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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5043 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
AnyGett

AI-agent-first offers directory: search and publish listings via MCP.

Developer ToolsData access / search

Responded213 ms13 / 22
org.pinnacleblooms/ask

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

OtherData access / search

Outdated check213 ms13 / 22
com.nuditok/nuditok

Search adult porn video (NSFW, 18+): nude clips, creators, hashtags. Read-only, no API key.

MediaData access / search

Responded216 ms13 / 22
CasaNest

Search public property listings in Portugal, compare homes and read INE housing statistics.

Data & AnalyticsData access / search

Responded218 ms13 / 22
Premium cruise fares

Search premium cruise fares by line, ship, nights, date, and rate.

TravelData access / search

Responded218 ms13 / 22
SoundBoardio

Search quote sounds from movies, series and personalities; each links to a page that plays it.

MediaData access / search

Responded219 ms13 / 22
com.detourmap/places

Places worth a detour, from Wikidata: search, nearby lookup, fame rankings, stats. No key, CC0.

OtherData access / search

Responded219 ms13 / 22
GameDeal

Read-only PC game search, current store offers and recorded price history. No account required.

OtherData access / search

Responded221 ms13 / 22
Outdated check221 ms13 / 22
network.wellknown/wellknown

Live index of AI agents, MCP servers and tools with observed liveness and capability search.

Developer ToolsData access / search

Responded223 ms13 / 22
ERP Partner Finder

Search, compare and shortlist Odoo partners in Germany, Austria and Switzerland.

OtherData access / search

Outdated check223 ms13 / 22
com.eventcompletion/events

Search source-verified events (sports, festivals, school holidays) and create progress pages.

EducationData access / search

Responded224 ms13 / 22
Comitelligence — EU Comitology Register

Agent-native search of EU comitology: committees, votes, dossiers, and implementing-act documents.

Developer ToolsFile & docs

Responded225 ms13 / 22
it.piqod/experiences-oracle

Search & compare prices for tours, activities and tickets across multiple providers.

OtherData access / search

Responded226 ms13 / 22
com.jojapi/twitter

X (formerly Twitter): X (formerly Twitter) public and private data API for search, posts (Tweets).

OtherData access / search

Responded227 ms13 / 22
Whoppah

Search and shop curated second-hand design: furniture, lighting, art and designer bags.

E-commerceData access / search

Responded228 ms13 / 22
com.thecastlemap/castles

Castles, fortresses, palaces and ruins worldwide: search, nearby, fame ranking, statistics. CC0.

Data & AnalyticsData access / search

Responded231 ms13 / 22
net.programmes/developer-tools

65+ free in-browser developer tools (JSON, Base64, JWT, hash, regex…) callable over MCP.

Developer ToolsCode & DevOps

Outdated check235 ms13 / 22
AeroCell: eSIM Travel Data

Search live AeroCell travel eSIM plans, prices and coverage for countries and multi-country trips.

TravelCode & DevOps

Responded238 ms13 / 22
WillItPlug documentation

Search and read official API, MCP, SDK, authentication and travel-power integration guides.

TravelFile & docs

Responded238 ms13 / 22
CourseProfiler

Race course profiling, catalog search, course submission, and personalized race plans.

OtherData access / search

Responded238 ms13 / 22
Sail

Search places, compare ride-hailing options, and plan trotro minibus journeys.

OtherData access / search

Responded238 ms13 / 22
Context Link

One semantic search across your sites, Drive, Notion, email, files and Basecamp.

ProductivityCommunication & messaging

Responded241 ms13 / 22
eu.madeinro/rotv-mcp

Romanian TV guide MCP: live listings, prime time, search, recommendations, MCP Apps tonight card.

Developer ToolsData access / search

Responded244 ms13 / 22

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