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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1490 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
Ask Your Audience

Test ideas, messages and ads with Human Digital Twins built from real people, in your AI assistant.

Marketing & SalesData access / search

Requires authNot measured5 / 22
AskYourStack

Let Claude, ChatGPT or Cursor manage your servers, sites and SEO, with approvals for risky actions.

Marketing & SalesAI / LLM tooling

Requires authOutdated checkNot measured5 / 22
Atlas Data: Ads, Jobs & Trends

Google Trends, Google Ads Transparency, LinkedIn & TikTok ad libraries, Google Jobs via Apify.

Marketing & SalesCode & DevOps

Requires authNot measured5 / 22Not checked yet
Audryo

Lifecycle email for agents: journeys, campaigns, contacts, consent and delivery health.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured5 / 22
BACKLNK

Free technical SEO, AEO, LLMO and GEO checks for AI agents: check a page, fix it, verify the fix.

Marketing & SalesData access / search

Requires authNot measured5 / 22Not checked yet
beehiiv

Manage beehiiv newsletters, posts, podcasts, community, subscribers, and analytics.

Marketing & SalesData access / search

Requires authOutdated checkNot measured5 / 22
bisibility

Track keyword rankings, research SEO opportunities, and manage bisibility projects with AI agents.

Marketing & SalesData access / search

Requires authOutdated checkNot measured5 / 22
Biver

Build, edit, and publish Biver landing pages, products, orders, and leads from AI assistants.

Marketing & SalesData access / search

Requires authOutdated checkNot measured5 / 22
Bizcraw

Web scraping and AI sales workspace with scoped CRM, scraping, knowledge and sales workflow tools.

Marketing & SalesBrowser & web scraping

Requires authOutdated checkNot measured5 / 22
Blawgy

Research keywords, plan, write, update and publish SEO blog posts on your site from any agent.

Marketing & SalesData access / search

Requires authNot measured5 / 22Not checked yet
Blaze

Create, edit, and schedule social media posts, carousels, videos, blogs, and emails.

Marketing & SalesCommunication & messaging

Requires authNot measured5 / 22
Blowhorn - AI Native Social Media Management

Social media and marketing management for LinkedIn, X, Reddit, Hacker News, Bluesky, Slack, GitHub

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured5 / 22
Boardroom Revenue Control

Read-only sales CRM for AI clients: leads, pipeline, AI-agent chats, calls, ad attribution.

Marketing & SalesCode & DevOps

Requires authNot measured5 / 22Not checked yet
Bondery

Open-source personal CRM for building better bonds

Marketing & SalesData access / search

Requires authOutdated checkNot measured5 / 22
BulkPublish

Schedule, cross-post, and analyze social media posts across 15 platforms from AI agents.

Marketing & SalesCode & DevOps

Requires authOutdated checkNot measured5 / 22
BusyBee — Social Media Data

Social media data for AI agents: creators, posts, comments, insights, trending across 6 platforms.

Marketing & SalesCode & DevOps

Requires authNot measured5 / 22Not checked yet
Bynor

Social media for brands: editorial plans, on-brand images, scheduling, publishing and analytics.

Marketing & SalesData access / search

Requires authNot measured5 / 22
CallAI SEO

Live SEO data: Google/Bing SERP, AI Overview sources, keyword difficulty, backlinks, page audits.

Marketing & SalesBrowser & web scraping

Requires authNot measured5 / 22Not checked yet
CalmSEO

SEO MCP server for keyword research, SERP analysis, audits, and Search Console workflows.

Marketing & SalesAutomation & workflows

Requires authOutdated checkNot measured5 / 22
Camberstack: Google Ads

Hosted MCP for Google Ads, Search Console, GA4 and Merchant Center: ask, build, approve changes.

Marketing & SalesData access / search

Requires authOutdated checkNot measured5 / 22
Captapi

Public social media data: profiles, posts, comments, transcripts and ad libraries, 30+ platforms.

Marketing & SalesCode & DevOps

Requires authNot measured5 / 22Not checked yet
Casually

Save landing page and email drafts in Casually, request human review and read campaign results.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured5 / 22
Cavyro

Telegram-native CRM for agents: contacts, deals, projects, tasks, campaigns, docs and reports.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured5 / 22
ChatterAPI

Live Reddit and X (Twitter) data: search, threads, users, subreddits, leads and mentions.

Marketing & SalesData access / search

Requires authNot measured5 / 22Not checked yet

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