inboxmcp

Hosted in Germany (EU) · GDPR-compliant

Let AI manage your inbox.

Connect any IMAP mailbox in two minutes. Your AI assistant sorts, drafts, files, and answers — securely, on your own mailbox, hosted in Germany. Your mail data never gets copied to us.

  • Hosted in Germany (EU)
  • GDPR & DPA-ready
  • AES-256 at rest, OAuth 2.1 in transit
inboxmcp · Claude live
You
"Sort yesterday's invoices into the Accounting folder and draft a reply to Anna."
Claude
Sure — let me handle that.
  • search_mails 3 matches
  • move_mails ✓ done
  • draft_mail ✓ saved to Drafts
Done. Logged to your audit trail.

Works with every IMAP mail provider

mailbox.org STRATO IONOS Posteo Proton Mail Fastmail Plesk Dovecot + any IMAP server

Integrations

Works with the AI assistants you already use.

inboxmcp speaks the Model Context Protocol (MCP), so any spec-compliant client can use it. Add it once on our side, then point any client at the same URL.

  • C

    Claude

    Anthropic

    Live

    Add as a Custom Connector in Claude Web and Desktop. Dynamic Client Registration handles OAuth setup automatically.

  • G

    ChatGPT

    OpenAI

    Coming soon

    Listing in the ChatGPT App Directory (Apps SDK is built on MCP). Same backend, same login.

  • Any MCP client

    Spec-compliant

    Live

    Cursor, Continue, Cline, your own agent — anything that talks MCP works. OAuth 2.1 + DCR is standard.

  • Gemini

    Google

    Evaluating

    Will land once Google ships a remote-MCP-capable client. Until then, point Gemini at the API via tools/function-calling.

  • M

    Microsoft Copilot

    Microsoft

    Evaluating

    Tracking Copilot's MCP-client progress. Will be added once remote MCP servers are first-class citizens.

  • Your AI not listed?

    If it speaks MCP, it works. Drop us a line and we'll prioritise.

    hi@inboxmcp.io →

Was deine KI machen kann

Sag was du brauchst — die KI erledigt es.

Hier siehst du jede Aktion, die inboxmcp ermöglicht. Alles andere kann die KI nicht — und jede einzelne Aktion landet in deinem Audit-Log.

Lesen

Postfach durchsuchen

„Was kam letzte Woche so von Anna rein?"

  • Alle verbundenen Postfächer auf einen Blick
  • Den kompletten Ordnerbaum eines Postfachs durchstöbern
  • Nachrichten finden — nach Absender, Betreff, Datum oder Markierung
  • Eine Nachricht öffnen, inklusive Anhängen
Schreiben

Aufräumen & antworten

„Sortier die letzten Rechnungen in den Buchhaltungs-Ordner und entwirf eine Antwort an Anna."

  • Neue Ordner anlegen
  • Nachrichten in einen anderen Ordner verschieben
  • Antworten, Weiterleitungen oder neue Mails entwerfen — landen in deinem Entwürfe-Ordner zur Freigabe

Demnächst (mit Bestätigung)

  • — Mails versenden
  • — Als gelesen, ungelesen oder markiert kennzeichnen
  • — In den Papierkorb verschieben

Für die technisch Interessierten: jeder Punkt entspricht einem MCP-Tool. Die genauen Namen findest du in deinem Audit-Log.

0

E-Mails we store on your behalf

2 min

Setup time per mailbox

AES-256

Encryption on every credential at rest

100%

German data centre, EU-only processing

How it works

Three steps, two minutes.

No plugins to install. No mails copied off your mailbox. Your AI assistant talks to your existing IMAP server through us.

  1. 1

    Connect your mailbox

    Drop in your IMAP/SMTP credentials. They're encrypted with AES-256-GCM the moment they hit our server and never written to logs.

  2. 2

    Add to your AI client

    One URL into Claude (or any MCP client). OAuth 2.1 with PKCE + Dynamic Client Registration handles the rest — no client IDs to copy around.

