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Sentvia is just a REST API, so it plugs into any agent framework. There are two paths:

MCP (zero glue)

Connect the Sentvia MCP server and email becomes native tools — no per-framework wiring. Best if your runtime speaks MCP.

Native tools

Wrap a few REST calls as your framework’s tool type. Use this when you want full control or your framework doesn’t do MCP yet.

The tool surface

Whatever the framework, you’re exposing a handful of operations to the model. The recipes use these:
ToolEndpoint
create_inbox(local_part)POST /inboxes
send_email(inbox_id, to, subject, body)POST /messages
check_inbox(inbox_id)GET /messages?inbox_id=…
reply(message_id, body)POST /messages/{id}/reply
Each call is a Bearer-authenticated request to https://api.sentvia.ai/v1 (auth).

Recipes

LangChain

OpenAI Agents SDK

Vercel AI SDK

CrewAI

LlamaIndex

Anthropic (Claude)

These are starting points — adapt the tool set and your framework’s exact API to your version. The endpoints they call are stable.