deploy-slack-app

82 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

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

Use when a developer wants to deploy, host, or run a Slack app somewhere it keeps working after the local process stops, or mentions Railway, Heroku, `railway up`, `git push heroku`, `slack deploy`, a `deploy` hook in `.slack/hooks.json`, hosting a Socket Mode or Request URL (HTTP) Bolt app, deploying from Windows, graduating an app out of a developer sandbox, or tearing down a deployed app.

Works with any agent that supports SKILL.md skills.

What this skill can do

Runs commands on your computer

This is disclosed by the author in the skill's SKILL.md or README. Expected for a coding skill.

Found in 1 place.

skills/deploy-slack-app/SKILL.md, line 134HEROKU_TEAM=<team> HEROKU_APP_NAME=<name> SLACK_CMD deploy --skip-update --team <team ID> --app deployed --org-workspace-grant all

Downloads and installs other software

The author does not mention this.

Found in 4 places.

skills/deploy-slack-app/references/deploy-heroku.sh, line 50"the heroku CLI is not installed. Install it with 'brew tap heroku/brew && brew install heroku' (macOS) or see https://devcenter.heroku.com/articles/heroku-cli,
skills/deploy-slack-app/references/deploy-railway.sh, line 40"the railway CLI is not installed. Install it with 'brew install railway' (macOS) or see https://docs.railway.com/guides/cli, then re-run 'slack deploy'."
skills/deploy-slack-app/references/heroku.md, line 41brew tap heroku/brew && brew install heroku

Show 1 more

skills/deploy-slack-app/references/railway.md, line 19brew install railway # macOS; see https://docs.railway.com/guides/cli

Install

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

if [ -e ~/.agents/skills/'deploy-slack-app' ] || [ -L ~/.agents/skills/'deploy-slack-app' ]; then echo 'A skill folder named deploy-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 "$d" checkout --quiet '99e027a47c065223ac719a1b291997d4fc23cec0' -- 'skills/deploy-slack-app' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/deploy-slack-app' ~/.agents/skills/'deploy-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/'deploy-slack-app' ~/.claude/skills/'deploy-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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Score history

Date	Version	Score
2026-11-07	`99e027a`	82