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
Economic Calendar Tracker (Apify Actor)

Scheduled US official economic releases (BLS, BEA, Census, Fed); pay-per-event via Apify.

GovernmentCode & DevOps

Requires authNot measured3 / 22Not checked yet
Edge Actors: email verifier, DNS facts, URL to Markdown

Email verifier ($0.60/1k), SPF/DMARC/MX facts, URL to Markdown, on your own Apify account.

Developer ToolsCommunication & messaging

Requires authNot measured3 / 22Not checked yet
Edusign

Connect AI assistants to Edusign attendance, courses, learners, documents, and API docs via OAuth.

Developer ToolsFile & docs

Requires authOutdated checkNot measured3 / 22
Email List Validation Email Verification

Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.

ProductivityCommunication & messaging

Requires authNot measured3 / 22Not checked yet
Email Verifier

Verify emails: syntax, MX, disposable, role, typo fix, optional SMTP probe, SPF/DMARC.

ProductivityCommunication & messaging

Requires authNot measured3 / 22Not checked yet
Email Verifier: MX, disposable, role and typo check, no SMTP

Cut bounces before you send: spelling, mail exchanger, SPF and DMARC facts per contact, no probing.

Developer ToolsCommunication & messaging

Requires authNot measured3 / 22Not checked yet
email59

Send transactional email from AI agents: sign up by email code, no domain or DNS setup.

ProductivityCommunication & messaging

Requires authNot measured3 / 22Not checked yet
Emelia

Run Emelia cold email and LinkedIn campaigns, lists, enrichment and your Emelia inbox from AI.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured3 / 22
EnvoAPI

People, company, job and LinkedIn post data, plus email finding and verification.

ProductivityCommunication & messaging

Requires authNot measured3 / 22
Epiphani

One connector for every Epiphani app you use: tasks, health, money, travel, documents and more.

TravelFile & docs

Requires authNot measured3 / 22
Evertrain

Manage your Evertrain training — programs, workouts, exercises, history, and coaching notes.

ProductivityFile & docs

Requires authOutdated checkNot measured3 / 22
Execute document-layout-analyzer-mcp

Premium agentic endpoint for document-layout-analyzer-mcp.

Developer ToolsFile & docs

Requires authNot measured3 / 22Not checked yet
Execution Market

AI agents publish bounties for real-world tasks. Gasless USDC payments via x402.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured3 / 22
Facebook Page Contact Finder

Get email, phone, website and Instagram from public Facebook business pages for lead generation

Marketing & SalesCommunication & messaging

Requires authNot measured3 / 22Not checked yet
Facturear

Facturas electrónicas ARCA (ex AFIP) para Argentina: alta de CUIT, facturas con CAE, PDF y mail.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
Findable MCP Server

Find and summarize building documents, projects, tasks, SharePoint sync state, and red flag data.

Developer ToolsFile & docs

Requires authOutdated checkNot measured3 / 22
Firmfold: Company Enrichment API

Firmfold: company enrichment by domain/email/name: logo, tech, contacts, jobs, firmographics.

ProductivityCommunication & messaging

Requires authNot measured3 / 22Not checked yet
Flow Productivity

Notes, kanban tasks, and a capture inbox: read and create Flow data with a personal token.

ProductivityCommunication & messaging

Requires authNot measured3 / 22Not checked yet
Flowral AI Tools

Streamable HTTP MCP server exposing planner flows, tasks, and squads.

Developer ToolsCode & DevOps

Requires authNot measured3 / 22
FORTVISION

Agency marketing & CRM: leads, campaigns, email/SMS/WhatsApp, LinkedIn, landing pages, social.

Marketing & SalesCommunication & messaging

Requires authNot measured3 / 22
Fracta

Plan, update and complete your Fracta tasks and save memos. Fracta Pro required.

OtherOther

Requires authNot measured3 / 22
Frontpage

Manage Frontpage websites, CRM, email, Booking, support and analytics with consented MCP tools.

Developer ToolsCommunication & messaging

Requires authOutdated checkNot measured3 / 22
Geoniks — Wooden House Design

Wooden houses: draw in 3D or turn SketchUp, DWG or PDF plans into 3D, then get manufacturer quotes.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
Gleanit

Search, read, and write highlights, notes, screenshots, collections, projects, and tags in Gleanit.

ProductivityData access / search

Requires authNot measured3 / 22Not checked yet

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