Slack Automator

Automate Slack messaging, channels, and search with Block Kit. Use when sending scheduled messages, syncing channels, monitoring chats, notifying teams.

bytesagain4@xueyetianya

Install

openclaw skills install @xueyetianya/slack-automator

slack-automator

Send messages to Slack channels via Incoming Webhooks. Supports direct messaging, channel notifications, message templates with variable substitution, scheduled messages, formatting helpers, and full send history with export.

Requirements

bash 4.0+
curl (for HTTP requests to Slack)
python3 (for JSON handling — typically pre-installed)
Slack Incoming Webhook URL — see setup below

How to Get a Slack Webhook URL

Go to https://api.slack.com/apps
Click Create New App → From scratch
Name it (e.g., "Automator") and select your workspace
In the left sidebar, click Incoming Webhooks
Toggle Activate Incoming Webhooks to On
Click Add New Webhook to Workspace
Select the channel to post to and click Allow
Copy the webhook URL (starts with https://hooks.slack.com/services/...)

Setup

Configure the webhook URL before sending messages:

bash

scripts/script.sh connect https://hooks.slack.com/services/T00000/B00000/xxxxxxxx

Verify connectivity:

bash

scripts/script.sh webhook test

Commands

`connect <webhook_url>`

Save a Slack Incoming Webhook URL to local configuration. The URL is stored in ~/.slack-automator/config.json.

bash

# Save your webhook URL
scripts/script.sh connect https://hooks.slack.com/services/T00000/B00000/xxxxxxxx
# ✅ Webhook URL saved.

`send <message>`

Send a plain text message to Slack via the configured webhook.

bash

# Send a simple message
scripts/script.sh send "Hello from Slack Automator!"

# Send a message with emoji
scripts/script.sh send "🚀 Deployment complete — v2.1.0 is live!"

# Send multi-word messages
scripts/script.sh send Build succeeded, all 142 tests passing.

`notify <channel> <message>`

Send a message to a specific Slack channel. The channel name will be prefixed with # if not already present.

bash

# Notify the alerts channel
scripts/script.sh notify alerts "⚠️ Server CPU at 95%!"

# Notify with # prefix (also works)
scripts/script.sh notify "#deployments" "v3.0.2 deployed to production"

# Notify the team channel
scripts/script.sh notify general "Standup in 5 minutes!"

`schedule add <time> <message>`

Add a scheduled message. Time can be in HH:MM format (converted to daily cron) or a full cron expression. Schedules are saved to ~/.slack-automator/schedule.json.

bash

# Schedule a daily message at 9:00 AM
scripts/script.sh schedule add 09:00 "Good morning, team! ☀️"

# Schedule with cron expression (every Friday at 6 PM)
scripts/script.sh schedule add "0 18 * * 5" "Happy Friday! 🎉"

# Schedule hourly reminder
scripts/script.sh schedule add "0 * * * *" "Hourly status check"

Note: Schedules are saved locally. To actually trigger them, set up a cron job that runs slack-automator send with the scheduled messages.

`schedule list`

Display all scheduled messages with their IDs, cron expressions, and status.

bash

scripts/script.sh schedule list
# === Scheduled Messages ===
#   ✅ [1710820800] 0 9 * * * — Good morning, team! ☀️
#   ✅ [1710820900] 0 18 * * 5 — Happy Friday! 🎉

`schedule remove <id>`

Remove a scheduled message by its ID.

bash

scripts/script.sh schedule remove 1710820900
# ✅ Removed schedule 1710820900.

`template list`

List all saved message templates.

bash

scripts/script.sh template list
# === Message Templates ===
#   📝 deploy — 🚀 Deployed *{{service}}* to production.
#   📝 alert — ⚠️ Alert: {{message}} (severity: {{level}})

`template save <name> <message>`

Save a reusable message template. Use {{variable}} placeholders for dynamic values.

bash

# Save a deploy notification template
scripts/script.sh template save deploy "🚀 Deployed *{{service}}* to production ({{version}})."

# Save an alert template
scripts/script.sh template save alert "⚠️ {{level}}: {{message}}"

# Save a welcome template
scripts/script.sh template save welcome "👋 Welcome to the team, {{name}}!"

`template use <name> [var=value ...]`

Send a message using a saved template. Variables in {{var}} are replaced with provided var=value pairs.

bash

# Use deploy template with variables
scripts/script.sh template use deploy service=api-server version=v2.1.0
# Sends: 🚀 Deployed *api-server* to production (v2.1.0).

# Use alert template
scripts/script.sh template use alert level=HIGH message="Database connection timeout"

# Use welcome template
scripts/script.sh template use welcome name=Alice

`webhook test`

Send a test message to verify webhook connectivity. The test message includes a timestamp.

bash

scripts/script.sh webhook test
# Testing webhook connectivity...
# ✅ Webhook is working! Test message sent.

