MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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

1587 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
DocParse

Docs to Markdown, SEC filings, insider trades, Treasury yields, FRED macro, FX rates, dev utils.

Developer ToolsFile & docs

Responded85 ms12 / 22
Zovo Spreadsheet Checker

Check a spreadsheet for errors before you import it, send it or report from it.

ProductivityFile & docs

Responded85 ms12 / 22
Zovo MT940 Converter

Convert MT940 to Excel and CSV, and check that each bank statement adds up.

Developer ToolsFile & docs

Responded85 ms12 / 22
mdapi — HTML to Markdown for AI agents

Web page or HTML to clean LLM-ready Markdown or JSON. x402 pay-per-call, $0.005, no API key.

Finance & CryptoFile & docs

Responded85 ms12 / 22
Rosis Morgenhimmel — Tageshoroskop und Himmelskalender

Daily horoscopes (de/en/es, 7 days ahead), moon phases, Panchang, solar terms, Maya calendar.

ProductivityFile & docs

Outdated check85 ms12 / 22
Responded87 ms12 / 22
Kamy

Document API for AI-native software: render PDFs, e-sign, PAdES-seal, and verify.

OtherFile & docs

Responded88 ms12 / 22
Zovo Spreadsheet Merge

Merge two spreadsheets on an ID column, the VLOOKUP job, and see how each row matched.

ProductivityFile & docs

Responded90 ms12 / 22
Zovo PDF Merge

Merge PDF files into one document right in the chat.

Developer ToolsFile & docs

Responded90 ms12 / 22
garden.stanislav.svelte-llm/svelte-llm-mcp

An MCP server that provides access to Svelte 5 and SvelteKit documentation

OtherFile & docs

Responded94 ms12 / 22
Sky and Signs — horoscopes and sky calendars

Daily horoscopes (en/es/pt, 7 days ahead), moon phases, Panchang, solar terms, Maya, Ramadan dates.

ProductivityFile & docs

Outdated check94 ms12 / 22
Zovo Activity Diagram

Turn a few lines of text into a UML activity diagram document, and check the flow.

Developer ToolsFile & docs

Responded97 ms12 / 22
Zovo Page Numbers

Add page numbers, Bates numbers or a text watermark to a PDF document right in the chat.

Developer ToolsFile & docs

Responded100 ms12 / 22
Mergewell Mail Merge

Mail merge from Excel or CSV to PDF, right in the chat.

Developer ToolsFile & docs

Responded100 ms12 / 22
Transcreva

Brazilian Portuguese audio and video transcription with speaker diarization and SRT/VTT/DOCX export.

MediaFile & docs

Responded101 ms12 / 22
Zovo State Diagram

Turn a few lines of text into a UML state machine diagram document, and check the machine.

Developer ToolsFile & docs

Responded101 ms12 / 22
Zovo PDF Maker

Turn Markdown or plain text into a clean PDF document to print or share, plus an editable Word file.

Developer ToolsFile & docs

Responded101 ms12 / 22
LsTuvi - Tử Vi & Lịch âm

Vietnamese Tử Vi charts, lunar calendar, good-day finder and age compatibility. Free, no sign-in.

ProductivityFile & docs

Outdated check101 ms12 / 22
Website Starter

Create Markdown instructions for AI agents to build, deploy, and maintain an Astro website.

Developer ToolsFile & docs

Responded103 ms12 / 22
Zovo Salary Slip Maker

Make a salary slip for an employee in India as a print-ready PDF and an Excel file.

Developer ToolsFile & docs

Responded107 ms12 / 22
Sheetwise Label Maker

Print address labels from a list or a spreadsheet without opening Word.

ProductivityFile & docs

Responded107 ms12 / 22
Invoice Table

Review invoice records, flag duplicates, validate totals, and prepare spreadsheet-safe CSV.

ProductivityFile & docs

Outdated check107 ms12 / 22
Zovo Sheet to PDF

Turn a CSV or Excel sheet into a clean, print-ready PDF table right in the chat.

Developer ToolsFile & docs

Responded108 ms12 / 22
Zovo Invoice Ledger

Put a batch of supplier invoices into one spreadsheet with net, tax and gross totals.

Finance & CryptoFile & docs

Responded108 ms12 / 22

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