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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5788 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
cmbs.news: CMBS loan data

Loan-level CMBS data from SEC filings: loans, trusts, CUSIPs, distress index, tenants, comps.

Real Estate & PropertyData access / search

Outdated check194 ms13 / 22
TradeAlmanac

TradeAlmanac market data: dividends, screener, sentiment indicators, calendar effects, stock lists.

Finance & CryptoData access / search

Outdated check194 ms13 / 22
WhatAreYouBuilding.AI

Search indie products and their builders by category, country and funding stage. No key to read.

OtherData access / search

Outdated check194 ms13 / 22
mechoulam.de Cannabis Evidence Register

GRADE-rated clinical evidence on cannabis as medicine (DE/EN). Search and cite studies.

HealthcareData access / search

Outdated check195 ms13 / 22
Mosaiden Souq — سوق المساعدين

Saudi marketplace: stores (Jarir, eXtra), classifieds, restaurant menus, hotels. Arabic-first.

TravelData access / search

Outdated check195 ms13 / 22
Ni Biashara Diaspora Directory

Free read-only search of 2,000+ African and Caribbean diaspora businesses in the US and Canada.

OtherData access / search

Outdated check197 ms13 / 22
UnderHyper

Hyperliquid referral code, perp markets, funding rates, HIP-3 dexes and site search. Read-only.

Developer ToolsData access / search

Outdated check199 ms13 / 22
Artnap

Search 497,000+ public domain paintings, prints and drawings from 72 museums, with museum records.

OtherData access / search

Outdated check199 ms13 / 22
EKO-IKSI Fertility Clinic

Fertility clinic in Tashkent: prices, services, doctors, articles and contacts in uz, ru, en.

HealthcareData access / search

Outdated check200 ms13 / 22
PodMule

Search, draft and manage your podcast workspace from your agent.

MediaData access / search

Outdated check201 ms13 / 22
AutoIsto — car watch

Watches Slovak used-car ads for a buyer. Takes no contact; active only after e-mail opt-in.

Marketing & SalesData access / search

Outdated check202 ms13 / 22
CheckMyVIN

Decode US-market VINs and list NHTSA recall campaigns for the make, model and year. Free, no auth.

Marketing & SalesData access / search

Outdated check203 ms13 / 22
AutoIsto CZ

Used cars for sale in Czechia: plain-language search, price verdicts and typical asking prices.

OtherData access / search

Outdated check203 ms13 / 22
Market Intelligence API

Market data for AI agents via x402: token safety, DeFi yields, order flow, SEC filings, macro, perps

Finance & CryptoData access / search

Outdated check205 ms13 / 22
Alexandria Archive

History of Alexandria, Egypt: search the archive, read articles, find events and prints.

OtherData access / search

Outdated check207 ms13 / 22
Akute Health MCP by usefulapi

Read Akute Health patients, appointments, tasks, notes, medications, allergies and observations.

HealthcareData access / search

Outdated check207 ms13 / 22
Printify MCP by usefulapi

Read shops, catalog blueprints, print providers, products and orders; create and publish products.

E-commerceData access / search

Outdated check208 ms13 / 22
Brent Burgess

Read-only facts from brentburgess.com: profile, writing, projects and the site's own datasets.

Data & AnalyticsData access / search

Outdated check209 ms13 / 22
Vedaword

Sanskrit scripture search: Mahabharata, Upanishads, Gita; cited verses, honest no-answer.

OtherData access / search

Outdated check210 ms13 / 22
LockTrip Hotels

Search hotels worldwide, compare rooms, prices and cancellation terms, then get a link to book.

TravelData access / search

Outdated check211 ms13 / 22
Bloomerang MCP by usefulapi

Search Bloomerang constituents and donations; log interactions, notes and tasks.

ProductivityData access / search

Outdated check211 ms13 / 22
KnowFulham

Curated places in Fulham, London: restaurants, coffee, pubs, parks and shops.

E-commerceData access / search

Outdated check212 ms13 / 22
DataClue — AI training data

Search and license real-world AI training data: egocentric video, UMI gripper demos, custom EEG.

MediaData access / search

Outdated check212 ms13 / 22
org.pinnacleblooms/ask

Non-diagnostic child-development knowledge by Pinnacle Blooms: search, milestones, ICF crosswalk.

OtherData access / search

Outdated check213 ms13 / 22

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