Automate Slack with Perplexity Computer

Send channel messages, schedule announcements, share media, and streamline team communications — all from the command line or through your AI agent.

Setup Guide

Please make sure there is always a human in the loop.

Post to Slack in Seconds

Terminal

# Install the skill
npx skills add gitroomhq/postiz-agent

# Set your API key
export POSTIZ_API_KEY=your_api_key

# Find your Slack integration
postiz integrations:list

# Send a message to a Slack channel
postiz posts:create \
  -c "Team update: deployment complete" \
  --settings '{"channel":"C12345"}' \
  -i "your-slack-integration-id"

Slack-Specific Features

📢

Channel Messaging

Post messages to any Slack channel your bot has access to. Share updates, announcements, and notifications automatically.

⏰

Scheduled Messages

Schedule messages for the perfect time. Queue up announcements, reminders, and updates to post when your team is most active.

🖼

Media Sharing

Attach images, files, and rich media to your Slack messages. Share screenshots, reports, and visual updates with your team.

👥

Team Communications

Automate recurring team updates, standup summaries, and status reports across multiple channels simultaneously.

🤖

Bot Integration

Leverage Slack bot tokens for seamless posting. Your AI agent authenticates once and posts on behalf of your workspace.

📅

Multi-Channel Posting

Target different channels for different content types. Send engineering updates to #dev and marketing wins to #general.

How It Works

Find Your Slack Integration

List your connected accounts and grab your Slack integration ID. You can also fetch available settings to see what options are supported.

Discovery

# List all integrations
postiz integrations:list

# Filter for Slack
postiz integrations:list | jq \
  '.[] | select(.identifier=="slack")'

# Get Slack settings schema
postiz integrations:settings <slack-id>

Choose Your Channel

Identify the Slack channel ID where you want to post. You can find channel IDs in Slack by right-clicking a channel and selecting 'View channel details'.

Channel Setup

# Channel IDs look like C12345
# Find them in Slack:
#   Right-click channel > View channel details
#   The ID is at the bottom of the dialog

# Or use Slack's API directly
# to list channels programmatically

Create Your Post

Send a message to your Slack channel with the channel ID in settings. Schedule it for later or post immediately.

Post Creation

postiz posts:create \
  -c "Team update: deployment complete" \
  --settings '{"channel":"C12345"}' \
  -i "slack-id"

# Schedule for later
postiz posts:create \
  -c "Reminder: standup in 15 minutes" \
  -s "2025-01-15T09:45:00Z" \
  --settings '{"channel":"C12345"}' \
  -i "slack-id"

Slack Settings Reference

Every Slack post accepts these platform-specific settings via the --settings flag.

Field	Type	Required	Description
`__type`	string	Yes	Must be "slack"
`channel`	string	Yes	Slack channel ID (e.g. C12345)

Common Configurations

Copy-paste these settings for common Slack posting scenarios.

General Channel Announcement

settings.json

{
  "channel": "C12345"
}

Engineering Updates

settings.json

{
  "channel": "C67890"
}

Marketing Channel Post

settings.json

{
  "channel": "CABCDE"
}

What is Perplexity Computer?

Perplexity Computer is a general-purpose digital worker that decomposes high-level goals into subtasks, spawns specialized sub-agents across 19 AI models, and delivers finished results — from code to marketing campaigns.

🧩

Task Decomposition

Perplexity Computer breaks complex social media campaigns into subtasks and handles each one with specialized sub-agents for maximum quality.

🔄

Multi-Model

Spawns sub-agents across 19 different AI models, picking the best model for each subtask — content writing, image generation, scheduling, and more.

🎯

End-to-End Delivery

Schedule recurring tasks with cron jobs. Perplexity Computer can post your Slack messages on a schedule without you having to ask each time.

How Postiz Works with Perplexity Computer

When you install Postiz Agent globally, Perplexity Computer automatically discovers it by reading the bundled SKILL.md file. This file tells Perplexity Computer what commands are available, what environment variables are needed, and how to compose Slack messages with the right settings.

