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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2948 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
Outreach2day

Cold email infrastructure: domains, mailboxes, warm-up and campaigns. Never charges a card.

Marketing & SalesCommunication & messaging

Requires authNot measured4 / 22Not checked yet
OutreachPilot: Polish B2B leads & cold email

Find Polish companies (CEIDG, KRS, Google Maps), verify emails and run cold email campaigns from AI.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Oveyon Mail

Email for AI agents: send, receive with a safety verdict, reply and approve, as MCP tools.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
OwlMem

Shared memory and teamwork for AI agents: knowledge base, memories, tasks, encrypted vault.

Developer ToolsKnowledge & memory

Requires authNot measured4 / 22
OwnMailServer

Ask about your email delivery: stats, bounces, complaints, message lookup and DNS health. Read-only.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
Papely

Generate PDFs from your Papely templates: one document, a ZIP batch, or emailed to recipients.

OtherFile & docs

Requires authNot measured4 / 22
ParrotNotes

Search, summarize and save insights on your ParrotNotes in-person meeting notes.

ProductivityData access / search

Requires authNot measured4 / 22
ParseAPI

Official ParseAPI MCP. Place, IP, email, phone, weather lookups.

Data & AnalyticsCommunication & messaging

Requires authNot measured4 / 22Not checked yet
PartyFun

A live board you share with Claude, ChatGPT and Cursor: notes, frames, arrows and comments.

ProductivityAI / LLM tooling

Requires authOutdated checkNot measured4 / 22
Passport.Me

Your Gmail, Calendar, Drive, GitHub, Oura, wallet and confirmed profile facts in any MCP client.

ProductivityPayments & trading

Requires authOutdated checkNot measured4 / 22
Pastefield

Give Claude a whiteboard: notes, links, images and diagrams on a board you both see and edit.

MediaAI / LLM tooling

Requires authNot measured4 / 22
PathHub AI

Plan and run internal projects with compliance: phases, tasks, budget, risks, obligations.

OtherOther

Requires authNot measured4 / 22
Pathwize

Run data annotation and evaluation tasks with vetted domain experts: create, publish, get results.

OtherOther

Requires authNot measured4 / 22Not checked yet
Patto

PR and B2B outreach via MCP: contacts, campaigns, email drafts, replies and follow-ups.

Marketing & SalesCommunication & messaging

Requires authNot measured4 / 22
Paymo MCP

Paymo time tracking, tasks, projects, invoices and transcription in Claude, ChatGPT, Cursor.

MediaPayments & trading

Requires authOutdated checkNot measured4 / 22
PC Remote Commander

Connect AI assistants to your approved computer for files, commands, browser and desktop tasks.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
PDF to Markdown

Hosted MCP front door to the pdf2md API: checked PDF-to-Markdown requests, short-lived credential.

Developer ToolsFile & docs

Requires authOutdated checkNot measured4 / 22
PDF to Markdown (pdf2md.dev)

Hosted MCP server: convert PDFs to clean, LLM-ready Markdown with tables, formulas and OCR.

Developer ToolsFile & docs

Requires authNot measured4 / 22Not checked yet
PDF Toolkit

Convert PDFs/images to Word, Excel, and Markdown. Split, merge, and watermark PDF files.

MediaFile & docs

Requires authOutdated checkNot measured4 / 22
pdf-text

PDF URL → extracted text for bots. Free try then prepaid TEST. https://pdf.kymac.co

OtherFile & docs

Requires authNot measured4 / 22Not checked yet
PDF.dk

40+ PDF and print tools: compress, convert, OCR, outline fonts, bleed, PDF/X, PDF/A, CAD to PDF.

OtherFile & docs

Requires authOutdated checkNot measured4 / 22
pdf.net

Create, convert, organize PDFs

Developer ToolsFile & docs

Requires authOutdated checkNot measured4 / 22
PdfBroker.io

Cloud PDF generation from HTML, CSS and XSL-FO, with PDF/A and PDF/UA support.

OtherFile & docs

Requires authNot measured4 / 22Not checked yet
PDFLean

PDF tools for AI agents: validate, extract, merge, split, compress, OCR, sign and redact.

Developer ToolsFile & docs

Requires authNot measured4 / 22

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