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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6015 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
IZOProfil.pl

Read-only building materials catalog: product search, specs and PLN net/gross prices.

E-commerceData access / search

Responded3464 ms12 / 22
Budowlanka.org

Read-only building materials catalog: product search, specs and PLN net/gross prices.

E-commerceData access / search

Responded3579 ms12 / 22
IZOProfil.org

Read-only building materials catalog: product search, specs and PLN net/gross prices.

E-commerceData access / search

Responded3619 ms12 / 22
Sandwich Panel EU

Read-only building materials catalog: product search, specs and PLN net/gross prices.

E-commerceData access / search

Responded3631 ms12 / 22
ECOProfil

Read-only building materials catalog: product search, specs and PLN net/gross prices.

E-commerceData access / search

Responded3654 ms12 / 22
PublicAPIs.io

Search 1,500+ public APIs with docs, code and auth/free-tier filters; list or sponsor your API.

OtherData access / search

Responded3687 ms12 / 22
StartDrugRehab.com Treatment Directory

Search licensed U.S. drug & alcohol rehab, detox, MAT, sober living and mental health centers.

HealthcareData access / search

Responded6473 ms12 / 22
Malta MPRP Guide

Verified Malta Permanent Residence Programme data: fees, requirements, process, statistics, homes.

Data & AnalyticsData access / search

Responded559 ms12 / 22
com.yieldzo/site

Yieldzo: the site's own MCP server — dataset; every answer cites the site.

Data & AnalyticsData access / search

Responded1203 ms12 / 22
ai.rxmanager/mcp

Live US drug acquisition costs (CMS NADAC) for AI assistants. Free, no auth, weekly data.

HealthcareData access / search

Responded56 ms12 / 22
Agua e Vida — On-Demand Purified Water Delivery & Refills

Check purified water delivery zones, product catalog pricing, and schedule refill orders.

E-commerceData access / search

Responded88 ms12 / 22
VetClinic.info — Veterinary Specialty Directory

Find US veterinary specialists. Search clinics, read procedure articles, estimate costs.

HealthcareData access / search

Responded90 ms12 / 22
WeBuyClubz — AI Golf Caddy, Club Catalog & Trade-In Engine

Search premium second-hand golf clubs, estimate instant trade-in values, and create 1-click carts.

Developer ToolsData access / search

Responded105 ms12 / 22
Job & Stay

Jobs and apprenticeships with accommodation in Europe: pay, housing, how to apply. Read-only.

Real Estate & PropertyData access / search

Responded114 ms12 / 22
CryptoData API

Crypto MCP with 21 tools for market data, DeFi, analytics, and sentiment. Post-paid USDC billing.

Finance & CryptoData access / search

Responded134 ms12 / 22
RemoShift Remote Jobs

Search 134,000+ live remote jobs from 19,500+ companies, refreshed hourly.

OtherData access / search

Responded141 ms12 / 22
DejaBars

Find historical chart-pattern matches across crypto markets from a sketch.

Finance & CryptoData access / search

Responded150 ms12 / 22
Canada Drug Product Lookup MCP

Look up any Canadian drug product by brand name or DIN. Free drug_search tool.

Developer ToolsData access / search

Responded154 ms12 / 22
Appside Docs and App Catalog

Game web store docs plus a free app catalog: agents list, verify and search apps and games.

OtherData access / search

Responded167 ms12 / 22
Remoote Remote Jobs MCP

Search remote jobs, compare salaries, create alerts, and request user-confirmed apply links.

Developer ToolsData access / search

Responded173 ms12 / 22
mu.micro/mu

News, web search, mail, markets, weather, places, files, calendar, contacts. 67 tools, one endpoint.

Data & AnalyticsData access / search

Responded173 ms12 / 22
Defici Marketplace MCP Server

Search and browse global classifieds across 80 markets. No auth required for read-only access.

Developer ToolsData access / search

Responded178 ms12 / 22
Bro Find AI

Search a curated directory of AI tools, AI agents and MCP servers by task, pricing and platform.

Developer ToolsData access / search

Responded191 ms12 / 22
SYMONE motorcycle transport

Motorcycle transport in France: search trips, request quotes, prepare bookings the customer pays.

OtherData access / search

Responded195 ms12 / 22

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