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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2952 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
Vectorize

Hosted MCP front door to the Vectorize API: raster-to-vector tracing to SVG, PDF, EPS or DXF.

Developer ToolsMonitoring & observability

Requires authOutdated checkNot measured4 / 22
Velrim

Document extraction against a JSON Schema with a calibrated confidence per field; async job status.

Developer ToolsFile & docs

Requires authNot measured4 / 22Not checked yet
veraPDF by pagespool

Hosted veraPDF: check a PDF against PDF/A or PDF/UA and get the full validation report.

OtherFile & docs

Requires authNot measured4 / 22Not checked yet
Vergabekompass

Find, score and analyse German and EU public tenders; search docs; draft quotes.

OtherData access / search

Requires authOutdated checkNot measured4 / 22
Vericto account (OAuth)

Your Vericto workspace over OAuth: setup status, rules, CI reports, docs search and SQL checks.

Developer ToolsData access / search

Requires authOutdated checkNot measured4 / 22
VerifyEmail

Check whether an email address is real and will accept mail before you send to it.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Vibe

Landing pages, mailing lists, signup forms and email campaigns in Vibe

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Vibeking

Website monitoring for SEO, AI visibility and ads: issues, fix tasks, rankings, reports and fixes.

Marketing & SalesMonitoring & observability

Requires authOutdated checkNot measured4 / 22
Visa Developer Center MCP Server

Search Visa Developer docs and retrieve OpenAPI specs for Visa product APIs to build integrations.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
Visuary Actuarial Value Calculator

Calculate Actuarial Value (AV) & metal tier of a health insurance plan from any document.

OtherFile & docs

Requires authNot measured4 / 22
Vitae

Your CV as a document you own, edited by your AI assistant, in several languages, as a typeset PDF

OtherFile & docs

Requires authNot measured4 / 22
vøiddo utilities

26 deterministic tools: PDF, image, QR, CSV/Excel, HTML to PDF, DNS/RDAP, FX rates, time zones.

MediaFile & docs

Requires authNot measured4 / 22Not checked yet
Wakato

Your Wakato account: contacts, tables, pages, email, social, shop, automations and agents.

ProductivityAutomation & workflows

Requires authOutdated checkNot measured4 / 22
Wander

Search, read and write the notes in the vaults you sync through Wander Cloud.

ProductivityData access / search

Requires authOutdated checkNot measured4 / 22
Waper

Waper, your personal AI agent: search your knowledge base, read briefs and hand off tasks.

Developer ToolsKnowledge & memory

Requires authNot measured4 / 22Not checked yet
WarmySender

AI-agent outreach: cold email, warmup, LinkedIn, Instagram, WhatsApp, verification, 200M leads

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Wavelength

Turn calls and notes into process flow diagrams in Claude, ChatGPT, VS Code, Cursor, and Teams.

ProductivityAI / LLM tooling

Requires authOutdated checkNot measured4 / 22
WeasyPrint by pagespool

Hosted WeasyPrint: render HTML and print CSS to PDF, with PDF/A output on the paid plans.

OtherFile & docs

Requires authNot measured4 / 22Not checked yet
WebinarStack

Manage automated webinars, schedules, registrations and behaviour-triggered email automations.

ProductivityAutomation & workflows

Requires authNot measured4 / 22
WebRun Browser Automation

Run multi-step tasks in a real Chrome browser: persistent environments, live view, human takeover.

OtherAutomation & workflows

Requires authNot measured4 / 22Not checked yet
Website Screenshot and PDF (Apify actor)

Apify actor via Apify's MCP server (Apify token needed): full-page website screenshots and PDFs.

Developer ToolsFile & docs

Requires authNot measured4 / 22Not checked yet
Weeklane

Plan your week in the Weeklane planner: tasks, repeating tasks, reminders, Task Lock and undo.

ProductivityFile & docs

Requires authNot measured4 / 22
Werify

Your WhatsApp history in Claude and ChatGPT: search years of chats, voice notes transcribed.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
WIbookAI

Business manager for wedding venues and vendors: leads, events, tasks, payments and contracts.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22

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