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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18213 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
SINTEGRA: TO

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

Developer ToolsCode & DevOps

Responded354 ms14 / 22
AgentMade Print on Demand

Print on demand for AI agents. No sign-up. Picture, words or logo on a tee, hoodie or tote.

Developer ToolsCode & DevOps

Responded355 ms14 / 22
io.github.jdhart81/agent-surety

Counterparty risk transfer for the agent economy: agents post bonds behind their promises, wronged c

Developer ToolsCode & DevOps

Responded355 ms14 / 22
SINTEGRA: RO

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

Developer ToolsCode & DevOps

Responded355 ms14 / 22
Prefeitura RS Santa Cruz do Sul: Certidão Negativa de Débitos

Prefeitura RS Santa Cruz do Sul: Clearance Certificate (Debts), official-source lookup. Platform-hos

Developer ToolsCode & DevOps

Responded355 ms14 / 22
B3: Participantes

B3: Participantes, official-source lookup. Platform-hosted, pay per query with prepaid credit.

Developer ToolsCode & DevOps

Responded355 ms14 / 22
io.github.jdhart81/agent-identity-registry

Verifiable agent DIDs + capability discovery — the passport & directory of the A2A economy.

Developer ToolsCode & DevOps

Responded356 ms14 / 22
Protestos Nacional

Existence and details of protests for people and companies in registry offices across Brazil. Platfo

Developer ToolsCode & DevOps

Responded356 ms14 / 22
Prefeitura CE Jaguaretama: Certidão Negativa de Débitos

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

Developer ToolsCode & DevOps

Responded356 ms14 / 22
Altss Public Profiles

Search and read bounded published Altss profile summaries with canonical citations. No private data.

Developer ToolsCode & DevOps

Responded357 ms14 / 22
Polícia Rodoviária Federal: Débitos

Polícia Rodoviária Federal: Debts, official-source lookup. Platform-hosted, pay per query with prepa

GovernmentCode & DevOps

Responded357 ms14 / 22
Prefeitura SP Hortolândia: Certidão Negativa de Débitos

Prefeitura SP Hortolândia: Clearance Certificate (Debts), official-source lookup. Platform-hosted, p

Developer ToolsCode & DevOps

Responded357 ms14 / 22
Prefeitura MG Divinópolis: Certidão Negativa de Débitos

Prefeitura MG Divinópolis: Clearance Certificate (Debts), official-source lookup. Platform-hosted, p

Developer ToolsCode & DevOps

Responded357 ms14 / 22
Prefeitura GO Jataí: Certidão Negativa de Débitos

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

Developer ToolsCode & DevOps

Responded357 ms14 / 22
Situação da CNH

Checks the status of a person's driver's license (CNH) from the CPF. Built for the holder to check t

Developer ToolsCode & DevOps

Responded357 ms14 / 22
Smasher Studio — AI Fashion Design

AI fashion design — product photos, videos, tech packs, colorways & fabric sims.

MediaCode & DevOps

Responded358 ms14 / 22
io.github.jdhart81/agent-notary

Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d

Developer ToolsCode & DevOps

Responded358 ms14 / 22
Simples Nacional

Looks up a company's status in the Simples Nacional tax regime from the CNPJ, including opt-in and b

Developer ToolsCode & DevOps

Responded358 ms14 / 22
SENATRAN: Meus Veículos - Possuidor (Detalhes)

SENATRAN: Meus Vehicles - Possuidor (Detalhes), official-source lookup. Platform-hosted, pay per que

Developer ToolsCode & DevOps

Responded358 ms14 / 22
Receita Federal: Cafir

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

GovernmentCode & DevOps

Responded358 ms14 / 22
Processos Judiciais (Completa)

Full lookup of a person's or company's lawsuits from the CPF or CNPJ, with per-case detail. Platform

LegalCode & DevOps

Responded358 ms14 / 22
Prefeitura TO Palmas: Certidão Negativa de Débitos

Prefeitura TO Palmas: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay pe

Developer ToolsCode & DevOps

Responded358 ms14 / 22
Prefeitura RS Porto Alegre: Comprovante de Inscrição do ISSQN

Prefeitura RS Porto Alegre: Comprovante de Inscrição do ISSQN, official-source lookup. Platform-host

Developer ToolsCode & DevOps

Responded358 ms14 / 22
Prefeitura MG Pará de Minas: Certidão Negativa de Débitos

Prefeitura MG Pará de Minas: Clearance Certificate (Debts), official-source lookup. Platform-hosted,

Developer ToolsCode & DevOps

Responded358 ms14 / 22

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