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.

Connect your agent

2942 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
Vbnote

Search, browse, and summarize private notes, transcripts, and knowledge from Vbnote.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
Verifa

Identity verification, document checks, sanctions/PEP screening and case review as agent tools.

Developer ToolsFile & docs

Requires authNot measured5 / 22
Verifly

Email verification for AI agents — verify, clean & validate emails; self-onboard + crypto pay

Finance & CryptoCommunication & messaging

Requires authNot measured5 / 22Not checked yet
VerifyAnyEmail

Real-time email verification and deliverability diagnostics (MX, SPF, DKIM, DMARC).

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22
Vibe Coding Control

Your VCC projects, tasks, AI development history and owner decisions. Sign in with your VCC account.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
VibeAdmin

Admin for your app from your AI agent: users, stats, segments, feature flags and email.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
VidNotes

Video transcripts, summaries, chapters, study notes, and comparisons for AI agents.

MediaCode & DevOps

Requires authNot measured5 / 22Not checked yet
Volanea

Email infrastructure on Volanea: build templates, segments and workflows, send and check email.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
VOMO

Find and read your VOMO meeting notes and transcripts. OAuth sign-in; read-only access.

ProductivityCode & DevOps

Requires authNot measured5 / 22
WalkMyPlan

Describe a house or upload a DWG/vector-PDF plan and get a walkable, editable 3D model.

OtherFile & docs

Requires authOutdated checkNot measured5 / 22
Warm Inbox

Email warm-up for AI builders: check deliverability, connect mailboxes, pause or tune warm-ups.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Warmerly

Cold email outreach: find leads, launch campaigns, fix deliverability, answer replies.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured5 / 22
WasapFlow Bridge

Official WhatsApp Business API for your own CRM or SaaS: docs, numbers, messages, webhooks.

Marketing & SalesCommunication & messaging

Requires authNot measured5 / 22Not checked yet
wcagc — accessibility scanning

Deterministic axe-core accessibility scans (WCAG 2.1 AA, EN 301 549, PDF/UA) via your account.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22
Web & Developer Data Tools

Website tech stacks, domain WHOIS/DNS/SSL, sitemaps, PDF text, GitHub trending and more.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
Web Content & URL Tools

26 tools: web pages to Markdown, metadata, tech stack, SSL, SEO, domains, email auth and SSO checks.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Web Tools for AI Agents

Web tools for AI agents: URL to clean Markdown, site crawl, screenshots, PDF/Office to text, OCR.

Developer ToolsFile & docs

Requires authOutdated checkNot measured5 / 22
webcapture

Hosted MCP server: render any URL to print-stable PDF, PNG, WebP or Markdown

Developer ToolsFile & docs

Requires authNot measured5 / 22Not checked yet
webhooks.cc

Capture, inspect, send and assert on webhooks and inbound email from your coding agent.

Developer ToolsCommunication & messaging

Requires authOutdated checkNot measured5 / 22
WebKit

Email validation, link previews and article-to-Markdown extraction for AI agents

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Website Screenshot & PDF

Screenshot any website as PNG, JPEG, WebP, PDF or scrolling MP4/GIF video, with public file links.

MediaCode & DevOps

Requires authOutdated checkNot measured5 / 22
Website Screenshot & PDF API

Full-page screenshots/PDFs, cookie walls removed; blocked or failed pages never charged.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Website Screenshot & PDF API (bulk + real-time)

Bulk website screenshots and PDFs with cookie banners removed; also a real-time HTTP API (Standby).

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Website Screenshot API

Full-page, first-screen, mobile or element screenshots of any URL as PNG, JPEG or PDF.

Developer ToolsMonitoring & observability

Requires authNot measured5 / 22Not checked yet

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