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copy-for-slack

copy-for-slack is a skill for Claude Code from ericboehs/claude-plugins. It costs 46 tokens per session (372 once invoked), scanned A, original, MIT.

A command that converts the previous assistant response into Slack-compatible formatting and copies it to the macOS clipboard. Slack is a team messaging app, and the clipboard stores text for pasting elsewhere.

In plain words
What is it for?
Use it after a response to convert headings, emphasis, lists, links, and code into Slack formatting and copy the result.
Why use it?
It avoids manually changing Markdown formatting before sharing an agent response in Slack.

Skill for Claude Code

Written for Claude Code: disable-model-invocation in frontmatter.

Part of the copy-for-slack plugin — 1 skill shipped together

not rated 2repo 2mo ago A scan 46 tokens original MIT

Good fit Use it after a response to convert headings, emphasis, lists, links, and code into Slack formatting and copy the result.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/ericboehs/claude-plugins/copy-for-slack
View source ↗ ericboehs/claude-plugins
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add ericboehs/claude-plugins --skill copy-for-slack
Clone the repo
git clone --depth 1 https://github.com/ericboehs/claude-plugins

Made for: Claude Code.

Or install copy-for-slack, the plugin that ships this one along with the rest of its 1 skill.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for copy-for-slack

README.md
[![agentmods](https://agentmods.dev/badge/skills/ericboehs/claude-plugins/copy-for-slack/github.svg)](https://agentmods.dev/skills/ericboehs/claude-plugins/copy-for-slack)
Your own site
<a href="https://agentmods.dev/skills/ericboehs/claude-plugins/copy-for-slack"><img src="https://agentmods.dev/badge/skills/ericboehs/claude-plugins/copy-for-slack/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for copy-for-slack

Your own site · 80×15
<a href="https://agentmods.dev/skills/ericboehs/claude-plugins/copy-for-slack"><img src="https://agentmods.dev/badge/skills/ericboehs/claude-plugins/copy-for-slack.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 46 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 372 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00046 $0.00372
Opus 5.5 $0.00018 $0.00149
Sonnet 5.5 $0.00009 $0.00074
Haiku 4.5 $0.00005 $0.00037

Measured 2mo ago against content hash c4c34f918a2c, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

copy-for-slack scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/copy-for-slack/skills/copy-for-slack/SKILL.md · 34 lines

What it actually says

Copy for Slack Skill

Copies the last assistant message to the clipboard, converted to Slack-compatible formatting.

Usage

User says: "/copy-for-slack", "copy for slack", "copy that for slack"

Instructions

  1. Look at your most recent assistant message (before this skill was invoked)
  2. Convert the markdown to Slack-compatible format using these rules:
    • **bold** → *bold*
    • _italic_ or *italic* (single) → _italic_
    • ## Headings or ### Headings → *Heading text* (bold, on its own line)
    • # Headings → *Heading text* (bold, on its own line)
    • - list items → • list items
    • Nested - items → • items
    • [link text](url) → <url|link text>
    • `inline code` → `inline code` (unchanged, Slack supports this)
    • Code fences () → (unchanged, Slack supports this)
    • > blockquotes → > blockquotes (unchanged, Slack supports this)
    • Horizontal rules (---) → ———
    • Remove any HTML tags
  3. Copy the converted text to the clipboard using: pbcopy
  4. Report the character count and confirm it was copied
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 34 lines · 46 tokens per session scan A c4c34f918a2c

Subscribe to this mod's changes

copy-for-slack is a skill published in the GitHub repository ericboehs/claude-plugins (2 stars, last pushed 2mo ago), licensed MIT. It adds 46 tokens to every session and 372 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Productivity
Related

copy-for-slack compared with skills from other repositories

copy-for-slack next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
copy-for-slackericboehs/claude-pluginsSkill22mo agoMITA46Claude Code
orbit-notionnexu-io/open-designSkill106ktodayApache-2.0A117Claude Code, Codex
agentmailpaperclipai/paperclipSkill112ktodayMITA30Claude Code, Codex
Cortexdanielmiessler/LifeOSSkill20k2d agoMITA184Claude Code
rowboat-spacesrowboatlabs/rowboatSkill18ktodayApache-2.0A60Claude Code, Codex
feishuHmbown/CodeWhaleSkill41k6d agoMITA33Claude Code, Codex
pinchtab-mcppinchtab/pinchtabSkill11k11d agoMITA52Claude Code, Codex