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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2945 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
Dandori

Tasks, routines, notes, lists, budget and calendar in Dandori, a personal life organiser.

ProductivityFile & docs

Requires authNot measured4 / 22
Dart

AI-native project management for tasks, docs, collaboration, and agents.

ProductivityFile & docs

Requires authNot measured4 / 22
DashaMail

Email marketing for Russian businesses: lists, campaigns, reports, transactional email.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Dashly

Track anything by telling your AI: calories, habits, mood, spending and tasks on one dashboard.

Data & AnalyticsData access / search

Requires authOutdated checkNot measured4 / 22
DayHeart

Day planner: work shifts with earnings, classes with homework, tasks. Read your day and add to it.

EducationKnowledge & memory

Requires authNot measured4 / 22
DayOneLead

Find newly registered businesses, manage prospects, and run approval-gated email outreach.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
Dayplan

Plan your day in Dayplan from your AI assistant: see today, then add, schedule and finish tasks.

OtherOther

Requires authOutdated checkNot measured4 / 22
Dealboard

Simple deal tracker with pipeline cards, notes, goals, reports, and AI-powered deal updates.

ProductivityFile & docs

Requires authNot measured4 / 22
Decknote

Kanban boards your AI agent can use: add, complete, move and recall tasks with your team.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22Not checked yet
DeckSpace

Publish an HTML presentation — a slide deck or scrolling document — at a shareable link.

OtherFile & docs

Requires authNot measured4 / 22Not checked yet
Deleva

Social media for small businesses and agencies: brand memory, content calendar and scheduling.

Marketing & SalesKnowledge & memory

Requires authNot measured4 / 22
Deskhand

Deskhand CRM for AI agents: key per agent, undo a run, email drafts. Start with one POST.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
DevPlan MCP Server

Transform project ideas into paint-by-numbers development plans with phases, tasks, and subtasks.

Developer ToolsCode & DevOps

Not measuredNot measured4 / 22
DevRelay

Ask what shipped, and draft, edit and approve launch posts, changelogs and docs updates.

OtherOther

Requires authOutdated checkNot measured4 / 22
Dijin Memory

Dijin is a Memory Layer: recall notes, decisions, and evidence-backed answers across every AI.

ProductivityKnowledge & memory

Requires authNot measured4 / 22
Dinoplan

Draw and edit floor plans: rooms, doors, windows, 3D, export to PNG, PDF or FML (Funda).

OtherFile & docs

Requires authNot measured4 / 22
DirectIQ

Manage DirectIQ contacts, lists and tags, see campaign results, and send transactional email.

Marketing & SalesCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Disban

Check if a signup email is disposable, free, an alias, testing, parked or unknown, with evidence.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Distilled

Drive cloud Android phones on US mobile IPs. Read the screen, tap, type, install apps and run tasks.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
DnsGuard

Check a domain's email authentication: SPF, DKIM, DMARC, BIMI, MX, MTA-STS, TLS-RPT. Score + fixes.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Dobby

Connect, monitor, and control AI agents — tasks, approvals, schedules, and governance.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
doc.page PDF Extraction

Extract PDFs to Markdown, RAG chunks and cited tables; publish tracked Doc Links with read stats.

Developer ToolsFile & docs

Requires authNot measured4 / 22Not checked yet
Dockito

One home for docs, live sheets, Slides, boards, API docs and DB designs, made by Humans and AI.

OtherOther

Requires authNot measured4 / 22
Docling by pagespool

Hosted Docling: convert PDF, Office files and images to Markdown and JSON, with OCR and tables.

MediaFile & docs

Requires authNot measured4 / 22Not checked yet

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