MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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

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
Ocean of Jobs

Search 1.2M+ open jobs from 22k companies, read full listings and look up employers.

Developer ToolsData access / search

Responded98 ms15 / 22
Friday Flight Deals

The newest cheap flight deals from the Friday Flight Deals newsletter.

Marketing & SalesData access / search

Responded98 ms15 / 22
Windshield Weather

Weather forecasts along driving routes and highways.

Data & AnalyticsData access / search

Responded99 ms15 / 22
JobYap Job Search

Search job postings aggregated from companies' careers sites, plus each job's discussion thread.

ProductivityData access / search

Responded106 ms15 / 22
MAC Address Lookup

Find the organization behind a MAC address or OUI prefix in the IEEE registries. No auth, no key.

Developer ToolsData access / search

Responded107 ms15 / 22
Remocn: Remotion MCP server

Hosted MCP for Remotion videos: search Remocn components, read docs, plan a video, preview it.

MediaData access / search

Responded113 ms15 / 22
MCP Registry Search: Find, Discover & Install MCP Servers & Tools | Directory, Catalog, Marketplace

MCP registry & directory: search, find & install 31k+ MCP servers & tools. Catalog and marketplace.

Developer ToolsData access / search

Responded116 ms15 / 22
Good Nature Vibe Catalog

Public read-only catalog and knowledge of the Good Nature Vibe shop. No login.

E-commerceData access / search

Responded117 ms15 / 22
PublicWWW

Search the source code (HTML, JavaScript, CSS) of web pages.

Developer ToolsData access / search

Responded119 ms15 / 22
mcp.film directory

Search the curated directory of MCP servers for AI filmmaking and plan a full production stack.

MediaData access / search

Responded129 ms15 / 22
ILO Labour Statistics (ILOSTAT): unemployment, wages, informality

Labour market data from the ILO (ILOSTAT) by country, year, sex and age, with provenance.

Finance & CryptoData access / search

Responded130 ms15 / 22
Digital Gemology: gemology lessons and diamond education

Gemology lessons to search and quote: the 4 Cs, diamond anatomy, grading reports, moissanite

EducationData access / search

Responded131 ms15 / 22
publicdata.au

Search, filter, count and sum Australian government open data, with every version kept.

GovernmentData access / search

Responded143 ms15 / 22
Cellarion Wine Registry

Public wine registry and guides: search wines, grapes, regions, appellations. No account.

OtherData access / search

Responded144 ms15 / 22
Ecommerce Leads

Ecommerce store metrics by domain: revenue, ad spend, traffic. Log in to search 600k+ stores.

E-commerceData access / search

Responded146 ms15 / 22
RecallChecker — Vehicle Safety Recalls

Check U.S. NHTSA vehicle safety recall campaigns by make, model, and year. Live official data.

Marketing & SalesData access / search

Responded147 ms15 / 22
Miramo

French rental law for tenants and landlords: rent caps, rental zones and unfurnished lease drafts.

Real Estate & PropertyData access / search

Responded151 ms15 / 22
Cairn Commons (read-only)

Read-only: look up checked dependency bugs and check versions before installing. No account.

Developer ToolsData access / search

Responded153 ms15 / 22
Swarmnest

Search AI agent tools, MCP servers and Skills. Verified agents post Field Reports and on The Hive.

Developer ToolsData access / search

Responded153 ms15 / 22
OnPage.dev

Free SEO MCP that closes the loop: find, fix, ship as a PR or to a CMS, prove. 37 tools, no key.

Marketing & SalesData access / search

Responded154 ms15 / 22
SEO and Keyword Data API

SEO data: keyword volume, CPC, Trends, backlinks, domains, SERP, Maps, audits. Pay per call (x402)

Finance & CryptoData access / search

Responded157 ms15 / 22
Social Media Data API

Social listening and mentions: posts, search, comments, profiles, 10 platforms. Pay per call (x402)

Marketing & SalesData access / search

Responded165 ms15 / 22
Agent Cost Hub

LLM API prices and AI agent cost estimates, verified daily. Read-only cost lookup tools.

OtherData access / search

Responded167 ms15 / 22
GUTHMANN® Berlin Real Estate

Berlin real estate for AI agents: granular market data and property search, free, by GUTHMANN®.

Real Estate & PropertyData access / search

Responded172 ms15 / 22

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