MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

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DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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1519 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
Mailcheer

Email API + newsletters. 17 MCP tools. OAuth 2.1 PKCE or API key. EU-hosted (Hetzner + SES).

Marketing & SalesCommunication & messaging

Requires authNot measured4 / 22Not checked yet
MailSenpai

MailSenpai: lists, campaigns, DNS & spam checks (74 tools, OAuth, EU). SMTP Senpai: SMTP & API.

Marketing & SalesData access / search

Requires authOutdated checkNot measured4 / 22
MajlisDesk: WhatsApp shared inbox

Read and answer your team's WhatsApp and email inbox from Claude or ChatGPT. OAuth sign-in.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
Mamitsu MCP

OAuth-enabled MCP server that extracts structured data from public social media posts.

Marketing & SalesData access / search

Requires authOutdated checkNot measured4 / 22
Mascotline

One mascot, locked once, drawn in any scene on demand and checked against its own identity.

OtherOther

Requires authOutdated checkNot measured4 / 22
MaxWorth (your cards)

Read-only access to the cards, credit card credits and offers you track in MaxWorth. OAuth sign-in.

OtherOther

Requires authNot measured4 / 22
MCP for Oura

Multi-tenant hosted MCP server for Oura Ring — 21 read-only tools, OAuth per user.

Real Estate & PropertyData access / search

Requires authOutdated checkNot measured4 / 22
MCP OAuth remediation verification

Three-leg MCP OAuth remediation verdicts, proven behaviourally against a canary server.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
Median books

Read-only access to a Median customer's ledger, financial reports and transactions. OAuth sign-in.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22
Meeting-Ops

Transcripts, recaps, and action items. Authenticated; OAuth 2.1 via Keycloak.

ProductivityFile & docs

Requires authNot measured4 / 22
MeetMyAgent

Turn offers into your AI agent. Manage profiles and enquiries; discover providers via hosted OAuth.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
Mempipe

Search, read and cite documents. Add, replace and delete files with write access. OAuth required.

OtherFile & docs

Requires authNot measured4 / 22
Mengi Cloud

Manage Kubernetes clusters, deployments, databases, secrets and observability on Mengi Cloud.

Developer ToolsMonitoring & observability

Requires authNot measured4 / 22
Mini Accountant

Invoicing, expenses, accounting analytics. OAuth 2.1 dynamic client registration, no API key.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
Mobula

Ask about your customers' Azure costs, compliance and Microsoft 365 security.

OtherOther

Requires authNot measured4 / 22
Mochii work graph

Mochii work graph: projects, tasks, meetings. Stiki OAuth. Not Nexus memory.

ProductivityKnowledge & memory

Requires authOutdated checkNot measured4 / 22
MochiPDF

Remote MCP server for HTML-to-PDF and screenshots with OAuth and API-key auth.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22Not checked yet
My wine

Find wines and compare live merchant prices in your region. Fair-deal search, My wine OAuth login.

OtherData access / search

Requires authOutdated checkNot measured4 / 22
MyFolksBoard.com

Family board: calendar, chores, shopping, meals, pets; OAuth for one household.

E-commerceData access / search

Requires authNot measured4 / 22
mytesla.io

Control your Tesla from your AI assistant - climate, charging, access, and security.

OtherOther

Requires authOutdated checkNot measured4 / 22
namailu.cz Agent Email

namailu.cz gives your AI agent its own email inbox: read and send mail over MCP, with OAuth.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Nife

Manage Nife.io cloud apps, sites, secrets and Git integrations from MCP clients.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
Nordsynk — Fortnox MCP

Hosted MCP server for Fortnox. Connect Claude, ChatGPT, Cursor to live Fortnox via OAuth.

Developer ToolsAI / LLM tooling

Requires authOutdated checkNot measured4 / 22
Norvstar — Professional Identity MCP Server

Query professional profiles, search candidates, and get AI-powered summaries and job fit analysis.

Developer ToolsData access / search

Requires authNot measured4 / 22Not checked yet

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