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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2945 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
Auth Posture — Email Deliverability & Spoofability Audit

One-call domain audit: MX receiving, SPF/DMARC/DKIM spoofing protection, disposable-address risk.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Autovox

Make podcast episodes, series and shows from your mail, notes, files and code. Sign in with OAuth.

MediaAI / LLM tooling

Requires authNot measured4 / 22
Avalara E-Invoicing & Live Reporting

Provides access to Avalara E-Invoicing and Live Reporting APIs for document statuses and compliance

OtherFile & docs

Requires authOutdated checkNot measured4 / 22
Avantio MCP Server and API by Cotlet

Avantio vacation rental management MCP server: list bookings, get booking, read calendar.

TravelData access / search

Requires authOutdated checkNot measured4 / 22
Avaza

Manage Avaza projects, tasks, timesheets, expenses, invoices, and scheduling from AI assistants.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22
Avokata: Lithuanian law for your agent

Lithuanian law and court practice for your AI assistant, with pinpoint citations. Email sign-in.

LegalCommunication & messaging

Requires authNot measured4 / 22
Axiocairn MCP

Portfolio risk MCP: exposure values with data dates, method notes and coverage gaps.

ProductivityFile & docs

Requires authNot measured4 / 22
AxoWatch

Uptime, page speed, app errors and user-flow runs for your sites, plus fix tasks for coding agents.

Developer ToolsMonitoring & observability

Requires authNot measured4 / 22
Ayoh

Chat, mail, boards, notes, calendar, contacts and digests in one AI app, free on your Cloudflare.

ProductivityFile & docs

Requires authNot measured4 / 22Not checked yet
b59.link

Short links, QR codes and page-view trackers for AI agents, with click stats and email-code sign-up.

ProductivityCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Basecamp

Basecamp's official server: projects, to-dos, cards, messages, docs, schedules, and Campfire.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22
beckett

Lets Claude, ChatGPT, and Muse read and update your beckett tasks, notes, calendar, and lists.

ProductivityAI / LLM tooling

Requires authOutdated checkNot measured4 / 22
Belindoc Translator

Translate PDF, Word, Excel, Markdown, image and video files with Belindoc, and rewrite subtitles.

MediaFile & docs

Requires authNot measured4 / 22Not checked yet
Bench47

Shared Markdown memory for your agents: docs, typed collections, files, skills and Dispatch.

Developer ToolsFile & docs

Requires authNot measured4 / 22
Bespree Resumes

Create and edit saved resumes, make tailored or translated copies, and export PDF or Word.

ProductivityFile & docs

Requires authNot measured4 / 22
Better Analyst PDF to Excel

Turn bank statements, invoices, receipts and other PDFs into Excel workbooks.

Finance & CryptoFile & docs

Requires authNot measured4 / 22
bFocus

Monitoring errors, tickets, tasks, projects and release notes from bFocus, with the app's rules.

ProductivityMonitoring & observability

Requires authNot measured4 / 22
Binderwork

Share docs with tracked links, send them for e-signature and run a SAFE round, with your approval.

OtherOther

Requires authNot measured4 / 22
BirdSift

Search local businesses, manage saved leads, and draft cold-outreach email from your workspace.

Marketing & SalesCommunication & messaging

Requires authNot measured4 / 22Not checked yet
Bitácora

Prototypes made of HTML screens and the review notes designers dictate, ready for your AI to apply.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
BKK Staff

Automated resume screening for small businesses: post jobs, rank applicants, email candidates.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
BlinkInbox

Disposable email inboxes for AI agents: create an address, wait for mail, read OTP codes and links.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
BlockReq

Read-only BlockReq docs, network catalog, and JSON-RPC calls across EVM chains

OtherOther

Requires authNot measured4 / 22
Blocks

AI-native training platform for cyclists and runners: calendar, rides, readiness, sourced science.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22

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