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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4929 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
OneFindMe

Search AliExpress and eBay in any language: real listings with price, rating, delivery and links.

OtherData access / search

Responded174 ms14 / 22
Handsome Local

Search hand-picked websites for plumbers, electricians, roofers and other trades, with screenshots.

OtherData access / search

Responded174 ms14 / 22
Alexandria Archive

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

OtherData access / search

Responded176 ms14 / 22
MotorSingh Used Cars India

Search ~1.5M used cars for sale across India by city, brand, model, price and year.

OtherData access / search

Responded177 ms14 / 22
lahend.ee — Estonian court decisions

Estonian court decisions: full-text case-law search, each ruling linked to its companies. Free.

LegalCode & DevOps

Outdated check177 ms14 / 22
Virtuous MCP by usefulapi

Search donors and contacts, giving history, notes and projects, and log notes, tags and gifts.

ProductivityData access / search

Responded178 ms14 / 22
Generative Icons

Animated UI icons by LottieFiles. Search by meaning, set color, style and motion, export dotLottie.

OtherData access / search

Outdated check178 ms14 / 22
Hosco Hospitality Jobs

Search Hosco's live hospitality jobs across Spain, Italy, France, the UK and Switzerland.

OtherData access / search

Responded181 ms14 / 22
Actual group – offres d'emploi

Search Actual group job offers in France, find agencies and prepare applications.

OtherData access / search

Responded181 ms14 / 22
MCP Toplist

Search 100,000+ MCP servers ranked by real adoption data to find the right one for any task.

Developer ToolsData access / search

Outdated check183 ms14 / 22
Artnap

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

OtherData access / search

Responded184 ms14 / 22
EU Funding Calls Search

Find open and upcoming EU grant calls by topic. $0.02/call via x402.

Developer ToolsCode & DevOps

Outdated check184 ms14 / 22
CodeAtlas

Read-only CodeAtlas service catalog: list, get and search services. No authentication.

Developer ToolsData access / search

Responded187 ms14 / 22
DevDocs10

Search and read tested Swift, JavaScript, CSS and HTML docs from DevDocs10.

OtherData access / search

Responded188 ms14 / 22
Commercial Garage Doorman

Commercial Garage Doorman, Hamilton area commercial door service: business facts and site search.

OtherData access / search

Responded190 ms14 / 22
Kulturbase

Search and discover currently playable Nordic cultural recordings.

OtherData access / search

Responded192 ms14 / 22
Dev Facts Check

Software end-of-life dates, open-source licenses, browser support for web features and RFC facts.

OtherOther

Outdated check193 ms14 / 22
Xevol Store

Search Xevol's store of ready-made AI jobs, products and services. No account needed.

OtherData access / search

Outdated check195 ms14 / 22
Social Media Search API — Twitter, Instagram, Reddit, TikTok (XPOZ)

Twitter/X, Instagram, Reddit & TikTok data for AI agents. Billions of posts. No API keys.

Marketing & SalesData access / search

Outdated check195 ms14 / 22
DataClue — AI training data

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

MediaData access / search

Responded197 ms14 / 22
dokumendiregister.ee — Estonian public-authority documents

Estonian public-authority document registers: one search across all, docs linked to companies.

Developer ToolsFile & docs

Outdated check197 ms14 / 22
msza.ai — Polish Catholic Sermons ✝

Search public Polish Catholic sermons, transcripts, Scripture, prayers, churches and daily content.

OtherData access / search

Responded199 ms14 / 22
AutoPrivado

Private car sales in Europe: search listings, price estimate from VIN, portals, contracts.

LegalData access / search

Outdated check204 ms14 / 22
io.github.newspacemarket-com/mrd

Spacecraft component specs from vendor datasheets: search, digests, facts, gaps, budgets, bus design

Developer ToolsCode & DevOps

Responded205 ms14 / 22

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