Line-harness-oss

Judgement

What it is

Complete system

What it does

A CRM for LINE Official Accounts with step messaging, broadcasts, forms and reservations, running on Cloudflare Workers, with an MCP server and SDK.

Adopt it when

A Japanese business markets through LINE and wants to own its customer data instead of paying for L-step-style tools.

Watch out

Japanese-only, seven months old and promoted by its author's own funnel.

Ready for

Experimental

Runs as

Cloud service

Built with

TypeScript and Cloudflare Workers

How established

Young: started 7 months ago, latest release v0.26.1.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Line-harness-oss → TypeScript → Go → runs on a microchip

How compilers were built, back to punched paper tape

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