TOOLS FOR SLACK + AGENTS.
Open source libraries, agents, and developer tools shipped by tightknit.ai. Built in TypeScript. Made to be forked.
The Stack.
Block Kit tooling, app frameworks, and validators we use to ship Slack apps faster. Open sourced on github.com/tightknitai.
block-kitchen
Drag-and-drop visual builder for Slack Block Kit messages. Integration-agnostic React component.
slack-hono
Slack app framework as a Hono plugin, powered by slack-edge
slack-block-kit-validator
JSON Schema (draft 2020-12) and validation helpers for Slack Block Kit payloads.
block-kitchen-template
Template app, Slack Block Kit Builder UI on Cloudflare Workers, sending messages via slack-hono.
slack-hono-template
Starter template for shipping a Slack app with slack-hono on Cloudflare Workers.
storybook-addon-slack-block-kit
Storybook 10 addon that renders Slack Block Kit JSON the way Slack would, decorator + panel + toolbar globals + MDX doc block.
tightknit.dev
Landing page for tightknit's open source repos. Astro 5 + Tailwind v4 on Cloudflare Workers.
Made to be forked.
Every repo is MIT (or compatible). Lift it, mod it, ship it. The point is that you don't have to ask.
TypeScript first.
Strict mode on, types as docs, end-to-end inference where possible. Runtimes: Node, Bun, Cloudflare Workers.
From the Tightknit team.
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.