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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2930 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
dotstell

Read-only access to your dotstell notes, bookmarks, tasks, people and meetings.

ProductivityFile & docs

Requires authNot measured5 / 22Not checked yet
DottedSign

Automate eSignature workflows and signing tasks via natural language commands.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
Drop2Run

Publishes what an AI made — a page, a markdown or PDF doc, or a whole site — to a live HTTPS link.

OtherFile & docs

Requires authNot measured5 / 22
dylog

Notes, files, GitHub, and Drive through one MCP connection.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
e2a — email for AI agents

Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
e2a — email for AI agents

Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
EasyAccessPDF

PDF accessibility checks (veraPDF PDF/UA-1), auto-fix and Markdown conversion. EU-hosted.

Developer ToolsFile & docs

Requires authNot measured5 / 22Not checked yet
EasyPDF

Edit PDF text in place, fonts and layout kept. Compress, merge, split, convert and translate PDFs.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
EasyRunCraft MCP

Online office suite for AI agents: edit docs, sheets, slides and PDFs in browser or via MCP.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
Economic Calendar & News Risk

FOMC/NFP/CPI economic calendar plus prop-firm news-restriction window checks for futures traders.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
eContract

Send contracts for e-signature, track signing, get signed PDFs and audit trails, verify any PDF.

LegalFile & docs

Requires authNot measured5 / 22
EdgeBook

Chart-first trading journal: log trades from notes or chart screenshots, review setups and stats.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
Edworking MCP

Edworking tasks, Docs, workspace search, conversations and files with scoped OAuth access.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
Requires authNot measured5 / 22Not checked yet
Email Finder Server

Extract emails and phones from any website via Apify.

Developer ToolsCommunication & messaging

Requires authOutdated checkNot measured5 / 22
Email Inbox API + Sending by Sendmux

AI email inbox and sending tools with attachments, search, live events, and webhooks.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured5 / 22
Email Validator (MX, Disposable, Typo)

Validate emails without sending mail: syntax, MX, disposable, role and typo checks, SPF/DMARC.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Email Verifier (SMTP, MX, Catch-All)

Bulk email verification: live SMTP mailbox check, MX, catch-all, disposable and role detection.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Email Verifier MCP

Verify email deliverability with RFC format, MX, SMTP and disposable-domain checks.

Developer ToolsCommunication & messaging

Requires authOutdated checkNot measured5 / 22
Email Verify

Verify email addresses in chat: real-time deliverability checks with a clear verdict.

Developer ToolsCommunication & messaging

Requires authOutdated checkNot measured5 / 22
Emailit

Send email, run campaigns and automations, manage contacts and domains, fix deliverability.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured5 / 22
Emitd MCP Server

Connect AI agents to Emitd email sending, message tracking, templates, and automations.

ProductivityAutomation & workflows

Requires authNot measured5 / 22Not checked yet
Epublys

EPUB/PDF tools: merge, split, compress, convert, edit metadata, validate ebooks.

OtherFile & docs

Requires authNot measured5 / 22Not checked yet
Expense

Receipt tracker with no friction: receipts arrive by email and file themselves

Developer ToolsCommunication & messaging

Requires authOutdated checkNot measured5 / 22

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