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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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
USVI Public Records: Newspapers

Search Virgin Islands newspapers page by page, 1865 to 2001, with the gaps in every run named.

GovernmentData access / search

Outdated check500 ms13 / 22
Government Radar

Official Canadian federal and provincial government news releases from the last 7 days.

GovernmentData access / search

Outdated check506 ms13 / 22
CollegeCalcAI

Admission chances at 1,100+ U.S. colleges, college list scoring, and federal admissions data.

GovernmentData access / search

Outdated check516 ms13 / 22
Conselho Federal de Contabilidade: Cadastro de Profissionais e Empresas

Conselho Federal de Contabilidade: Cadastro de Profissionais e Empresas, official-source lookup. Pla

GovernmentCode & DevOps

Outdated check536 ms13 / 22
GovDir

Official US government offices and pages for property, land and GIS questions, link-checked.

GovernmentData access / search

Outdated check546 ms13 / 22
Conselho Federal de Farmácia: Cadastro

Conselho Federal de Farmácia: Cadastro, official-source lookup. Platform-hosted, pay per query with

GovernmentCode & DevOps

Outdated check551 ms13 / 22
Pass-through tax rules

Cited, tax-year-dated rules for state PTET, the federal SALT cap, and bonus-depreciation conformity.

GovernmentData access / search

Outdated check562 ms13 / 22
Pass-through tax rules

Cited, tax-year-dated rules for state PTET, the federal SALT cap, and bonus-depreciation conformity.

GovernmentData access / search

Outdated check575 ms13 / 22
SelectBNBs Verify

Check whether a short-term rental in South Korea is registered, using official government records.

GovernmentData access / search

Outdated check585 ms13 / 22
Georgia Civic Data

Query, filter, aggregate, and link Georgia education, Census, immigration, and health datasets.

GovernmentData access / search

Outdated check595 ms13 / 22
Federal Grants — find funding you are actually eligible for

Find US federal grants your organization is actually eligible to apply for. Free, no API key.

GovernmentCode & DevOps

Outdated check606 ms13 / 22
Assistant Hub

Ranked crypto setups with a graded track record, and trading skills with public records.

GovernmentPayments & trading

Outdated check662 ms13 / 22
Agent Observatory

Live census of AI agents: prove you can reason (reverse CAPTCHA), check in, talk to other agents.

GovernmentCode & DevOps

Outdated check668 ms13 / 22
OpenPublica

Search US local-government meetings: AI summaries, transcripts, and adopted plan documents.

GovernmentFile & docs

Outdated check709 ms13 / 22
Conselho Federal de Medicina: Estabelecimentos de Saúde

Conselho Federal de Medicina: Estabelecimentos de Saúde, official-source lookup. Platform-hosted, pa

GovernmentCode & DevOps

Outdated check734 ms13 / 22
io.github.kodandy/jp-biz-opportunity

Japanese public-sector business opportunities for AI agents: tenders, subsidies, sanctions. x402.

GovernmentCode & DevOps

Outdated check833 ms13 / 22
IARCCUM Archive of Anglican-Roman Catholic Dialogue

Read-only access to public records on Anglican-Roman Catholic dialogue in the IARCCUM Archive.

GovernmentData access / search

Outdated check915 ms13 / 22
Seraphix Public Records

Dated, source-linked public records about companies, from SEC filings and other primary documents.

GovernmentFile & docs

Outdated check1094 ms13 / 22
CGU (Controladoria Geral da União)

Looks up records of a person or company at the Federal Comptroller General (CGU) from the CPF or CNP

GovernmentCode & DevOps

Outdated check1098 ms13 / 22
ParikshaIndex

Indian government exams and jobs from official notices: dates, results, admit cards, answer keys

GovernmentData access / search

Outdated check1167 ms13 / 22
euroref — European government reference data

European govt data, cited: rates, VAT, tax, wages, holidays, FX. 34 countries + EU; Germany free.

GovernmentData access / search

Outdated check1488 ms13 / 22
Conselho Federal de Medicina Veterinária: Cadastro

Conselho Federal de Medicina Veterinária: Cadastro, official-source lookup. Platform-hosted, pay per

GovernmentCode & DevOps

Outdated check1511 ms13 / 22
GovOmniAI Machine Services

AI-to-AI: free risk previews; optional $0.50 MPP receipts; $5 Cropper federal checks.

GovernmentCode & DevOps

Outdated check1514 ms13 / 22
DouxProcess Directory

Is a US business licensed, bonded and insured today? From the government record. Free, no paid rank.

GovernmentData access / search

Outdated check1518 ms13 / 22

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