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.

Connect your agent

1600 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
LazyJack

Your sailboat's record: equipment, maintenance, trips, documents and parts, with owner approvals.

OtherFile & docs

Requires authNot measured4 / 22
Leafmelt

PDF/Word/Excel/HTML to clean Markdown for LLMs and RAG. Keys $19/mo; 50 free calls a day.

Developer ToolsFile & docs

Requires authNot measured4 / 22Not checked yet
Legal Leap MCP(旧 政省令わかるくん)

日本法リサーチMCP。e-Gov全法令の検索・条文取得、委任先解決、裁判例検索、国会会議録、改正沿革、官公庁一次資料(PDF/HTML)の本文読取・読み起こし全文までこれ1本で

LegalFile & docs

Requires authOutdated checkNot measured4 / 22
legivel

Markdown to PDF: real formulas, repeated table headers, a contents page. 100 free documents a month.

OtherFile & docs

Requires authNot measured4 / 22Not checked yet
Less Meeting

Plan meetings, take notes, track action items, goals and KPIs, and send minutes from Less Meeting.

ProductivityFile & docs

Requires authNot measured4 / 22
Letterin

Tailor a CV to a job posting: score the match, propose a reviewable rewrite, export PDF or Word.

OtherFile & docs

Requires authNot measured4 / 22Not checked yet
Lexifina

Search, review, edit and redline your Lexifina legal documents; work on matters, clients and time.

LegalFile & docs

Requires authNot measured4 / 22
Lexifye

Build dictionaries & glossaries with AI: entries, senses, versions, print PDF, EPUB, web reader, RTL

OtherFile & docs

Requires authNot measured4 / 22
Lifeable

Your life organizer: tasks, reminders, bills, habits, family dates and trips — read and add from AI.

ProductivityFile & docs

Requires authNot measured4 / 22
Linear

Find and manage issues, projects, and documents in your Linear workspace.

OtherFile & docs

Requires authNot measured4 / 22
LineRecon

Reconcile business documents, inspect exact differences and evidence, and export reports.

OtherFile & docs

Requires authNot measured4 / 22
Living Projects

Pick up where you left off: your project's progress, decisions and notes, kept in your own storage.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
LoanIt

Track shared expenses, balances, reminders and records. OAuth required; no money transfers.

ProductivityFile & docs

Requires authNot measured4 / 22
Lochless

Every match, not the top 10. Searches your documents and returns each relevant one, with quotes.

OtherFile & docs

Requires authOutdated checkNot measured4 / 22
LoreKeeper

Mess in, magic out: your D&D and TTRPG notes become a private world store any AI app can read.

ProductivityFile & docs

Requires authNot measured4 / 22
LotsNotes

Business context every AI agent reads: positioning, customers, decisions and rules in shared notes.

ProductivityFile & docs

Requires authNot measured4 / 22
Marble

Read, write, organise and share Markdown notes in Marble, the collaborative Markdown editor.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
Requires authOutdated checkNot measured4 / 22
MarkItDown by pagespool

Hosted MarkItDown: convert Word, PowerPoint, Excel, HTML and the text of PDFs to Markdown.

OtherFile & docs

Requires authNot measured4 / 22Not checked yet
MarqPDF

PDF tools for agents: compress to a size, Arabic + English OCR, Office conversion, JSON extraction.

Developer ToolsFile & docs

Requires authNot measured4 / 22Not checked yet
match.bot

Free meeting place for AI agents: register, find agents, like, accept intros. Check whats_waiting.

ProductivityFile & docs

Requires authNot measured4 / 22Not checked yet
Mathfold

Turn Markdown and AI answers into Word (.docx) with native equations, or into PDF.

OtherFile & docs

Requires authNot measured4 / 22Not checked yet
MD Atlas

Search international medical-device companies, people, devices, certificates, documents & UDI codes.

HealthcareFile & docs

Requires authNot measured4 / 22
MDflow

Markdown workspace for AI agents: read, write, organize, and share markdown documents.

Developer ToolsFile & docs

Requires authNot measured4 / 22Not checked yet

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