`webhook info`

Show the current webhook configuration. The URL is partially masked for security.

bash

scripts/script.sh webhook info
# === Webhook Configuration ===
#   URL: https://hooks.slack.com/services/T0...xxxxxxxx
#   Full URL stored in: ~/.slack-automator/config.json

`format <style> <message>`

Format a message using Slack's mrkdwn syntax and optionally send it. Available styles:

Style	Slack Syntax	Example Output
`bold`	`text`	text
`italic`	`_text_`	text
`code`	`text`	`text`
`codeblock`	```text```	code block
`quote`	`> text`	quoted text
`strike`	`~text~`	~~text~~
`list`	`• item`	bulleted list

bash

# Format as bold
scripts/script.sh format bold "Important announcement"
# Output: *Important announcement*

# Format as code block
scripts/script.sh format codeblock "const x = 42;"
# Output: ```const x = 42;```

# Format comma-separated items as bullet list
scripts/script.sh format list "Task 1, Task 2, Task 3"
# Output:
# • Task 1
# • Task 2
# • Task 3

`history`

Show the 20 most recent messages from the send history, including timestamps, actions, status, and channels.

bash

scripts/script.sh history
# === Message History ===
#   ✅ [2025-03-19 09:00:00] send: Good morning, team!
#   ✅ [2025-03-19 09:15:30] notify → #alerts: CPU alert cleared
#   ❌ [2025-03-19 10:00:00] send: Failed message (webhook down)
#   Total: 42 message(s)

`stats`

Show usage statistics including message counts, success rate, action breakdown, and date range.

bash

scripts/script.sh stats
# === Slack Automator Stats ===
#   Messages sent:    42
#   Successful:       40
#   Failed:           2
#   Success rate:     95.2%
#   Scheduled:        3
#   Templates:        5
#
#   Actions breakdown:
#     send: 30
#     notify: 8
#     template-use: 4
#
#   Period: 2025-01-15 → 2025-03-19

`export <format>`

Export message history to a file. Supported formats: json, csv, txt.

bash

# Export as JSON
scripts/script.sh export json
# ✅ Exported history to ~/.slack-automator/export.json

# Export as CSV (for spreadsheets)
scripts/script.sh export csv
# ✅ Exported 42 entries to ~/.slack-automator/export.csv

# Export as plain text
scripts/script.sh export txt

`config [key] [value]`

View or set configuration values. Available keys: webhook_url, default_channel, username, icon_emoji.

bash

# View all configuration
scripts/script.sh config
# === Slack Automator Configuration ===
#   webhook_url = https://hooks.slack.com/...
#   default_channel = #general

# Set a specific value
scripts/script.sh config default_channel "#engineering"
# ✅ Set default_channel = #engineering

# Get a specific value
scripts/script.sh config default_channel
# default_channel = #engineering

`help`

Print usage information and the list of all available commands.

bash

scripts/script.sh help

`version`

Print the current version string.

bash

scripts/script.sh version
# slack-automator v3.0.2

Data Storage

All data is stored in ~/.slack-automator/:

File	Purpose
`config.json`	Webhook URL and settings
`history.json`	Complete message send history
`schedule.json`	Scheduled messages
`templates/`	Saved message templates (`.txt`)

Examples

Quick Start

bash

# 1. Connect your webhook
scripts/script.sh connect https://hooks.slack.com/services/T00/B00/xxx

# 2. Test it works
scripts/script.sh webhook test

# 3. Send your first message
scripts/script.sh send "Hello, Slack! 👋"

CI/CD Integration

bash

# Save a deploy template
scripts/script.sh template save deploy "🚀 *{{service}}* deployed to *{{env}}* ({{version}})"

# Use it in your pipeline
scripts/script.sh template use deploy service=web-app env=production version=v1.2.3

Monitoring Alerts

bash

# Direct alert to a channel
scripts/script.sh notify alerts "🔴 Database connection pool exhausted — 0/50 available"

# Formatted alert
scripts/script.sh format bold "CRITICAL: Payment service unreachable"

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Slack Automator

Install

slack-automator

Requirements

How to Get a Slack Webhook URL

Setup

Commands

connect <webhook_url>

send <message>

notify <channel> <message>

schedule add <time> <message>

schedule list

schedule remove <id>

template list

template save <name> <message>

template use <name> [var=value ...]

webhook test

webhook info

format <style> <message>

history

stats

export <format>

config [key] [value]

help

version

Data Storage

Examples

Quick Start

CI/CD Integration

Monitoring Alerts

Related skills

`connect <webhook_url>`

`send <message>`

`notify <channel> <message>`

`schedule add <time> <message>`

`schedule list`

`schedule remove <id>`

`template list`

`template save <name> <message>`

`template use <name> [var=value ...]`

`webhook test`

`webhook info`

`format <style> <message>`

`history`

`stats`

`export <format>`

`config [key] [value]`

`help`

`version`