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

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Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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5041 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
io.github.cyanheads/reliefweb-mcp-server

Search ReliefWeb humanitarian reports, disasters, jobs, training, and country profiles via MCP.

Developer ToolsCode & DevOps

Outdated check1008 ms14 / 22
AgentStatus MCP Index

Live public MCP Index. Search, recommend, and call healthy MCP servers.

Developer ToolsCode & DevOps

Outdated check1014 ms14 / 22
HadithDB

Search and retrieve Quran ayahs, tafsir commentary, hadith, and detailed hadith records.

Developer ToolsCode & DevOps

Outdated check1020 ms14 / 22
io.github.cyanheads/fbi-crime-mcp-server

FBI Crime Data Explorer — offense rates, hate crime, arrests, NIBRS, LEOKA stats, agency search.

Developer ToolsCode & DevOps

Outdated check1022 ms14 / 22
OlaChill Japan Travel

Search and price Japan tours, tickets, ryokan, transfers, charter buses, helicopters, golf and eSIM.

TravelData access / search

Responded1023 ms14 / 22
io.github.cyanheads/faa-airmen-registry-mcp-server

Search FAA airmen certificates, ratings, and informational medical records.

HealthcareCode & DevOps

Outdated check1026 ms14 / 22
Community Funding NZ

Search 380+ New Zealand community grant funders, deadlines and application questions. No login.

Developer ToolsCode & DevOps

Outdated check1027 ms14 / 22
ToolsMonk tool catalog

Find the right ToolsMonk tool for a task: 255 free browser-based tools, read-only lookups.

OtherData access / search

Responded1028 ms14 / 22
apMZoomAI · Dongdaemun wholesale

Search Dongdaemun (Seoul) wholesale fashion items, new arrivals and stalls on apMZoomAI.

OtherData access / search

Outdated check1028 ms14 / 22
Deepsky Aviation Regulations

Free no-key search over CASA, FAA, EASA & ICAO aviation regulations. By Deepsky (deepskyai.com).

LegalData access / search

Outdated check1031 ms14 / 22
io.github.cyanheads/openstates-mcp-server

Search bills, legislators, committees, and events across all 50 US states, DC, and 5 US territories.

Developer ToolsCode & DevOps

Outdated check1035 ms14 / 22
Coreplex

Search, compare prices and find official stores across brands that sell on Shopify.

E-commerceData access / search

Responded1041 ms14 / 22
HOTLIKESHOP

Search & buy MMO/social accounts, proxies & digital services from HOTLIKESHOP in your AI chat.

Developer ToolsCode & DevOps

Responded1046 ms14 / 22
io.github.cyanheads/gdelt-mcp-server

Search and analyze global news coverage and US TV transcripts via the GDELT Project APIs.

Developer ToolsCode & DevOps

Outdated check1046 ms14 / 22
io.github.cyanheads/gbif-biodiversity-mcp-server

Search GBIF species taxonomy, occurrence records, datasets, and publishers.

Developer ToolsCode & DevOps

Outdated check1046 ms14 / 22
Linkbreakers Docs

Search and read Linkbreakers docs, pricing and QR code templates. Read-only, no auth.

Developer ToolsData access / search

Responded1047 ms14 / 22
com.kpidepot/kpi-depot

Search 20,000+ corporate KPIs and 30,000+ source-attributed industry benchmarks with definitions

OtherData access / search

Responded1048 ms14 / 22
io.github.cyanheads/ilostat-mcp-server

Search ILOSTAT labour indicators, query and compare series, build country profiles, run SQL.

Developer ToolsCode & DevOps

Outdated check1048 ms14 / 22
io.github.cyanheads/cern-opendata-mcp-server

Search CERN Open Data, fetch records, files, analysis environments, CMS good-run lists, HLT paths.

Developer ToolsCode & DevOps

Outdated check1048 ms14 / 22
io.github.cyanheads/federal-regulations-mcp-server

Search and trace US federal rules across the Federal Register, eCFR, and Regulations.gov.

LegalCode & DevOps

Outdated check1050 ms14 / 22
Wikimedia Enterprise docs

Wikimedia Enterprise API docs: search the guides, read every endpoint. Read-only, no account needed.

OtherData access / search

Responded1051 ms14 / 22
io.github.cyanheads/musicbrainz-mcp-server

Search MusicBrainz artists, releases, works, labels; resolve ISRC/ISWC/barcode; fetch cover art.

Developer ToolsCode & DevOps

Outdated check1051 ms14 / 22
Ithy Research Library

Search public Ithy explanations and read relevant passages with article links, sources and dates.

OtherData access / search

Responded1053 ms14 / 22
The Ranking Factory site check

Free, no sign-in: checks a website's readiness for AI search and lists what it found.

OtherData access / search

Responded1054 ms14 / 22

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