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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18124 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
Dedicated Mac Mini AI Bot Setup

Read-only Mac mini AI operator setup offer with queue, pricing, and buyer-route tools.

Developer ToolsCode & DevOps

Outdated check352 ms14 / 22
Receita Federal: PGFN (CND Federal) - Lista Segunda Via

Receita Federal: PGFN (CND Federal) - Lista 2nd Copy, official-source lookup. Platform-hosted, pay p

GovernmentCode & DevOps

Responded353 ms14 / 22
Velox TriFit: Virtual Try-On API

Virtual try-on (VTO) API docs and SDK examples; OAuth account/guest photo uploads and try-ons.

Developer ToolsCode & DevOps

Responded353 ms14 / 22
Praetorium

Public Warhammer 40K rules, datasheets, points and missions; sign in to manage rosters and battles.

Developer ToolsCode & DevOps

Outdated check354 ms14 / 22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
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
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

Outdated check356 ms14 / 22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
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
Prefeitura GO Firminópolis: Certidão Negativa de Débitos

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

Developer ToolsCode & DevOps

Responded358 ms14 / 22
Olist Tiny ERP

Olist Tiny e-commerce ERP (formerly Tiny ERP) with the full official REST API v3, products, stock, o

E-commerceCode & DevOps

Responded358 ms14 / 22
ATI Lab

Official facts, pages, results and enquiries for ATI Lab (atilab.io), an AI partner for businesses.

Developer ToolsCode & DevOps

Responded358 ms14 / 22
Prefeitura RJ Rio de Janeiro: NFS-e (Nota Fiscal Eletrônica de Serviços)

Prefeitura RJ Rio de Janeiro: NFS-e (Nota Fiscal Eletrônica de Serviços), official-source lookup. Pl

Developer ToolsCode & DevOps

Responded359 ms14 / 22
Prefeitura MG Uberaba: Certidão Negativa de Débitos

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

Developer ToolsCode & DevOps

Responded359 ms14 / 22

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