Build solutions, not workarounds.
What do you want Mailosaur and E2B to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiAny client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.
Set it up in your client
Claude Code
Run this in the directory you want to work in.
claude mcp add --transport http -s project apiant-ai https://mcp.apiant.aiStart Claude Code there, approve the server, and sign in in the browser page it opens.
Claude Code guide (opens in a new tab)Claude, web and desktop
Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.
Setup guide (opens in a new tab)Cursor
Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.
Setup guide (opens in a new tab)Zed
Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.
Setup guide (opens in a new tab)Codex and the ChatGPT desktop app
Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.
Setup guide (opens in a new tab)Any other MCP client
Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.
Setup guide (opens in a new tab)Example flows
What Mailosaur can start in E2B
When New message in Mailosaur
then Add directory in E2B
When New message in Mailosaur
then Add file in E2B
Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.
Everything your agent can do with Mailosaur and E2B
Triggers and actions 1 trigger · 25 actions
Trigger
New messageFires when a new email/SMS arrives in a server.
Action
Add serverCreate a server (inbox).
Action
Delete messageDelete a message.
Action
Delete serverDelete a server.
Action
Find messages by criteriaSearch messages by sentFrom/sentTo/subject/body.
Action
Get messageRetrieve one email/SMS message.
Action
Get serverRetrieve a server.
Action
List messagesList messages in a server.
Action
List serversList servers (inboxes).
Action
Send emailSend an email.
Action
Update serverUpdate a server.
Action
Add directoryCreate a directory inside a running E2B sandbox.
Action
Add fileUpload a file into a sandbox filesystem, creating parent directories as needed.
Action
Add sandboxCreate a new E2B sandbox from a template, with optional metadata, timeout, and env vars.
Action
Add templateRequest a new E2B sandbox template build.
Action
Delete fileDelete a file or directory inside a running E2B sandbox.
Action
Delete sandboxShut down a running E2B sandbox.
Action
Get fileRead the contents of a file inside a running E2B sandbox.
Action
Get sandboxLook up one E2B sandbox by id.
Action
Get sandbox logsRead the logs of a running E2B sandbox.
Action
List directoryList what a directory contains inside a running E2B sandbox.
Action
List sandboxesList the sandboxes in your E2B team.
Action
List templatesList the sandbox templates available to your E2B team.
Action
Pause sandboxPause a running E2B sandbox so it can be resumed later.
Action
Resume sandboxResume a paused E2B sandbox, or extend a running one's lifetime.
Action
Update sandbox timeoutChange how much longer an E2B sandbox stays alive.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
Reviews
What our customers say
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Questions
Mailosaur and E2B, answered
What can start an automation from Mailosaur?
Any of Mailosaur's 1 trigger in the catalog, including New message. Describe the moment in plain language and your agent picks the right one.
What can your agent do in E2B when something happens in Mailosaur?
Any of E2B's 15 actions, including Update sandbox timeout, Add directory, Add file and Add sandbox. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from E2B to Mailosaur?
E2B has no triggers in the catalog today, so automations start in Mailosaur. If you need the other direction, ask: your agent reads E2B's API documentation and adds it.
Do I have to build a connector for Mailosaur or E2B?
No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.
What happens when something fails?
Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.
Is there a free plan?
Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.