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

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7641 servers

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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
ELIB - Armenian Digital Library

Search and cite books, authors and subjects of elib.am, the free Armenian digital library.

OtherData access / search

Responded455 ms14 / 22
codefmt

Format/lint JS, Python, HubL for automation platforms. Tools: format_code, format_json, ask_codefmt

OtherAutomation & workflows

Responded456 ms14 / 22
Clueforge

Personalised printable crosswords with a hidden solution word for birthdays, weddings and couples

OtherOther

Responded456 ms14 / 22
squidmaps

Make a web map of places, routes and areas, and get a link to share it.

OtherOther

Responded457 ms14 / 22
BDK Native

Preview and configure BDK Native apps, check health, buy builds and request delivery.

OtherOther

Responded457 ms14 / 22
Enervia Power — Solar & BESS sizing

Size solar, backup power and LiFePO4 battery systems for Iran; product picks and Persian guides.

OtherOther

Responded457 ms14 / 22
BetterChess

Chess MCP for Claude: engine analysis, attack maps, game review. One URL, no install.

OtherAI / LLM tooling

Responded457 ms14 / 22
Hogar Montevideo · Agenda de service técnico

Agendá un técnico de electrodomésticos a domicilio en Montevideo y Ciudad de la Costa (Uruguay).

OtherOther

Responded458 ms14 / 22
InvoiceSnap

Receipts you've read to Excel, CSV, Xero or QuickBooks files, VAT split per rate. Free.

OtherFile & docs

Responded458 ms14 / 22
Bereishes

Search and read classical Jewish texts: Tanach, Talmud, Midrash, halacha, and commentaries.

OtherData access / search

Responded459 ms14 / 22
Signature Maker

Write your name as a signature in 24 styles, with PNG, SVG and a practice sheet.

OtherOther

Responded460 ms14 / 22
Hunt Auto Group Texas: used car data

Read-only used-car data for Texas: NHTSA recalls and crash stars, EPA MPG, size by model year.

OtherOther

Responded460 ms14 / 22
Moving Polygons (published maps)

Search and read published animated maps of borders and history. No sign-in needed.

OtherData access / search

Responded461 ms14 / 22
FareDice

Cheap multi-country trips and non-stop fares in Europe and SE Asia; trip calls past 20 a day US$0.01

OtherOther

Responded461 ms14 / 22
Curaiz Remote Jobs

Find fresh remote jobs matched to a person's experience, goals, and eligible locations.

OtherOther

Responded461 ms14 / 22
Arabic Name Calligraphy

Writes names in Arabic script with alternative spellings, six calligraphy styles and PNG artwork.

OtherOther

Responded461 ms14 / 22
OpenGrant UK grants

Search UK grant schemes and funders: deadlines, awards, eligibility and official guidance links.

OtherData access / search

Responded462 ms14 / 22
Social Casino Index

Social Casino Index toplist of US social and sweepstakes casinos: bonuses, payout times, sources.

OtherOther

Responded462 ms14 / 22
Amaltash Investment & Retirement Calculators

Compound interest, investment, retirement, CD, S&P 500 and DCA calculators with charts.

OtherOther

Responded462 ms14 / 22
Mizan

Player ban records from 560+ game community ban lists, with Steam's own bans. Reads need no key.

OtherOther

Responded462 ms14 / 22
DiscreteRate

Run DRS demos (Fast-Slow Drain, Hamburger Duo, Valdez Tanker) and explore the paradigm.

OtherOther

Responded463 ms14 / 22
New York LLC Publication

NY LLC publication rules, clerk details, notice text and LLC Publishers' price in all 62 counties.

OtherOther

Responded463 ms14 / 22
KitchenGrade

Florida restaurant inspections, independent dated grades and official report links. Read-only.

OtherOther

Responded463 ms14 / 22
AI Receptionist Rankings

Ranked AI receptionists: dated prices at 100 and 200 calls, terms, integrations and the scoring.

OtherOther

Responded464 ms14 / 22

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