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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18219 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
Prefeitura MS Campo Grande: NFS-e (Nota Fiscal Eletrônica de Serviços)

Prefeitura MS Campo Grande: NFS-e (Nota Fiscal Eletrônica de Serviços), official-source lookup. Plat

Developer ToolsCode & DevOps

Responded364 ms14 / 22
Prefeitura MG Luz: Certidão Negativa de Débitos

Prefeitura MG Luz: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay per q

Developer ToolsCode & DevOps

Responded364 ms14 / 22
Prefeitura CE Fortaleza: Certidão Negativa de Débitos

Prefeitura CE Fortaleza: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay

Developer ToolsCode & DevOps

Responded364 ms14 / 22
DETRAN RS: Veículo

DETRAN RS: Vehicle, official-source lookup. Platform-hosted, pay per query with prepaid credit.

Developer ToolsCode & DevOps

Responded364 ms14 / 22
Cadastro PF Básico

Basic registration data for an individual from a CPF: name, registration status, and date of birth.

Developer ToolsCode & DevOps

Responded364 ms14 / 22
Cemig: Download de Contas

Cemig: Bill Download, official-source lookup. Platform-hosted, pay per query with prepaid credit.

Developer ToolsCode & DevOps

Responded364 ms14 / 22
Compliance de Apostas

Checks a person's compliance indicators for the betting sector from the CPF. Platform-hosted, no cre

Developer ToolsCode & DevOps

Responded364 ms14 / 22
Banco Central do Brasil (BCB): Cotações

Banco Central do Brasil (BCB): Cotações, official-source lookup. Platform-hosted, pay per query with

Developer ToolsCode & DevOps

Responded364 ms14 / 22
ANVISA: Bulário Eletrônico

ANVISA: Bulário Eletrônico, official-source lookup. Platform-hosted, pay per query with prepaid cred

Developer ToolsCode & DevOps

Responded364 ms14 / 22
Mimiq: AI agents use your app like your users and find what breaks

AI agents use your app like your users, in real browsers, and report what is broken or confusing.

Developer ToolsCode & DevOps

Responded364 ms14 / 22
Prefeitura SP Jundiaí: Certidão Tributária de IPTU

Prefeitura SP Jundiaí: Certificate Tributária de IPTU, official-source lookup. Platform-hosted, pay

Developer ToolsCode & DevOps

Responded365 ms14 / 22
Prefeitura RS Farroupilha: NFS-e (Nota Fiscal Eletrônica de Serviços)

Prefeitura RS Farroupilha: NFS-e (Nota Fiscal Eletrônica de Serviços), official-source lookup. Platf

Developer ToolsCode & DevOps

Responded365 ms14 / 22
Prefeitura MS: Calculadora de Fretes

Prefeitura MS: Calculadora de Fretes, official-source lookup. Platform-hosted, pay per query with pr

Developer ToolsCode & DevOps

Responded365 ms14 / 22
Prefeitura GO Morrinhos: Certidão Negativa de Débitos

Prefeitura GO Morrinhos: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay

Developer ToolsCode & DevOps

Responded365 ms14 / 22
DETRAN AL: Infrações

DETRAN AL: Traffic Fines, official-source lookup. Platform-hosted, pay per query with prepaid credit

Developer ToolsCode & DevOps

Responded365 ms14 / 22
CVM: Processos Sancionadores Julgados

CVM: Court Cases Sancionadores Julgados, official-source lookup. Platform-hosted, pay per query with

LegalCode & DevOps

Responded365 ms14 / 22
Conselho Regional de Odontologia RS: Cadastro

Conselho Regional de Odontologia RS: Cadastro, official-source lookup. Platform-hosted, pay per quer

Developer ToolsCode & DevOps

Responded365 ms14 / 22
Conselho Regional de Odontologia GO: Cadastro

Conselho Regional de Odontologia GO: Cadastro, official-source lookup. Platform-hosted, pay per quer

Developer ToolsCode & DevOps

Responded365 ms14 / 22
Conta Simples

Business finance on Conta Simples, bank and card statements, corporate cards (list/block/unblock), c

Developer ToolsCode & DevOps

Responded365 ms14 / 22
Light: Download

Light: Download, official-source lookup. Platform-hosted, pay per query with prepaid credit.

Developer ToolsCode & DevOps

Responded365 ms14 / 22
io.github.Yuikij/mcp-turtle-noir

Play Turtle Soup (lateral thinking puzzles) against a strict AI host with yes/no questioning.

Developer ToolsCode & DevOps

Responded365 ms14 / 22
Transit MCP

Trips, departures, alerts and vehicles for NYC, DC and the SF Bay Area.

Developer ToolsCode & DevOps

Responded366 ms14 / 22
io.github.jdhart81/agent-arbitration

Deterministic, machine-verifiable dispute resolution for A2A escrows.

Developer ToolsCode & DevOps

Responded366 ms14 / 22
SINTEGRA: PB

SINTEGRA: PB, official-source lookup. Platform-hosted, pay per query with prepaid credit.

Developer ToolsCode & DevOps

Responded366 ms14 / 22

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