Open source libraries, agents, and developer tools shipped by tightknit.ai. Built in TypeScript. Made to be forked.
Block Kit tooling, app frameworks, and validators we use to ship Slack apps faster. Open sourced on github.com/tightknitai.
Drag-and-drop visual builder for Slack Block Kit messages. Integration-agnostic React component.
Live demo block-kitchen.tightknit.dev Slack app framework as a Hono plugin, powered by slack-edge
JSON Schema (draft 2020-12) and validation helpers for Slack Block Kit payloads.
Live demo block-kit-validator.tightknit.dev Template app, Slack Block Kit Builder UI on Cloudflare Workers, sending messages via slack-hono.
Template Slack app built with slack-hono on Cloudflare Workers
Storybook 10 addon that renders Slack Block Kit JSON the way Slack would, decorator + panel + toolbar globals + MDX doc block.
Live demo block-kit-storybook.tightknit.dev Landing page for tightknit's open source repos. Astro 5 + Tailwind v4 on Cloudflare Workers.
The TypeScript Slack stack we build on and ship contributions to. Originally by Kazuhiro Sera (@seratch).
Slack app framework for TypeScript edge runtimes — Cloudflare Workers, Deno, Vercel.
Slack app framework purpose-built for Cloudflare Workers.
TypeScript Slack Web API client tuned for edge runtimes.
Every repo is MIT (or compatible). Lift it, mod it, ship it. The point is that you don't have to ask.
Strict mode on, types as docs, end-to-end inference where possible. Runtimes: Node, Bun, Cloudflare Workers.
Built by the team behind Tightknit, the #1 community platform on Slack. These are the libraries and patterns we reach for when shipping Slack apps, open sourced for yours.