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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2930 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
fairfetch: web data tools for AI agents, priced per result

Google Trends & Ads Transparency Center, keywords, apps, jobs, events, docs, screenshots, groceries

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
FairValid

Verify emails and use FairMatch to search, quote and unlock verified work-email leads.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured5 / 22
Faivelo Email

Business email on your own domain: mailboxes, send and read mail, drafts, aliases and DNS setup.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured5 / 22
Familia

Private family planner for schedules, tasks, checklists, attachments, and availability.

OtherOther

Requires authNot measured5 / 22Not checked yet
Fantasy Tabletop Helper

Read-only access to your tabletop campaigns: codex, sessions, and session notes.

Marketing & SalesCode & DevOps

Requires authNot measured5 / 22Not checked yet
Faxend

Send real faxes from AI assistants: PDF to any fax number, delivery status, pages left.

OtherFile & docs

Requires authNot measured5 / 22Not checked yet
FGAC.ai: Multiple Gmail Accounts, Google Sheets & Docs

Multiple Gmail accounts, editable Google Sheets & Docs for AI agents. Deny-by-default access rules.

ProductivityCommunication & messaging

Requires authNot measured5 / 22
file2markdown

Convert docs and web pages to clean Markdown: PDF, DOCX, XLSX, EPUB, scans, URLs. Batch of 10.

OtherFile & docs

Requires authNot measured5 / 22Not checked yet
FileConvert

Convert files between 110+ document, image, audio, video, archive and ebook formats from AI agents.

MediaFile & docs

Requires authNot measured5 / 22Not checked yet
FileToPDF

Convert files, HTML, and Markdown to PDF via the FileToPDF API. Bring your own API key.

Developer ToolsFile & docs

Requires authNot measured5 / 22Not checked yet
FindLeadEmails

Find and verify B2B work emails, single or bulk. OAuth sign-in or API key; pay per verified email.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Finekot API

89 pay-per-call tools for agents: screenshots, scraping, PDF, OCR, TTS, STT, invoices, KYC, utils

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
Firmfold: Company Enrichment API

Firmfold: company enrichment by domain/email/name: logo, tech, contacts, jobs, firmographics.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Firmfold: Company Enrichment API

Firmfold: company enrichment by domain/email/name: logo, tech, contacts, jobs, firmographics.

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
fixture.email — Email Testing for Agents

Disposable test mailboxes on a real domain: send, receive and assert on real email.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
flatmark

Document to Markdown MCP server: PDF, Word, PowerPoint, Excel and HTML, with OCR for large files.

Developer ToolsFile & docs

Requires authNot measured5 / 22Not checked yet
flightclaw

Search ~300 airlines and book flights with a checkout link. OAuth sign-in by email code.

TravelPayments & trading

Requires authOutdated checkNot measured5 / 22
Focuh

ADHD system of record for agents: tasks, goals, loops, calendar, focus stats.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Forge Cascade MCP Memory Server

AI memory buyer routing with Forge docs, pricing, paid recommendations, and MCP discovery.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Formfeed

Render PDFs and images from templates, validate data and convert Office files to PDF.

MediaCode & DevOps

Requires authNot measured5 / 22Not checked yet
FraudKit

Fraud risk score for signups and orders from email, IP, phone and user-agent

Developer ToolsCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Fresh Jots

Read and write your Fresh Jots notes from Claude, Cursor, and any MCP client.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
Frosh

Read-only Frosh MCP: search and read public frosh.org docs, blog and overview.

Developer ToolsData access / search

Requires authNot measured5 / 22Not checked yet
GanttFather

Remote MCP server to read and edit GanttFather projects: tasks, dates, dependencies, critical path.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22

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