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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7461 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
SvGrid

Checks AI-written SvGrid code against the real API, plus version-pinned Svelte 5 grid docs.

OtherOther

Outdated check78 ms14 / 22
cityparity — Cost-of-Living & Quality-of-Life Comparison

Cost-of-living & quality-of-life comparison: take-home pay, equivalent salary, safety-net deltas.

OtherOther

Responded79 ms14 / 22
biseyvarmi.com – Etkinlik Rehberi

Upcoming theatre, concerts, stand-up, exhibitions and festivals in Türkiye. Read-only, no sign-in.

OtherOther

Responded79 ms14 / 22
Octagon Cards

Find UFC cards, read saved estimates and recorded sales, and compare sales of related editions.

OtherOther

Responded79 ms14 / 22
ClockInToday: No-Interview Jobs

Requirements and pay for 112 US jobs and gig apps you can start without an interview

OtherOther

Responded80 ms14 / 22
Biology Verdict

Longevity product reviews as data: dated US prices, cited sources and disclosed store links.

OtherOther

Responded80 ms14 / 22
BenchLeader

Daily LLM leaderboard from independent benchmarks: ranks, scores, prices, speed and comparisons.

OtherAI / LLM tooling

Responded80 ms14 / 22
8B AI Website Builder

AI website & landing page builder: animated site in an 8B design, preview, edits, HTML download

OtherOther

Responded80 ms14 / 22
Fleek for Business

Subscription brands a card, loyalty, benefits or telco programme could offer, by market.

OtherPayments & trading

Responded80 ms14 / 22
Wireless Choices Plan Finder

Compare Australian mobile, prepaid, mobile broadband and nbn plans listed on Wireless Choices

OtherOther

Responded82 ms14 / 22
Tennessee Property Records

Who owns any Tennessee parcel: owner search, ownership and sale history across 2.8M parcels.

OtherData access / search

Responded82 ms14 / 22
Mettakin

First-person meditation experiences shared by humans. Search, read and cite them.

OtherData access / search

Outdated check82 ms14 / 22
Faceabot Public holidays

Public holidays of about 200 countries: next holidays, is a given date a holiday. Free, no key.

OtherOther

Responded83 ms14 / 22
Storra for Creators

Find real charity stories a creator could make content about. Read-only, no sign-in.

OtherOther

Responded83 ms14 / 22
ConsoleMouse profiles

Write and check ConsoleMouse profile files: format, validator, plain-language preview, import code.

OtherOther

Responded83 ms14 / 22
AI Anyone

Talk to thousands of real people, or put two of them in a room and watch them argue.

OtherOther

Responded83 ms14 / 22
com.linklyhq/linkly

Create and manage short links, track clicks, and automate URL management

OtherAutomation & workflows

Responded83 ms14 / 22
Sous Chef

Save, import and edit recipes as interactive cards in ChatGPT and Claude, synced to your iPhone.

OtherAI / LLM tooling

Outdated check83 ms14 / 22
Faceabot World time

Current time, time zones and time conversion for any city in the world. Free, no key.

OtherOther

Responded84 ms14 / 22
XCOPYBook

Read-only XCOPYBook: book chapters, search, collector profiles and the XCOPY works registry.

OtherData access / search

Outdated check84 ms14 / 22
530A Model calculator

Free, deterministic 530A (Trump Account) projections, verified rules, and searchable guides.

OtherOther

Outdated check84 ms14 / 22
app.agendaforge/agendaforge

Event management for organizers: events, sessions, speakers, agendas, forms, approval-gated writes.

OtherOther

Responded85 ms14 / 22
Awwab Qibla & Quiz

Qibla direction from anywhere, with a live compass link, and an Islamic knowledge quiz. By Awwab.

OtherOther

Responded86 ms14 / 22
zRev AI

Grade any llms.txt, cold-read a homepage, run a B2B GTM ROI model, get a GTM diligence checklist.

OtherOther

Responded86 ms14 / 22

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