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Connect Superhuman Mail to Claude

Give Claude governed access to Superhuman Mail’s 33 tools through Runlayer, with identity, policy, scanning, and audit on every call.

Book a demo Claude setup guide

Set up

Add Superhuman Mail to Claude in four steps

Admins approve the server once. Everyone in Claude then gets it through the same governed connection.

  1. 1

    Approve Superhuman Mail in Runlayer

    Add Superhuman Mail from the catalog and choose who can use it and which of its tools are allowed.

  2. 2

    Connect Claude to Runlayer

    Admins install the Runlayer Plugin for everyone from Claude’s admin plugin settings, or users add it themselves. With direct tool listing turned on for your deployment, Superhuman Mail’s 33 tools show up in Claude’s own tool list.

    Claude setup guide
  3. 3

    Sign in to Superhuman Mail

    Sign in the way Superhuman Mail requires. Runlayer holds the credentials so they stay out of the client’s configuration.

  4. 4

    Use Superhuman Mail from Claude

    Superhuman Mail’s approved tools appear in Claude. Every call is checked against policy and recorded.

Tools

33 Superhuman Mail tools in Claude

Runlayer policy decides which of these Claude users can call.

  • Add account

    Start linking an additional Superhuman Mail account to this session so it can be acted on alongside the current account.

  • Create or update draft

    Compose an email on behalf of the user.

  • Create or update event

    Create a new calendar event or edit an existing one.

  • Create or update reminder

    Create or reschedule a reminder on a Superhuman Mail thread.

  • Create or update snippet

    Save a reusable Superhuman Mail snippet (an email template).

  • Discard draft

    Discard a user-owned Superhuman Mail draft by draft_id so it disappears from the user's Drafts list.

  • Discard reminder

    Discard (cancel) a reminder on a Superhuman Mail thread so it no longer brings the thread back to the top of the inbox.

  • Discard snippet

    Remove a saved Superhuman Mail snippet, identified by the id from list_snippets.

See all 33 Superhuman Mail tools

Control

What Runlayer can see and stop in Claude

Some controls apply to every client at the gateway. Others depend on what Claude exposes to Runlayer.

  • Gateway policy (available)

    Every Superhuman Mail call from Claude passes through Runlayer, where your policies can allow, alert, mask, or block it.

  • Audit trail (available)

    Each call is recorded with the user, Claude as the client, the tool, and the policy and scanner decisions.

  • Anthropic inference hooks (available)

    With Claude Enterprise, Anthropic sends each governed Claude prompt to Runlayer before inference, with nothing installed on devices (Anthropic beta).

  • Compliance API import (available)

    Anthropic Compliance API imports Claude web and desktop chats for review.

  • Managed browser extension (available)

    Managed Chrome, Edge, and Firefox deployments can monitor supported web-chat activity and apply prompt-time controls where the surface permits it.

  • Stop a call before it runs (available)

    Runlayer can reject a Claude prompt before Anthropic runs it, which stops the whole request rather than one tool call.

  • Block output after it runs (available)

    Because Runlayer checks the full prompt, tool results in it can be blocked before the model sees them.

  • Redact output in place (not available)

    Anthropic Inference hooks cannot return a rewritten prompt, so Runlayer cannot mask content in Claude. The gateway still applies policy to the call.

Frequently asked questions

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