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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1506 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
Substack Newsletter MCP

Substack newsletter, posts & podcast search

Marketing & SalesCode & DevOps

Requires authOutdated checkNot measured3 / 22
SupaMarketers Data

30+ marketing data tools for AI agents: SEO, SERP, AI visibility, social, apps, and more.

Marketing & SalesCode & DevOps

Requires authNot measured3 / 22Not checked yet
Table.in

Search YouTube, Instagram and X creators, see YouTube PPL rankings and trends, manage campaigns.

Marketing & SalesData access / search

Requires authOutdated checkNot measured3 / 22
Tareno

Social media accounts, drafts, analytics, media, viral research and approval-backed publishing.

Marketing & SalesCode & DevOps

Requires authOutdated checkNot measured3 / 22
Telvana

Manage your Telvana AI voice, SMS and chat agents, conversations, campaigns and outbound calls.

Marketing & SalesCode & DevOps

Requires authOutdated checkNot measured3 / 22
Terlido

Cold email: campaigns, leads, mailboxes, warmup and inbox replies.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured3 / 22
ThunderPhone

Build, test, deploy and run AI phone agents: agents, numbers, calls, tests, knowledge, campaigns.

Marketing & SalesCode & DevOps

Requires authNot measured3 / 22Not checked yet
TikTok Ads

Gasto, campanhas, grupos e anúncios do TikTok; pausar e ajustar com aprovação

Marketing & SalesData access / search

Requires authNot measured3 / 22
TransformSEO

SEO analysis server with 128 tools for keyword research, competitors, backlinks, and more.

Marketing & SalesData access / search

Requires authNot measured3 / 22Not checked yet
TrueClicks

Audit and monitor PPC accounts: Google Ads, Microsoft Advertising, and Meta Ads.

Marketing & SalesData access / search

Requires authOutdated checkNot measured3 / 22
Ubersuggest

Ubersuggest SEO tools: keyword research, competitor analysis, backlinks, site audits and more.

Marketing & SalesData access / search

Requires authNot measured3 / 22
UK Data: Web research

Wayback Machine snapshots, on-page SEO audits and Wikidata facts about companies and people

Marketing & SalesData access / search

Requires authNot measured3 / 22Not checked yet
Unfurlwren: Meta Tags Extractor — titles, descriptions, Open Graph

Titles, meta descriptions, canonical, Open Graph and Twitter tags of many pages, with an SEO score.

Marketing & SalesData access / search

Requires authNot measured3 / 22Not checked yet
VibeCom Growth Autopilot

Marketing autopilot in your IDE. AI turns codebase and context into content for 10+ platforms

Marketing & SalesCode & DevOps

Requires authOutdated checkNot measured3 / 22
VoiceDock

Build and manage voice AI agents for real phone lines: assistants, calls, numbers and campaigns.

Marketing & SalesData access / search

Requires authNot measured3 / 22
Website Audit Tools

SEO, broken links, Lighthouse, sitemaps, Open Graph tags and SSL expiry for any list of URLs.

Marketing & SalesData access / search

Requires authNot measured3 / 22
Whatcanido — MCP Server for Service Businesses

Cross-product MCP server for CRM, LeadKit, ProjectKit, Bookio. 10 action types, MIT open spec.

Marketing & SalesData access / search

Not measuredNot measured3 / 22
ZenABM

LinkedIn ads, ABM and CRM data for AI agents: reports, audits, and campaign management.

Marketing & SalesData access / search

Requires authOutdated checkNot measured3 / 22
Phos Marketing Engine

AI marketing — content generation, competitor analysis, social publishing, and strategy.

Marketing & SalesCode & DevOps

Outdated checkNot measured2 / 22
Phos Sales Engine

B2B lead generation — prospect discovery, ICP scoring, outreach, and pipeline management.

Marketing & SalesCode & DevOps

Outdated checkNot measured2 / 22
SharkSales Portfolio & Kennisbank

Marketing strateeg portfolio met AI kennisbank voor marketing, sales en strategie inzichten.

Marketing & SalesCode & DevOps

Outdated checkNot measured2 / 22
ai.smithery/kaszek-kaszek-attio-mcp

Automate Attio CRM workflows with fast search and bulk operations across companies, people, deals,…

Marketing & SalesAutomation & workflows

Requires authNot measured2 / 22Not checked yet
co.flyweel/mcp-server

Access Google & Meta Ads data via AI. Analyse campaign performance in seconds.

Marketing & SalesData access / search

Requires authNot measured2 / 22Not checked yet
com.close/close-mcp

Close CRM to manage your sales pipeline. Learn more at https://close.com or https://mcp.close.com

Marketing & SalesData access / search

Requires authOutdated checkNot measured2 / 22

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