3,400+ servers built on vurb.ts
Vinkius

Bring Disposable Email
to Claude Code

Learn how to connect Mailsac to Claude Code and start using 9 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.

MCP Inspector GDPR Free for Subscribers
Delete Inbox MessageGet Html Message BodyGet Plain Text BodyList Custom DomainsList Inbox MessagesList Reserved AddressesRelease Reserved AddressReserve New AddressSearch Account Messages
Mailsac

What is the Mailsac MCP Server?

Connect your Mailsac account to any AI agent to automate your email testing and inbox management. This MCP server enables your agent to reserve private email addresses, retrieve and search for messages, and inspect HTML or plain text bodies directly from natural language interfaces.

What you can do

  • Inbox Oversight — List and manage your reserved (enhanced) addresses and custom domains
  • Instant Retrieval — Fetch a list of messages received by any address in your account instantly
  • Content Extraction — Retrieve sanitized HTML or raw plain text bodies to extract verification codes or links
  • Inbox Maintenance — Permanently delete individual messages or clear entire inboxes via simple commands
  • Infrastructure Management — Reserve new private addresses programmatically for isolated testing flows
  • Global Search — Query messages across all your addresses using advanced search parameters (requires paid tier)

How it works

1. Subscribe to this server
2. Enter your Mailsac API Key
3. Start managing your disposable inboxes from Claude, Cursor, or any MCP-compatible client

Who is this for?

  • QA Engineers — Automate the extraction of email-based verification codes for testing suites
  • Developers — Quickly inspect incoming test emails and manage temporary addresses directly from your IDE
  • Privacy-Conscious Users — Manage temporary communication channels via simple natural language commands

Built-in capabilities (9)

delete_inbox_message

Permanently remove a message from an inbox

get_html_message_body

Get the sanitized HTML body of a specific message

get_plain_text_body

Get the plain text body of a specific message

list_custom_domains

List custom domains linked to the account

list_inbox_messages

List messages in a specific inbox

list_reserved_addresses

List all reserved (enhanced) email addresses

release_reserved_address

Delete/Release a reserved email address

reserve_new_address

Reserve a specific email address

search_account_messages

Requires a paid Mailsac tier. Use query params like to, from, subject. Search for messages across all addresses

Why Claude Code?

Claude Code registers Mailsac as an MCP server in a single terminal command. Once connected, Claude Code discovers all 9 tools at runtime and can call them headlessly. ideal for CI/CD pipelines, cron jobs, and automated workflows where Mailsac data drives decisions without human intervention.

  • Single-command setup: claude mcp add registers the server instantly. no config files to edit or applications to restart

  • Terminal-native workflow means MCP tools integrate seamlessly into shell scripts, CI/CD pipelines, and automated DevOps tasks

  • Claude Code runs headlessly, enabling unattended batch processing using Mailsac tools in cron jobs or deployment scripts

  • Built by the same team that created the MCP protocol, ensuring first-class compatibility and the fastest adoption of new protocol features

See it in action

Mailsac in Claude Code

AI AgentVinkius
High Security·Kill Switch·Plug and Play
Why Vinkius

Mailsac and 3,400+ other MCP servers. One platform. One governance layer.

Teams that connect Mailsac to Claude Code through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.

3,400+MCP Servers ready
<40msCold start
60%Token savings
Raw MCP
Vinkius
Server catalogFind and host yourself3,400+ managed
InfrastructureSelf-hostedSandboxed V8 isolates
Credential handlingPlaintext in configVault + runtime injection
Data loss preventionNoneConfigurable DLP policies
Kill switchNoneGlobal instant shutdown
Financial circuit breakersNonePer-server limits + alerts
Audit trailNoneEd25519 signed logs
SIEM log streamingNoneSplunk, Datadog, Webhook
HoneytokensNoneCanary alerts on leak
Custom domainsNot applicableDNS challenge verified
GDPR complianceManual effortAutomated purge + export
Enterprise Security

Why teams choose Vinkius for Mailsac in Claude Code

The Mailsac MCP Server runs on Vinkius-managed infrastructure inside AWS — a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts. All 9 tools execute in hardened sandboxes optimized for native MCP execution.

Your AI agents in Claude Code only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.

Mailsac
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
EU AI ActCompliant
DLPData protection
V8 IsolateSandboxed
Ed25519Audit chain
<40msKill switch
Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

The Vinkius Advantage

How Vinkius secures Mailsac for Claude Code

Every tool call from Claude Code to the Mailsac MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.

< 40msCold start
Ed25519Signed audit chain
60%Token savings
FAQ

Frequently asked questions

01

What is an 'Enhanced' address in Mailsac?

An enhanced address is a private inbox that only you can access. Use the reserve_new_address tool to make an address private/enhanced.

02

Can I read the raw SMTP source of an email?

While this server provides tools for HTML and Plain Text bodies, the Mailsac API supports raw data retrieval. You can use the text body tool to extract key technical metadata.

03

Is an API Key required for all addresses?

Yes, this MCP server requires an API Key to interact with your account and access your reserved resources and private messages.

04

How do I add an MCP server to Claude Code?

Run claude mcp add --transport http "" in your terminal. Claude Code registers the server and discovers all tools immediately.

05

Can Claude Code run MCP tools in headless mode?

Yes. Claude Code supports non-interactive execution, making it ideal for scripts, cron jobs, and CI/CD pipelines that need MCP tool access.

06

How do I list all connected MCP servers?

Run claude mcp in your terminal to see all registered servers and their status, or type /mcp inside an active Claude Code session.

07

Command not found: claude

Ensure Claude Code is installed globally: npm install -g @anthropic-ai/claude-code

08

Connection timeout

Check your internet connection and verify the Edge URL is reachable