  3. 3

    Talk to your inbox

    "Sort yesterday's invoices into the Accounting folder." "Draft a reply to Anna." The AI does it; you keep the audit trail.

What you get

Built for people who'd rather spend less time in email chaos.

🇩🇪

Hosted in Germany

All data stays in German data centres. GDPR-compliant, Auftragsverarbeitungs-Vertrag (AVV) on request.

🔐

Credentials encrypted at rest

IMAP credentials sealed with AES-256-GCM before they touch disk. Decrypted only in-memory for the moment a tool call needs them.

📬

Works with any provider

Standard IMAP + SMTP. Your Plesk mailbox, mailbox.org, STRATO, Proton Mail Bridge, IONOS, Posteo, your own Dovecot — anything that speaks the protocol.

🚫

We don't store your mail

Tool calls go straight to your IMAP server. Mail bodies, attachments, and headers stay on your mailbox — we don't cache, index, or persist them.

🔑

Passkey sign-in

No passwords. Passkey-first authentication via Hanko; sign in with your fingerprint or a security key.

📊

Full audit log

Every tool call is logged: which mailbox, which tool, which client. Exportable on the Business plan for compliance.

Pricing

Per mailbox. No cap. Switch anytime.

Pay only for the mailboxes you actually connect. Yearly plans get two months free. All prices include VAT.

Free

Try it out, no strings attached.

€0

For your first mailbox

Get started
  • 1 mailbox
  • Read-only access
  • 500 tool calls / month

Most popular

Premium

Daily inbox automation.

€1,49

per mailbox / month

Start Premium
  • Unlimited mailboxes
  • Read & write
  • Unlimited tool calls
  • Email support

Business

For compliance-conscious users.

€2,99

per mailbox / month

Start Business
  • Unlimited mailboxes
  • All Premium features
  • Signed DPA / AVV included
  • Exportable audit log
  • Priority support

FAQ

Frequently asked questions

What is MCP and how does it work? +

MCP (Model Context Protocol) is the open standard AI assistants use to talk to external tools. inboxmcp is a hosted MCP server: you add one URL to your AI client, log in once, and it can read and manage your mailbox via natural language — securely, on your own server.

Which email providers are supported? +

Any provider that speaks IMAP and SMTP — which is almost all of them. Plesk, mailbox.org, STRATO, IONOS, Posteo, Proton Mail (via Bridge), Fastmail, Gmail (with app password), your own mail server. We do not require provider-specific OAuth.

Where is my data stored? +

Your mail stays on your own mailbox — we never copy it. The only data we store is what's strictly required to operate the service: your encrypted mailbox credentials, your audit log, and the OAuth tokens issued to your AI client. All of it lives in our own infrastructure in Frankfurt.

How safe are my IMAP passwords? +

Credentials are encrypted with AES-256-GCM before they're stored. We use envelope encryption with key material managed in a dedicated secrets store, and we strictly separate responsibilities across the platform: the service that handles your account and management actions can encrypt new credentials but cannot decrypt existing ones. Only the isolated component that actually performs your mailbox call holds the decryption key — and only in memory, for the duration of that single call.

What's the difference between Free and Premium? +

Free covers read-only access on a single mailbox. Premium (€1.49/mailbox/month or €14.99/mailbox/year) unlocks the write tools — drafts, moves, sends, flagging, deletion — with no cap on mailbox count. Business (€2.99/mailbox/month or €29.99/mailbox/year) adds a signed DPA and an exportable audit log.

Can I cancel any time? +

Yes. No minimum term. Delete your account from the portal — credentials, audit logs, and tokens are wiped immediately.

Do you offer a data processing agreement (DPA)? +

Yes — on the Business plan we provide a signed DPA / Auftragsverarbeitungs-Vertrag on request. Required if you're handling third-party email under GDPR.

Stop managing your inbox by hand.

Set up your first mailbox in under two minutes. Free, no credit card.

Get started — free