tutamcp

The easiest setup: no local dependencies beyond Docker. The image bundles tutaproxy at build time.

git clone https://github.com/peix2/tutamcp-public.git cd tutamcp-public docker build -t tutamcp .

Pin a specific tutaproxy release (default:v1.3.15):

docker build --build-arg TUTAPROXY_REF=v1.3.15 -t tutamcp .

2FA note:logging into an account with two-factor authentication requires tutaproxy ≥v1.3.15. Older refs will fail the second-factor challenge.

Create a credentials file (chmod 600):

TUTA_EMAIL=your@tuta.com TUTA_PASSWORD=yourpassword # only for accounts with 2FA enabled — base32 secret from the Tuta app (spaces ignored): #TUTA_TOTP_SECRET=jbsw y3dp ehpk 3pxp

Register in Claude Code (.mcp.jsonor~/.claude.json):

git clone https://github.com/peix2/tutamcp-public.git cd tutamcp-public pip install --target=.venv/lib/python3.11/site-packages -r requirements.txt

TUTAMCP_MAIL_SEND=reply_only— onlytuta_mail_replyis registered; recipients are derived from the original mail only, no arbitrary addresses accepted.

TUTAMCP_MAIL_SEND=full— also registerstuta_mail_sendfor initiating new threads.

Default:dedicated→full,shared→reply_only,folder→ alwaysreply_only.

Used for autonomous mail handling (e.g. a background poller that wakes Claude to process incoming commands).

tuta_mail_listandtuta_mail_readreturntrusted_sender: boolande2e: boolon every message. Passonly_trusted=Truetotuta_mail_listto filter to trusted senders only.

If the Tuta account has a second factor enabled, add its TOTP secret to your credentials so tutamcp can complete the login challenge:

TUTA_EMAIL=your@tuta.com TUTA_PASSWORD=yourpassword TUTA_TOTP_SECRET=jbsw y3dp ehpk 3pxp

- TUTA_TOTP_SECRETis thebase32 secretshown by the Tuta app when you set up an authenticator (the same string behind the QR code). Spaces and letter case are ignored, so you can paste it exactly as displayed.
- It can also be passed as a plain environment variable instead of via the credentials file. The value is bridged into the login and never logged.
- tutamcp computes the 6-digit RFC 6238 code at login time — you donotregister a separate authenticator app for it.

Treat the secret like a password: keep it in thechmod 600credentials file, out of version control.

Note: editing a single occurrence of a recurring series is not supported.

Drive requires a paid Tuta account. Free accounts receive an informative error rather than a crash.

- Credentials are never logged. The server warns if the credentials file permissions are wider than600.
- All logging goes tostderror a log file.stdoutis reserved for the MCP protocol.
- Tool registration is conditional: a disabled module registers no tools — Claude doesn't see them at all.
- Infoldermode, all operations are scoped to the configured folder; attempts to access outside it are rejected at the tool level.
- Reply-only policy is enforced structurally:tuta_mail_sendis simply not registered, not blocked at runtime.
- Path traversal on attachment/drive downloads is blocked (basename sanitization + regex).

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