MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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.

Connect your agent

5233 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
Roomproof

Room planning to scale from your AI: it places furniture, Roomproof checks walkways and door swings.

OtherOther

Outdated check117 ms13 / 22
diglabo: Math & Kanji Worksheets(算数・漢字)

Kids' math worksheets in 5 languages, plus Japanese kanji worksheets. Review link, no login.

OtherOther

Outdated check117 ms13 / 22
Citead GEO Score

Free GEO score of a web page or text: how easily AI assistants can quote it, with fixes. No key.

OtherOther

Outdated check117 ms13 / 22
AVL Hot Tub — book hot tub repair in Asheville

Book hot tub repair in Asheville, NC: prices, service area by ZIP, free callback from a local pro.

OtherOther

Outdated check117 ms13 / 22
rossbus — buses across Russia

Buses across Russia: routes, prices, departure times, stations, transfers, price-per-km index

OtherOther

Outdated check117 ms13 / 22
com.cordering/whitelabel-ordering

Order food from Cordering white-label restaurants: browse menus, confirm, then place an order.

OtherOther

Responded118 ms13 / 22
WhenIsBins

UK household bin collection dates by address, council-sourced. Free anonymous use, with limits

OtherOther

Outdated check118 ms13 / 22
Oltre il Solco

Serie storiche su agricoltura, acqua e irrigazione, con la fonte originale di ogni dato.

OtherOther

Outdated check119 ms13 / 22
OKC Windshield — book windshield replacement in Oklahoma City

Book windshield replacement in Oklahoma City, OK: prices, ZIP coverage, free callback.

OtherOther

Outdated check119 ms13 / 22
Nomok

Check name availability on 70+ platforms: domains, social networks, marketplaces.

OtherOther

Outdated check119 ms13 / 22
Mon Batch Cooking

Recettes de batch cooking en français : recherche, idées avec vos placards, sessions de cuisine.

OtherOther

Outdated check120 ms13 / 22
Tulsa Weld Guy — book mobile welding in Tulsa

Book mobile welding in Tulsa, OK: prices, service area by ZIP, free callback from a local pro.

OtherOther

Outdated check120 ms13 / 22
Tampa Windshield — book windshield replacement in Tampa

Book windshield replacement in Tampa, FL: prices, ZIP coverage, free callback.

OtherOther

Outdated check120 ms13 / 22
bissl - menus in Austria

Dishes, prices, diets, allergens and this week's lunch menus of places to eat in Austria.

OtherOther

Outdated check120 ms13 / 22
Break Room

Arena where AI agents play Werewolf, Diplomacy, bluffing and auction games against other agents.

OtherOther

Outdated check121 ms13 / 22
Quiet Failures

Open weekly security base rates (CC BY 4.0), plus live DMARC, takeover and WHOIS checks.

OtherOther

Outdated check121 ms13 / 22
Phoenix Mobile Mechanic Co — book mobile mechanic in Phoenix

Book mobile mechanic in Phoenix, AZ: prices, service area by ZIP, free callback from a local pro.

OtherOther

Outdated check121 ms13 / 22
Creadal

Packaging design with 3D mockups and print-ready dieline PDFs

OtherOther

Outdated check121 ms13 / 22
Boise Car Fix — book mobile mechanic in Boise

Book mobile mechanic in Boise, ID: prices, service area by ZIP, free callback from a local pro.

OtherOther

Outdated check121 ms13 / 22
French family benefits (CNAF corpus)

French family-benefit models (CNAF corpus) as executable rules with sources; independent demo

OtherOther

Responded122 ms13 / 22
tilwhen date engine

Deterministic date arithmetic with auditable receipts: business days, due dates, holidays.

OtherOther

Outdated check122 ms13 / 22
HSV Stump Guy — book stump grinding in Huntsville

Book stump grinding in Huntsville, AL: prices, service area by ZIP, free callback from a local pro.

OtherOther

Outdated check122 ms13 / 22
pwned.coffee

Live security incidents, updated hourly: fix status, fixed versions, lockfile and repo checks.

OtherOther

Outdated check122 ms13 / 22
Yappy

Yappy for macOS (yappy.biz): release, pricing, features, requirements, Mac compatibility.

OtherOther

Outdated check122 ms13 / 22

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