✓Install Postiz Agent and set your POSTIZ_API_KEY
✓Perplexity Computer discovers Postiz through tool integration
✓Tasks are decomposed across specialized sub-agents
✓Each sub-agent picks the best model for its subtask
✓Results are delivered end-to-end with verification

Install Postiz

# Install the Postiz skill
npx skills add gitroomhq/postiz-agent

# Set your API key
export POSTIZ_API_KEY=your_api_key

# Perplexity Computer discovers Postiz
# through its tool integration system
# and decomposes tasks across sub-agents

Slack Posting with Perplexity Computer

Give Perplexity Computer a high-level goal and it decomposes it into subtasks, discovers your integrations via Postiz, and delivers a complete posting workflow.

🌐

From Any Chat App

Give Perplexity Computer a high-level go...

Send a message to Perplexity Computer from your favorite chat app. It runs as a persistent daemon on your machine, so it picks up your message, discovers your Slack workspace via Postiz, and sends the message to the right channel — all while you go about your day.

Perplexity Computer

You: Create a week-long Slack
  campaign for our product launch

Perplexity Computer:
  Breaking this into subtasks:
  1. Research trending topics
  2. Draft 5 posts with varied angles
  3. Find your Slack integration
  4. Schedule posts across the week

  All 5 posts scheduled!
  Mon-Fri at 10:00 AM.

🌐

Scheduled & Proactive

Perplexity Computer can execute rec...

Perplexity Computer supports cron-based heartbeat tasks. Set up a recurring job that sends daily standup reminders or weekly status updates to your Slack channels automatically — no manual trigger needed.

Perplexity Computer Task

Tell Perplexity Computer:

"Every Monday morning, create a
week's worth of Slack content
based on trending topics in our
industry. Schedule one post per day
at 10 AM. Use engaging hooks and
relevant hashtags."

Perplexity Computer will:
  1. Research current trends
  2. Generate 5 unique posts
  3. Schedule via Postiz
  4. Report results back

Why Perplexity Computer + Postiz for Slack

Perplexity Computer makes Postiz a natural fit for your Slack workflow. The agent discovers all available commands and autonomously chains them together.

✓Decomposes complex Slack campaigns into optimized subtasks
✓19 AI models — picks the best one for each part of the workflow
✓End-to-end delivery from ideation to scheduled publishing
✓Research-powered content based on real-time trending topics
✓Cross-post to Slack + other platforms in a single request
✓Available to Perplexity Max subscribers

SKILL.md (auto-discovered)

---
name: postiz
description: Social media automation
  CLI for scheduling posts across
  30+ platforms including Slack
metadata:
  perplexity-computer:
    requirements:
      env:
        - POSTIZ_API_KEY
      binaries:
        - postiz
---

# Available Commands
- postiz integrations:list
- postiz integrations:settings <id>
- postiz posts:create
- postiz upload <file>
- postiz analytics:platform <id>

# Slack Settings
channel (required)

Also Works with Claude Code

Postiz Agent works as a CLI tool with any AI agent that can execute shell commands — including Anthropic's Claude Code.

Claude Code

by Anthropic

Claude reads the SKILL.md file to learn all available Postiz commands, then autonomously discovers your Slack integration, identifies the correct channel, and sends your message.

Claude Code

> Post a deployment update to #engineering
  on Slack

Claude will automatically run:
  postiz integrations:list
  postiz posts:create \
    -c "Deployment v2.4.1 complete" \
    --settings '{"channel":"C12345"}' \
    -i "slack-id"

Slack + Other Platforms

Post the same announcement to Slack and other platforms in a single command. Each platform gets its own settings.

Terminal

# Post an announcement to Slack and Discord simultaneously
postiz posts:create \
  -c "New feature released: dark mode is here!" \
  -s "2025-01-15T09:00:00Z" \
  --settings '{"channel":"C12345"}' \
  -i "slack-id,discord-id"

# Batch schedule a week of Slack updates
for day in 1 2 3 4 5; do
  postiz posts:create \
    -c "Daily standup reminder - Day $day" \
    -s "2025-03-0${day}T09:00:00Z" \
    --settings '{"channel":"C12345"}' \
    -i "slack-id"
done

Start posting to Slack

Install Postiz Agent and automate your Slack communications with AI-powered scheduling and messaging.

Get Started

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