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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348 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
Perfume Picks

Search the Perfume Picks fragrance database: 10,000+ scents with notes, dupes, and wear data.

Developer ToolsDatabase

Responded1537 ms14 / 22
Percolate

Search the Percolate specialty coffee database: 1,100+ coffees with brew recipes and pairings.

Developer ToolsDatabase

Responded1885 ms14 / 22
Pour Picks

Search the Pour Picks bourbon & whiskey database: 4,700+ bottles with tasting profiles and prices.

Developer ToolsDatabase

Responded1918 ms14 / 22
Crystallography

Crystallography Open Database (COD) MCP.

Developer ToolsDatabase

Responded6146 ms14 / 22
Geoboundaries

geoBoundaries MCP — open database of political administrative boundaries.

Developer ToolsDatabase

Responded6151 ms14 / 22
Fjc Case Outcomes

Federal Judicial Center (FJC), Integrated Database — federal case outcomes (fleet #3271).…

Developer ToolsDatabase

Responded6157 ms14 / 22
Cfpb

CFPB MCP — Consumer Financial Protection Bureau complaint database (free, no auth)

Developer ToolsDatabase

Responded6343 ms14 / 22
France Bdpm Medicines

france-bdpm-medicines — France's official public medicines database (BDPM: 'Base de Donnees…

Developer ToolsDatabase

Responded6444 ms14 / 22
SalesBinder MCP by usefulapi

Read SalesBinder customers, inventory, warehouse locations, invoices and sales orders.

Finance & CryptoPayments & trading

Outdated check52 ms13 / 22
io.github.machinegrade/validate

Deterministic validation for AI-generated artifacts: JSON Schema, OpenAPI response, SQL syntax.

Developer ToolsCode & DevOps

Outdated check95 ms13 / 22
io.sota/mcp

EU-native PaaS for AI agents — deploy web apps with one sentence, managed Postgres, GDPR by default.

Developer ToolsDatabase

Responded142 ms13 / 22
ErdDocs

ER diagrams from SQL, Prisma or ORM models. One tool, no account, nothing stored.

Developer ToolsDatabase

Outdated check211 ms13 / 22
Atlarium Habitat Database MCP

Structured habitat data and advisory tools for aquariums, marine tanks, terrariums and paludariums.

Developer ToolsDatabase

Responded215 ms13 / 22
Typestate

A managed backend your AI agent builds: database, sign-in, files, endpoints. You approve each step.

Developer ToolsDatabase

Responded334 ms13 / 22
Databricks

Your Databricks Lakehouse in natural language: run SQL on your SQL warehouses, track long-running qu

Developer ToolsCode & DevOps

Responded354 ms13 / 22
Offshore Leaks (ICIJ)

Checks whether a name appears in the ICIJ Offshore Leaks database (offshore structures), for complia

Developer ToolsDatabase

Responded356 ms13 / 22
Mandados de Prisão (CNJ)

Checks for open arrest warrants in the CNJ national database for a person, from the CPF and name. Pl

Developer ToolsDatabase

Responded357 ms13 / 22
Supabase

Your Supabase account in natural language: run SQL, apply migrations, manage tables, storage, edge f

Developer ToolsDatabase

Responded364 ms13 / 22
Consulta Veicular Nacional

Registration data for a vehicle from its plate in a national database: make, model, year, color, and

Developer ToolsDatabase

Responded365 ms13 / 22
Rack Warehouse fitment

What fits your vehicle at Rack Warehouse: roof racks, carriers, truck and ladder racks.

Data & AnalyticsData access / search

Outdated check366 ms13 / 22
SVTR AI Venture Database

Curated & traceable AI venture data: verified funding events, org & founder profiles, US + China

Developer ToolsDatabase

Outdated check377 ms13 / 22
IIS Rescue

Legacy IIS, classic ASP and SQL Server migration: paths, FAQ, end-of-support dates, fit assessment.

Developer ToolsDatabase

Outdated check587 ms13 / 22
Plumbline — a trust layer for LLM answers

Every figure re-checked against SQL-computed facts; unsupported questions refused with the reason.

Developer ToolsDatabase

Outdated check807 ms13 / 22
jp.livetribe/live-tribe

Japan's largest live house show database: search shows, artists, and venues

Developer ToolsDatabase

Responded2341 ms13 / 22

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