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
Devedores da União (PGFN)

Checks whether a person or company is on the federal debtors list (PGFN) from the CPF or CNPJ. Platf

GovernmentCode & DevOps

Outdated check355 ms13 / 22
Receita Federal: Radar (Habilitação Comércio Exterior)

Receita Federal: Radar (Habilitação Comércio Exterior), official-source lookup. Platform-hosted, pay

GovernmentCode & DevOps

Outdated check356 ms13 / 22
Receita Federal: Comprovante de Pagamento

Receita Federal: Comprovante de Pagamento, official-source lookup. Platform-hosted, pay per query wi

GovernmentCode & DevOps

Outdated check356 ms13 / 22
Receita Federal PER: DCOMP

Receita Federal PER: DCOMP, official-source lookup. Platform-hosted, pay per query with prepaid cred

GovernmentCode & DevOps

Outdated check357 ms13 / 22
Receita Federal: Simples (Listagem de Períodos para Emissão de DAS)

Receita Federal: Simples (Listagem de Períodos para Issuance de DAS), official-source lookup. Platfo

GovernmentCode & DevOps

Outdated check357 ms13 / 22
Receita Federal: Simples (Emissão de DAS de MEI)

Receita Federal: Simples (Issuance de DAS de MEI), official-source lookup. Platform-hosted, pay per

GovernmentCode & DevOps

Outdated check358 ms13 / 22
Receita Federal: NFS-e

Receita Federal: NFS-e, official-source lookup. Platform-hosted, pay per query with prepaid credit.

GovernmentCode & DevOps

Outdated check359 ms13 / 22
Receita Federal: IRPF

Receita Federal: IRPF, official-source lookup. Platform-hosted, pay per query with prepaid credit.

GovernmentCode & DevOps

Outdated check359 ms13 / 22
Servidores Federais (Transparência)

Data on a Federal Executive public servant in the Transparency Portal from the CPF. Platform-hosted,

GovernmentCode & DevOps

Outdated check361 ms13 / 22
Receita Federal: SIMEI (Declaração Anual)

Receita Federal: SIMEI (Declaração Anual), official-source lookup. Platform-hosted, pay per query wi

GovernmentCode & DevOps

Outdated check361 ms13 / 22
Portal da Transparência: Cadastro de Expulsões da Administração Federal (CEAF)

Portal da Transparência: Cadastro de Expulsões da Administração Federal (CEAF), official-source look

GovernmentCode & DevOps

Outdated check361 ms13 / 22
Receita Federal: CTe

Receita Federal: CTe, official-source lookup. Platform-hosted, pay per query with prepaid credit.

GovernmentCode & DevOps

Outdated check362 ms13 / 22
PNCP

Search Brazilian government tenders and public procurement (PNCP): find notices and auctions by keyw

GovernmentCode & DevOps

Outdated check363 ms13 / 22
Receita Federal: Situação Fiscal

Receita Federal: Situação Fiscal, official-source lookup. Platform-hosted, pay per query with prepai

GovernmentCode & DevOps

Outdated check366 ms13 / 22
Antecedentes (Polícia Federal)

Looks up a person's criminal record certificate at the Federal Police, from the CPF and name. Built

GovernmentCode & DevOps

Outdated check367 ms13 / 22
Indicadores PF (Transparência)

Indicators for an individual in the Federal Transparency Portal from the CPF and NIS. Platform-hoste

GovernmentCode & DevOps

Outdated check369 ms13 / 22
Cadastro PF + Receita Federal

Registration data for an individual with the Federal Revenue status, from a CPF. Platform-hosted, no

GovernmentCode & DevOps

Outdated check372 ms13 / 22
GovTube

Search what U.S. officials said on camera, with timestamps and citations. Not a government site.

GovernmentKnowledge & memory

Outdated check372 ms13 / 22
Tribunal TRF: Certidão Unificada da Justiça Federal

Tribunal TRF: Certificate Unificada da Justiça Federal, official-source lookup. Platform-hosted, pay

GovernmentCode & DevOps

Outdated check377 ms13 / 22
Receita Federal Simei MEI: Emissão de Guia de Parcelamento

Receita Federal Simei MEI: Issuance de Guia de Parcelamento, official-source lookup. Platform-hosted

GovernmentCode & DevOps

Outdated check377 ms13 / 22
Certidão de Débitos PF

Issues the joint federal tax debt certificate for an individual from the CPF. Platform-hosted, no cr

GovernmentCode & DevOps

Outdated check379 ms13 / 22
USVI Public Records

Search and read U.S. Virgin Islands public records: laws, court records, audits, hearings, reports.

GovernmentFile & docs

Outdated check381 ms13 / 22
Recall Canary

U.S. federal product recalls from FDA, FSIS, CPSC, and NHTSA, in one schema.

GovernmentData access / search

Outdated check383 ms13 / 22
Receita Federal: NIRF

Receita Federal: NIRF, official-source lookup. Platform-hosted, pay per query with prepaid credit.

GovernmentCode & DevOps

Outdated check384 ms13 / 22

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