INTEGRATIONS
Connect the client
you already use.
Each page has setup steps for that host. Documentation stays on docs.mermail.app.
Claude Code
Connect OAuth and install 15 skills for inbox, verification, and x402 workflows.
Open setupChatGPT
Add Mermail as a custom OAuth app in an eligible ChatGPT workspace.
Open setupCodex
Connect OAuth and install 15 skills for inbox and x402 workflows.
Open setupCursor
Add the hosted MCP server with OAuth—no API key required.
Open setupGrok
Connect Mermail to Grok web chat and Grok Bot with OAuth, PayBox, and inline MCP Apps.
Open setupOpenClaw
Connect with OAuth, then verify Mermail with a live probe.
Open setupHermes
Add Mermail to Hermes with Streamable HTTP OAuth.
Open setup