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Agent skill

Slack Tools

by RightNow-AI in RightNow-AI/openfang

Slack workspace management and automation specialist. An agent skill from RightNow-AI/openfang.

Apache-2.0Auto-check passed

Install Slack Tools

skills CLI
$ npx skills add RightNow-AI/openfang --skill slack-tools -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install RightNow-AI/openfang slack-tools --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/RightNow-AI/openfang.git skills-src && mkdir -p .claude/skills && cp -r skills-src/crates/openfang-skills/bundled/slack-tools .claude/skills/slack-tools && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
slack-tools
GitHub stars
18k
Token cost
~719 tokens
SKILL.md length
351 words
Files
1
Skills in repo
68
Repo updated
First seen
Licence
Apache-2.0

At a glance

Slack workspace management and automation specialist. An agent skill from RightNow-AI/openfang.

  • SKILL.md covers Key Principles, Slack API Usage, Automation Patterns and Message Formatting, plus 2 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Slack Tools is an agent skill from RightNow-AI/openfang. Slack workspace management and automation specialist

Its SKILL.md is about 720 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It works with Slack. The repository describes itself as: Open-source Agent Operating System. The licence is Apache-2.0.

Example prompts

  • “/slack-tools”

What it can do on your machine

Read from SKILL.md and the folder at commit acf2587. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Slack Tools loads about 719 tokens when it runs. Until then it costs about 16 tokens; SKILL.md has 351 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~16
When it runs · the whole SKILL.md, loaded when a task matches
~719

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from RightNow-AI/openfang at commit acf2587, republished under its Apache-2.0 licence (© RightNow-AI). 351 words, ~719 tokens.

Download SKILL.mdSave it as .claude/skills/slack-tools/SKILL.md (or your agent's skills folder).
name
slack-tools
description
Slack workspace management and automation specialist

Slack Workspace Management and Automation

You are a Slack specialist. You help users manage workspaces, automate workflows, build integrations, and use the Slack API effectively for team communication and productivity.

Key Principles

  • Respect workspace norms and channel purposes. Do not send messages to channels where they are off-topic.
  • Use threads for detailed discussions to keep channels readable.
  • Automate repetitive tasks with Slack Workflow Builder or the Slack API, but always get team buy-in first.
  • Handle tokens and webhook URLs as secrets — never log or commit them.

Slack API Usage

  • Use the Web API (chat.postMessage, conversations.list, users.info) for programmatic interaction.
  • Use Block Kit for rich message formatting — buttons, dropdowns, sections, and interactive elements.
  • Use Socket Mode for development and Bolt framework for production Slack apps.
  • Rate limits: respect Retry-After headers. Tier 1 methods allow ~1 req/sec, Tier 2 ~20 req/min.
  • Pagination: use cursor-based pagination with limit parameter for list endpoints.

Automation Patterns

  • Scheduled messages: Use chat.scheduleMessage for reminders and recurring updates.
  • Notifications: Set up incoming webhooks for CI/CD notifications, monitoring alerts, and deployment status.
  • Workflows: Use Workflow Builder for no-code automations (form submissions, channel notifications, approval flows).
  • Slash commands: Build custom /commands for team-specific actions (deploy, status check, incident creation).
  • Event subscriptions: Listen to message, reaction_added, member_joined_channel for reactive automations.
Show full SKILL.md (142 more words)Show less

Message Formatting

  • Use Block Kit Builder (https://app.slack.com/block-kit-builder) to design and preview message layouts.
  • Use mrkdwn for inline formatting: *bold*, _italic_, `code`, code block .
  • Mention users with <@USER_ID>, channels with <#CHANNEL_ID>, and groups with <!subteam^GROUP_ID>.
  • Use attachments with color bars for status indicators (green for success, red for failure).

Workspace Management

  • Organize channels by purpose: #team-, #project-, #alert-, #help- prefixes.
  • Archive inactive channels regularly to reduce clutter.
  • Set channel topics and descriptions to help members understand each channel's purpose.
  • Use user groups for efficient notification targeting instead of @channel or @here.

Pitfalls to Avoid

  • Never use @channel or @here in large channels without a genuinely urgent reason.
  • Do not store Slack bot tokens in code — use environment variables or secret managers.
  • Avoid building bots that send too many messages — noise reduces engagement.
  • Do not request more OAuth scopes than your app actually needs.

© RightNow-AI, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in crates/openfang-skills/bundled/slack-tools of RightNow-AI/openfang.

Open the folder on GitHubat commit acf2587

Compare with similar skills

Slack Tools next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Slack Tools compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Slack Tools this skillRightNow-AI/openfang18k—~719Automated safety check: PassApache-2.0
Agent Browser CLIvercel-labs/agent-browser44k24 repos~864Automated safety check: PassApache-2.0
Slack GIF Creatoranthropics/skills180k29 repos~2kAutomated safety check: PassApache-2.0
Code Design Rationale Investigatorcursor/plugins10k9 repos~2.6kAutomated safety check: PassNone
Electron App Automationvercel-labs/agent-browser44k5 repos~1.7kAutomated safety check: PassApache-2.0
Slack Browser Automationvercel-labs/agent-browser44k1 repos~2.1kAutomated safety check: PassApache-2.0

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Works with

Questions about Slack Tools

What does Slack Tools do?

Slack workspace management and automation specialist. An agent skill from RightNow-AI/openfang. Slack Tools is an agent skill from RightNow-AI/openfang.

How do I install Slack Tools in Claude Code?

Run `npx skills add RightNow-AI/openfang --skill slack-tools -a claude-code`. Or copy the skill folder (crates/openfang-skills/bundled/slack-tools in RightNow-AI/openfang) into .claude/skills/slack-tools in your project. Claude Code loads it when a task matches its description.

How do I install Slack Tools in Codex?

Run `npx skills add RightNow-AI/openfang --skill slack-tools -a codex`. Or copy the skill folder (crates/openfang-skills/bundled/slack-tools in RightNow-AI/openfang) into .agents/skills/slack-tools in your project. Codex loads it when a task matches its description.

Can I use Slack Tools in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add RightNow-AI/openfang --skill slack-tools -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/slack-tools, .gemini/skills/slack-tools, .github/skills/slack-tools and .opencode/skills/slack-tools in your project.

What does Slack Tools need to run?

SKILL.md names no scripts, command-line tools or credentials: Slack Tools is instructions for the agent only.

Does Slack Tools access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Slack Tools safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Slack Tools use?

Slack Tools is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Slack Tools use?

About 719 tokens (SKILL.md is roughly 2.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Slack Tools?

Skills that share tags, products or a category with Slack Tools: Agent Browser CLI (vercel-labs/agent-browser, 44k stars), Slack GIF Creator (anthropics/skills, 180k stars), Code Design Rationale Investigator (cursor/plugins, 10k stars) and Electron App Automation (vercel-labs/agent-browser, 44k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Slack Tools?

RightNow-AI (a GitHub organization) maintains it in RightNow-AI/openfang, which has 18,216 GitHub stars. The repository holds 68 skills in this directory. The repository was last updated on July 2, 2026.

Source: RightNow-AI/openfang on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.