Openpaw c-slack

Send messages and upload files to Slack channels using the `slack` CLI. Supports direct messages, channel posts, file uploads, and thread replies.

install

source · Clone the upstream repo

git clone https://github.com/daxaur/openpaw

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/daxaur/openpaw "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/c-slack" ~/.claude/skills/daxaur-openpaw-c-slack && rm -rf "$T"

manifest: skills/c-slack/SKILL.md

What This Skill Does

Enables Claude to send messages and share files to Slack channels and users via the

slack

CLI tool.

Available CLI Tool:

slack

Common Commands

# Send a message to a channel
slack chat send --channel "#general" --text "Hello team"

# Send a direct message to a user
slack chat send --channel "@username" --text "Hey!"

# Upload a file to a channel
slack files upload --channel "#general" --file ./report.pdf --title "Weekly Report"

# Post with markdown formatting
slack chat send --channel "#dev" --text "*Bold* and _italic_ text"

# Reply in a thread (requires thread timestamp)
slack chat send --channel "#general" --thread-ts "1234567890.123456" --text "Reply here"

# List channels
slack channels list

Usage Guidelines

Always confirm the target channel or user before sending
Use
```
#channel-name
```
syntax for channels and
```
@username
```
for DMs
File uploads support PDF, images, text, and most common formats
Keep messages concise; use threads for follow-ups

Notes

Requires
```
slack
```
CLI to be installed and authenticated (
```
slack auth
```
)
Bot token must have
```
chat:write
```
and
```
files:write
```
scopes
Rate limits apply — avoid bulk sending in tight loops