01
Tools, not plumbing
Typed functions that call your API. Flow does webhooks and retries.
Open source · MIT · TypeScript
One agent. Every chat.
Write your agent once and ship it to iMessage, WhatsApp, Telegram, ChatGPT, Claude and coding agents.
npm i @flow-engineer/flow
One project, every chat
Write it once. Ship it everywhere.
- Messaging appsThe same agent texts on iMessage, WhatsApp and Telegram.
- AI assistantsYour tools become an MCP server and a CLI.
What's in the box
You write tools.
Flow handles the chat.
02
Memory per customer
Each conversation is kept, across chats and across channels.
03
Scenario tests before release
Simulated users try the cases that matter before anything goes live.
04
Feels like a person texting
Double texts fold into one turn. Slow tools never stall the chat.
Quickstart
Running in three steps.
Create a project
Run
npx @flow-engineer/flow new my-agent, or ask your coding agent.Write tools
Typed TypeScript functions that call your API. No protocol code.
Test, then ship
Run
npx @flow-engineer/flow test, then connect each channel.
$ npx @flow-engineer/flow new my-agent $ cd my-agent $ npx @flow-engineer/flow test ✓ 24 scenarios passing
Ship your agent to every chat.
Open source, MIT licensed, on npm as @flow-engineer/flow.