How do I install the Slack Block Kit Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/slack-block-kit/SKILL.md and restart Claude Code. Both flows are detailed at https://claudskills.com/install/.

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

ClaudSkills / General / communication

Slack Block Kit

Category: General · Sub-category: communication · Last updated: 2026-05-21

tool:slack

Build Slack Block Kit UIs for messages, modals, and Home tabs. Use when creating Slack notifications, interactive forms, bot responses, app dashboards, or any Slack UI. Covers blocks (Section, Actions, Input, Header), elements (Buttons, Selects, Date pickers), composition objects, and the slack-block-builder library.

From the source SKILL.md

Expert guide for building Slack UIs with Block Kit.

What this skill does

Slack Block Kit is a community-contributed Claude Code skill in the communication sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/slack-block-kit/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when creating Slack notifications, interactive forms, bot responses, app dashboards, or any Slack UI. Covers blocks (Section, Actions, Input, Header), elements (Buttons, Selects, Date pickers), composition objects, and the slack-block-builder library.

Who uses this skill

The Slack Block Kit Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/slack-block-kit
curl -L https://claudskills.com/skills/slack-block-kit/SKILL.md \
  -o ~/.claude/skills/slack-block-kit/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/slack-block-kit/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/slack-block-kit/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\slack-block-kit\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

Source: https://github.com/linehaul-ai/linehaulai-claude-marketplace/blob/HEAD/plugins/slack-block-kit-builder/skills/slack-block-kit/SKILL.md
License: MIT
Author: linehaul-ai
Website: https://www.linehaul.ai

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

Part of Acreator Store — Adam Lankamer's AI tools: PerfectStudio · Ucaption · UTagger · AutoXPoster · TestYourSkills · AutomationFlows · Au Naturel

Slack Block Kit

From the source SKILL.md

What this skill does

Who uses this skill

How to install

Manual install (2 steps)

One-click install via the desktop app

Attribution & license

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