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slack-api

92 / 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 asks which Slack Web API method does something, needs a method's OAuth scopes or token type, wants to call or test a family.method endpoint (chat.postMessage, conversations.history, users.info, views.open), is handling cursor pagination (next_cursor) or rate limits (tier/ratelimited/Retry-After), or is debugging errors like missing_scope, invalid_auth, or channel_not_found. Also trigger on a pasted slack.com/api/ URL or docs.slack.dev/reference/methods link.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

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

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