usefulapi

Track parcels across 3000+ carriers with 17TRACK: register numbers, read tracking events and quota.

Developer ToolsCode & DevOps

Responded303 ms15 / 22

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