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
PDFLoom

HTML or URL to PDF with headless Chrome, and invoice/receipt/quote PDFs from JSON.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
pdfs.build

Design, publish and render PDF templates with Typst. Full template lifecycle over MCP.

Developer ToolsFile & docs

Requires authNot measured4 / 22
pdfstork — PDF generation

Generate invoices, quotes and certificates as PDFs from your pdfstork templates.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
Peaje

Your Peaje agent: tasks to get your site cited by AI, its score, and answers about your business.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
Phone Bud

AI voice agents that make real phone calls: one number or a short list, with transcripts and notes.

ProductivityFile & docs

Requires authNot measured4 / 22
Pickrun

One key for 4,000+ tools: web search, scraping, people and company data, SEO, calls and email.

ProductivityData access / search

Requires authNot measured4 / 22
PingValid Email Validation

Email validation for AI assistants: verdict, risk score, evidence. Free: 100 checks a month.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Pinlyx

Pinlyx CRM for AI assistants: contacts, deals, social inbox and posts, email and Google Ads.

Marketing & SalesCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Pinpal Notes

Markdown notes in folders, with files, that your AI assistant can read, write and organise.

ProductivityFile & docs

Requires authNot measured4 / 22
Pinpal Todo

A quiet to-do list your AI assistant can read, add to, edit, star and check off, with notes.

ProductivityFile & docs

Requires authNot measured4 / 22
Pitch

Turn URLs, recordings, docs, assets, or ideas into launch films, demo recordings, and decks.

MediaAI / LLM tooling

Requires authNot measured4 / 22Not checked yet
Pithflow

Read-only access to your own Pithflow meeting notes, transcripts, dictionary and usage.

ProductivityFile & docs

Requires authNot measured4 / 22
plat.plus

Read your plat.plus courses, tasks, course pages, sessions, files and messages. Read-only.

OtherCommunication & messaging

Requires authNot measured4 / 22
Play This Life

Your whole life in one planner: projects, tasks, habits, routines, workouts and chores.

OtherOther

Requires authNot measured4 / 22
PO6 Mailbox

Give AI agents secure access to your email via private aliases with dedicated mailbox storage.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
Podcast Search by Listen Notes

Official podcast search, interview research, PR leads, and media monitoring from Listen Notes.

Marketing & SalesMonitoring & observability

Requires authNot measured4 / 22
PodcastsToText

Transcribe podcasts, YouTube and audio, then make show notes, chapters and translations.

MediaAI / LLM tooling

Requires authNot measured4 / 22
PolarParrot

Read your recorded meetings: notes, pending actions and transcripts, from the PolarParrot Mac app.

ProductivityFile & docs

Requires authNot measured4 / 22
Pomerado

MCPs that do tasks on any website. Search flights, book, shop, check accounts and fill in forms.

TravelData access / search

Requires authNot measured4 / 22
Poofbox Mail

Disposable inboxes for AI agents: create an address, wait for the email, get the code or link.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
PopCVs

ATS resume checker and AI resume builder: score, tailor to a job, cover letters, PDF export.

ProductivityFile & docs

Requires authNot measured4 / 22
Portali

Bookkeeping for CPA firms: clients, QuickBooks, bank data, reports, OCR docs, and billing.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
postd

Instagram carousel editor, moodboards and content calendar. Build posts from your brand kit.

ProductivityFile & docs

Requires authNot measured4 / 22
Postfjord

Plan and schedule social posts, answer DMs and draft email campaigns for a small business.

Marketing & SalesCommunication & messaging

Requires authNot measured4 / 22

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