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test-slack-app

100 / 100 · Low risk

Fine to try.

By slackapi/slack-mcp-plugin (GitHub) · coding · 165 stars · scanned at commit 99e027a

Use when a developer wants to test, try out, smoke-test, verify, or confirm that a Slack app built with the Slack CLI (or a plain Bolt app) actually works, by running it in a developer sandbox or a Free Team, never a workspace with real users, with `slack run` and exercising its real slash commands, shortcuts, events, actions, modals, App Home, and assistant surfaces. Also covers `slack doctor` and `slack manifest validate` health checks before hands-on testing.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'test-slack-app' ] || [ -L ~/.agents/skills/'test-slack-app' ]; then echo 'A skill folder named test-slack-app already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/slackapi/slack-mcp-plugin' "$d" && git -C "$d" checkout --quiet '99e027a47c065223ac719a1b291997d4fc23cec0' -- 'skills/test-slack-app' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/test-slack-app' ~/.agents/skills/'test-slack-app' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'test-slack-app' ~/.claude/skills/'test-slack-app' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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