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

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
Cleo Family

Log baby feedings, diapers, and sleep; manage family tasks, meals, recipes, groceries, and trips.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
Combined Residue Census

Per-principal census of MCP subscriptions and durable tasks, with verified-stop receipts.

GovernmentPayments & trading

Requires authOutdated checkNot measured3 / 22
Connections

Post deals, host events, import contacts and keep notes and memory across every assistant.

ProductivityKnowledge & memory

Requires authOutdated checkNot measured3 / 22
Requires authNot measured3 / 22Not checked yet
Contio MeetingOS

Contio MeetingOS: meetings, transcripts, action items, agendas, calendar, and project management.

ProductivityFile & docs

Not measuredNot measured3 / 22
CoSchedule

Ask about your CoSchedule projects, campaigns and tasks, and plan, write and schedule social posts.

Marketing & SalesData access / search

Requires authOutdated checkNot measured3 / 22
CTAS Life

Chia Chia shared expenses and the Vietnamese lunar calendar for CTAS Life Premium.

ProductivityFile & docs

Requires authOutdated checkNot measured3 / 22
Cue

Your sales pipeline as tools: deals by stage, playbook tasks, contacts, companies, and timeline.

OtherOther

Requires authOutdated checkNot measured3 / 22
Curated Finds — GitHub Tools & Hugging Face Models

Find GitHub tools and Hugging Face models: source links, licenses, setup notes and review dates.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
Dadan

Screen recording & video platform: search, share, transcribe, translate videos & AI meeting notes

ProductivityAI / LLM tooling

Requires authOutdated checkNot measured3 / 22
Deckly

Design presentations, landing pages and social ads with Deckly's tools, then share or export PDF.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
DeveloperHub Editor

Find, write, publish and check pages and API references in your DeveloperHub docs from an AI client

OtherOther

Requires authOutdated checkNot measured3 / 22
DevSpeak

Improve or correct developer writing, or turn rough notes into technical specs, from your agent.

Developer ToolsCode & DevOps

Requires authNot measured3 / 22Not checked yet
Dexi Notes

Search and manage your Dexi notes: full-text and semantic search, tags, folders, spaced repetition.

ProductivityData access / search

Requires authOutdated checkNot measured3 / 22
Divine API - Horoscope, Tarot & Numerology

Official Divine API MCP for Horoscope, Tarot, Numerology, and PDF Reports.

OtherFile & docs

Requires authNot measured3 / 22Not checked yet
DNS Lookup — Bulk SPF, DKIM, DMARC & Mail Policy Findings

Check DNS records and email authentication (SPF, DKIM, DMARC) for domains, as findings by severity

Developer ToolsCommunication & messaging

Requires authNot measured3 / 22Not checked yet
DNSai

DNS, email-security and website intelligence for your domains: SPF/DKIM/DMARC, changes, subdomains.

ProductivityCommunication & messaging

Requires authNot measured3 / 22Not checked yet
Doc to Markdown for AI Agents

Convert PDF, DOCX, PPTX, XLSX and HTML links to clean Markdown with tables and RAG chunks.

Developer ToolsFile & docs

Requires authOutdated checkNot measured3 / 22
DocDiffAI

Compare PDF or Word versions and return source-cited changes ranked by cost, time, or risk.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
DocDigest

Corporate email and chat thread summarization parser.

Developer ToolsCommunication & messaging

Requires authNot measured3 / 22Not checked yet
DocPenny PDF Generator

Generate HTML to PDF documents in bulk or single — raw replacements or based on conditions, loops

OtherFile & docs

Requires authNot measured3 / 22Not checked yet
DOCX to Markdown — Word, Excel, Slides & Document Tables

Convert Word, Excel, PowerPoint, OpenDocument, EPUB and RTF files to Markdown for LLMs and RAG

Developer ToolsFile & docs

Requires authNot measured3 / 22Not checked yet
Domain Intelligence Check

Domain enrichment: email provider, DMARC/SPF/DKIM, WHOIS age, SSL, hosting and CDN per domain.

Developer ToolsCommunication & messaging

Requires authOutdated checkNot measured3 / 22
Eaglecross

Find buying signals for B2B leads and write personalized cold-email icebreakers.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured3 / 22

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