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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5430 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
Threads by 1Social

Publish and schedule Threads posts from your AI assistant.

OtherOther

Requires authOutdated checkNot measured5 / 22
TLDers Domain Prices

Compare domain prices across 145+ registrars and 1,100+ TLDs, find promo codes, check availability.

OtherOther

Requires authNot measured5 / 22Not checked yet
TokenSafe

Reduce your AI bills by up to 99% locally: focused code, warm prompt caches & zero secret leaks.

OtherOther

Requires authNot measured5 / 22Not checked yet
TracePass

Manage products, EU Digital Product Passports, operator parties, and GS1 EPCIS supply-chain events.

OtherOther

Requires authNot measured5 / 22Not checked yet
Traintrackr

GB (National Rail) train times: live departures, platforms, timetables and journey planning.

OtherOther

Requires authNot measured5 / 22
Trove

Shared lists for the circles you belong to. Assistants see only the tasks you can.

OtherOther

Requires authOutdated checkNot measured5 / 22
UiChemy AI Website Creator

Build a WordPress site with AI from a brief, then export to Elementor or Gutenberg.

OtherOther

Requires authOutdated checkNot measured5 / 22
Uproad

Share prototypes as private links clients open without an account, attach specs, read comments.

OtherOther

Requires authNot measured5 / 22Not checked yet
Upstream.so

Manage 24/7 live streams, media, playback queues, schedules, and multistreaming from AI assistants.

OtherOther

Requires authNot measured5 / 22
Useful Work

Find and fix mistakes on your live website: wording, broken links, slow pages, certificate, domain.

OtherOther

Requires authOutdated checkNot measured5 / 22
VerifyDesk

Verify French and UK companies, EU VAT and IBANs; screen OFAC, UN, EU and UK sanctions lists.

OtherOther

Requires authNot measured5 / 22Not checked yet
Viral Swipe File

Know what to post: viral TikToks and Instagram Reels with their hooks, filed by niche and format.

OtherOther

Requires authOutdated checkNot measured5 / 22
Virohana Business

Virohana business catalogue, pricing, company info & quote intake. Bearer auth, rate-limited.

OtherOther

Requires authNot measured5 / 22Not checked yet
Voice Capture

Add voice answers to open-ended survey questions; create projects, get snippets, read transcripts.

OtherOther

Requires authNot measured5 / 22Not checked yet
VPSnet

Manage VPSnet servers, apps, private networks and Functions with authorized customer access.

OtherOther

Requires authOutdated checkNot measured5 / 22
Whalesync

Build and manage Whalesync syncs: connect apps, map tables and fields, monitor and fix issues.

OtherOther

Requires authOutdated checkNot measured5 / 22
Whereabot

Ask the user's phone where they are now. The phone answers each request with consent.

OtherOther

Requires authNot measured5 / 22
whereamimentioned

Measure whether AI assistants mention your brand. Reports, model answers, scans, free site tools.

OtherOther

Requires authNot measured5 / 22Not checked yet
Whisper Memos

Read, summarize and act on the voice memos you record with Whisper Memos.

OtherOther

Requires authOutdated checkNot measured5 / 22
Widely

Connect your communications to your AI.

OtherOther

Requires authOutdated checkNot measured5 / 22
Wise Owl

Daily to-do list for engineers: read, add, tick off and move tasks; unfinished ones carry over.

OtherOther

Requires authOutdated checkNot measured5 / 22
WizerAPI Review Intelligence

Analyze customer reviews: sentiment, emotion, topics, themes, digests, and drafted replies.

OtherOther

Requires authNot measured5 / 22Not checked yet
Worthbase

Household net worth and portfolio tracker your AI keeps: priced daily, previewed and undoable.

OtherOther

Requires authOutdated checkNot measured5 / 22
X (Twitter) by 1Social

Publish and schedule tweets and threads on X (Twitter) from your AI assistant.

OtherOther

Requires authOutdated checkNot measured5 / 22

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