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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7697 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
לצדך: Israeli health insurance, from the policies

Israeli health insurance from the insurers' own documents: covers, fast routes, refunds, surgeons.

OtherPayments & trading

Responded559 ms14 / 22
HardCopy Labs

Order real 3D prints from chat: send an STL or OpenSCAD model, see one price, get it by UPS.

OtherOther

Responded559 ms14 / 22
SaaSOffers startup deals

Search 470+ verified startup deals, discounts and credits on SaaS tools, with claim links.

OtherData access / search

Responded560 ms14 / 22
Creator Validator by SoniaIA

Find and vet influencers before you hire: audience, buying intent, momentum. Order from chat.

OtherOther

Responded560 ms14 / 22
sh.rentadomain/rentadomain

Rent a domain name by the month: find it, price it, read the lease terms. You approve the rent.

OtherOther

Responded561 ms14 / 22
MantleKit Launch Planner

Generate MantleKit setup plans and launch-ready SaaS blueprints from a product idea.

OtherAI / LLM tooling

Responded562 ms14 / 22
Machine Presence Inspector

Read-only public website inspection: evidence-backed Machine Presence observations with uncertainty.

OtherOther

Responded562 ms14 / 22
MemoryPlugin

Give every AI you use one shared, permanent memory. Store once, recall in whichever AI you open.

OtherKnowledge & memory

Responded562 ms14 / 22
Graunt

The agent-native marketplace for AI data: search listings and read their price and rights.

OtherData access / search

Responded563 ms14 / 22
Sahara

Plain-language MedlinePlus health terms and a MyChart check for family caregivers. No PHI.

OtherOther

Responded564 ms14 / 22
Paradise Closets

Custom closets built to your measurements, shipped anywhere in the US. Estimates and quote requests.

OtherOther

Responded564 ms14 / 22
ExactMelt

Metal and coin melt values

OtherOther

Responded565 ms14 / 22
Mimicly

Make fictional chat mockups and text story scenes, with a preview and a link to edit in Mimicly.

OtherOther

Responded565 ms14 / 22
Contrie

Extract structured data from a web page, read it as markdown, verify values against the source.

OtherFile & docs

Responded565 ms14 / 22
Beacon by EVAA

Read-only facts about Beacon by EVAA: what it is, its offers and its AI search resources.

OtherData access / search

Responded566 ms14 / 22
xi.pe

Share text at a short URL. No account, no API key, expires within 7 days.

OtherOther

Responded566 ms14 / 22
ScreenParty

Create watch-together rooms, scheduled watch parties and branded class links. No sign-up.

OtherOther

Responded566 ms14 / 22
Amazap

Save money on AI spend. Starter credit for eligible new accounts. Details at amazap.com/credits.

OtherOther

Responded567 ms14 / 22
AI Certificates

Practice questions for the four Claude certifications. The assistant never sees the key.

OtherAI / LLM tooling

Responded568 ms14 / 22
Sitey — free subdomains

Claim a working subdomain in one call — A, CNAME and TXT records. No domain to buy, no account.

OtherOther

Responded568 ms14 / 22
StackerScan

Five read-only tools: spot prices, observed premiums, price history, Goldback rate, and currencies.

OtherOther

Responded569 ms14 / 22
Mode VC: Series A Institutional Venture Capital Firms & Partners

Search institutional series-a venture capital firms, partner profiles, and valuation.

OtherData access / search

Responded569 ms14 / 22
Mode VC Chart: Best AI for Math: The Arena Math Leaderboard

14 models are statistically tied for #1 in Arena math, spanning 49 points. 4 are Flash models.

OtherOther

Responded569 ms14 / 22
WonderKit Discover

Read-only city guides and public itineraries for family and group trips.

OtherOther

Responded569 ms14 / 22

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