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

530 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
Congress

Congress MCP — US Congress bill/law/member data via the official congress.gov API (Library of…

GovernmentCode & DevOps

Outdated check6100 ms13 / 22
Arcgis Glasgow

Glasgow City Council GIS — Glasgow, Scotland (UK) open geospatial data (ArcGIS).

GovernmentCode & DevOps

Outdated check6132 ms13 / 22
Data Maryland

Maryland Open Data — US government open data (opendata.maryland.gov) via the Socrata SoQL API…

GovernmentCode & DevOps

Outdated check6143 ms13 / 22
Folketinget Dk

Danish Parliament (Folketinget) open data MCP — oda.ft.dk, an OData v3 API.

GovernmentCode & DevOps

Responded6152 ms13 / 22
Data Connecticut

Connecticut Open Data — US government open data (data.ct.gov) via the Socrata SoQL API: state…

GovernmentCode & DevOps

Outdated check6162 ms13 / 22
Data Oregon

Oregon Open Data — US government open data (data.oregon.gov) via the Socrata SoQL API: state…

GovernmentCode & DevOps

Responded6166 ms13 / 22
Data Colorado

Colorado Information Marketplace — US government open data (data.colorado.gov) via the Socrata…

GovernmentCode & DevOps

Outdated check6166 ms13 / 22
Data Cityofnewyork

NYC Open Data — US government open data (data.cityofnewyork.us) via the Socrata SoQL API: NYC…

GovernmentCode & DevOps

Outdated check6177 ms13 / 22
Abgeordnetenwatch

Abgeordnetenwatch MCP — German federal & state parliament data.

GovernmentCode & DevOps

Outdated check6189 ms13 / 22
Data Wa

Washington State Open Data — US government open data (data.wa.gov) via the Socrata SoQL API: state…

GovernmentCode & DevOps

Responded6193 ms13 / 22
Datagov Uk

data.gov.uk MCP — UK national open-data portal (CKAN API).

GovernmentCode & DevOps

Responded6256 ms13 / 22
Data Texas

Texas Open Data — US government open data (data.texas.gov) via the Socrata SoQL API: state…

GovernmentCode & DevOps

Responded6286 ms13 / 22
Data Gov In

India Open Government Data (OGD) Platform MCP — data.gov.in

GovernmentCode & DevOps

Outdated check6296 ms13 / 22
Federal Register

Federal Register MCP — US Federal Register API (free, no auth)

GovernmentCode & DevOps

Responded6458 ms13 / 22
Arcgis Hub

ArcGIS Hub — open government geospatial data (search + Feature Service query).

GovernmentCode & DevOps

Outdated check6552 ms13 / 22
Data Bahrain

Bahrain government open data — population and census statistics, education, GDP and labor market…

GovernmentCode & DevOps

Outdated check6576 ms13 / 22
Tender MCP

Government tender search for AI agents. UK, EU and US procurement opportunities.

GovernmentCode & DevOps

Outdated check6645 ms13 / 22
Fjc Judges

FJC Judges — the Federal Judicial Center's Biographical Directory of Article III federal judges…

GovernmentCode & DevOps

Responded119 ms13 / 22
Acquisition Forecasts

US federal agency procurement FORECASTS — what an agency says it intends to buy, before it buys it…

GovernmentCode & DevOps

Outdated check131 ms13 / 22
Moradas — Portuguese addresses & postal codes

Portuguese address autocomplete, postal codes, list checks; typo-tolerant, municipality-first; free.

GovernmentData access / search

Outdated check60 ms12 / 22
The MCP Census

Vet any MCP server before you depend on it. Stamp: PASS, REVIEW, or BLOCK.

GovernmentData access / search

Outdated check62 ms12 / 22
com.insidercable/feeds

Point-in-time Congress, BTC-ETF-flow, insider, token-launch and options-IV feeds; free + x402

GovernmentPayments & trading

Outdated check67 ms12 / 22
GovAPI Atlas

Search 77k public-sector open data APIs across 10 countries. Read-only, no API key.

GovernmentData access / search

Outdated check69 ms12 / 22
Nymwell Lookup

Check domain availability and prices, and look up any domain's public records. Read-only.

GovernmentData access / search

Outdated check72 ms12 / 22

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