What is the main benefit of using this skill?

It allows AI agents to present information visually using Slack's Block Kit instead of plain text, making responses significantly easier to read and interact with for team members.

Does this skill handle markdown conversion?

Yes, the skill includes logic and reference patterns for converting standard markdown into Slack's specific mrkdwn format to ensure correct visual rendering.

Can I add interactive buttons to agent responses?

Absolutely. The architecture supports 'actions' blocks, enabling you to include buttons that users can click to trigger secondary workflows or tool calls.

Are there limits to the message size?

Yes, the skill enforces Slack's native limits: a maximum of 50 blocks per message and 3000 characters per text field to ensure delivery success.

Slack Block Kit UI

Name: Slack Block Kit UI
Author: rbarazi

byrbarazi

0•

协作工具

Enables AI agents to generate rich, interactive Slack messages using Block Kit formatting for sections, images, and buttons.

The Slack Block Kit UI skill empowers Claude and other AI agents to go beyond plain text by rendering structured tool outputs into Slack's native Block Kit interface. It provides a standardized architecture for detecting and extracting specialized slack://blocks resources, allowing agents to present complex data such as dashboards, weather reports, and interactive menus with high visual fidelity. By handling the nuances of Slack's mrkdwn formatting and API constraints, this skill ensures that agent-driven communication is both professional and actionable within team environments.

主要功能

01Renders rich UI elements including headers, sections, and images

02Supports interactive components like buttons and action blocks

03Standardizes tool results into Slack-specific resource URIs

04Automates markdown to mrkdwn conversion for Slack compatibility

05Provides built-in validation for Slack Block Kit limits and constraints

060 GitHub stars

使用场景

01Displaying dynamic weather or status dashboards within a Slack channel

02Creating interactive approval workflows with buttons for agent-triggered tasks

03Formatting complex tool outputs into readable, multi-section reports

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add rbarazi/agent-skills slack-blockkit-ui

For use in Claude.ai and ChatGPT

Download Skill