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.
npx agentmods add skills/ericboehs/claude-plugins/copy-for-slacknpx skills add ericboehs/claude-plugins --skill copy-for-slackgit clone --depth 1 https://github.com/ericboehs/claude-pluginsWhat 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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00046 | $0.00372 |
| Opus 5 | $0.00023 | $0.00186 |
| Sonnet 5 | $0.00009 | $0.00074 |
| Haiku 4.5 | $0.00005 | $0.00037 |
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 2d 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.
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
- Look at your most recent assistant message (before this skill was invoked)
- Convert the markdown to Slack-compatible format using these rules:
**bold**→*bold*_italic_or*italic*(single) →_italic_## Headingsor### 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
- Copy the converted text to the clipboard using:
pbcopy - Report the character count and confirm it was copied
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.
- 2d ago First seen · 34 lines · 46 tokens per session scan A c4c34f918a2c
copy-for-slack is a skill published in the GitHub repository ericboehs/claude-plugins (2 stars, last pushed 9d ago), licensed MIT. It adds 46 tokens to every session and 372 once invoked, about $0.0002 per session on Opus 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.
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