How do I install the Zernio skill?

Run npx skillmds@latest add zernio-dev/zernio in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

What does the Zernio skill do?

Schedule posts, manage inbox, broadcasts, sequences, and automations across 14 platforms from the CLI It is listed under Coding & Dev Tools on SkillMD.

Is Zernio safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Zernio?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Zernio free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Zernio?

zernio-dev (@zernio-dev) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Zernio by zernio-dev — Agent Skill

Name: Zernio
Author: zernio-dev

Zernio CLI

Schedule and publish social media posts across 13 platforms (Instagram, TikTok, X/Twitter, LinkedIn, Facebook, Threads, YouTube, Bluesky, Pinterest, Reddit, Snapchat, Telegram, Google Business) from any terminal or AI agent.

Setup

npm install -g @zernio/cli

# Log in via browser (recommended)
zernio auth:login

# Or set your API key manually
zernio auth:set --key "sk_your-api-key"

# Verify it works
zernio auth:check

Or set the env var directly: export ZERNIO_API_KEY="sk_your-api-key"

Core Workflow

The typical flow for scheduling a post:

# 1. See your profiles
zernio profiles:list

# 2. See connected social accounts
zernio accounts:list

# 3. Schedule a post
zernio posts:create --text "Hello world!" --accounts <accountId1>,<accountId2> --scheduledAt "2025-01-15T10:00:00Z"

# 4. Check post status
zernio posts:list --status scheduled

# 5. View analytics (requires analytics add-on)
zernio analytics:posts --profileId <profileId>

Output Format

All commands output JSON by default (for AI agents and piping). Add --pretty for indented output.

Errors always return: {"error": true, "message": "...", "status": 401}

Commands Reference

Authentication

# Log in via browser (opens browser, creates API key automatically)
zernio auth:login

# Or with a custom device name
zernio auth:login --device-name "my-server"

# Save API key manually
zernio auth:set --key "sk_your-api-key"

# Optionally set custom API URL
zernio auth:set --key "sk_..." --url "https://custom.api.url/api/v1"

# Verify key works
zernio auth:check

Profiles

# List all profiles
zernio profiles:list

# Create a profile
zernio profiles:create --name "My Brand"

# Get profile details
zernio profiles:get <profileId>

# Update profile
zernio profiles:update <profileId> --name "New Name"

# Delete profile (must have no connected accounts)
zernio profiles:delete <profileId>

Accounts (Social Media Connections)

# List all connected accounts
zernio accounts:list

# Filter by profile or platform
zernio accounts:list --profileId <id> --platform instagram

# Get single account
zernio accounts:get <accountId>

# Check health of all accounts (rate limits, token expiry)
zernio accounts:health

Posts

# Publish immediately
zernio posts:create --text "Hello!" --accounts <id1>,<id2>

# Schedule for later
zernio posts:create --text "Scheduled post" --accounts <id> --scheduledAt "2025-06-01T14:00:00Z"

# Save as draft
zernio posts:create --text "Draft idea" --accounts <id> --draft

# With media
zernio posts:create --text "Check this out" --accounts <id> --media "https://example.com/image.jpg"

# With title (YouTube, Reddit)
zernio posts:create --text "Description" --accounts <id> --title "My Video Title"

# List posts with filters
zernio posts:list --status published --page 1 --limit 20
zernio posts:list --profileId <id> --from "2025-01-01" --to "2025-01-31"
zernio posts:list --search "product launch"

# Get post details
zernio posts:get <postId>

# Delete a post
zernio posts:delete <postId>

# Retry a failed post
zernio posts:retry <postId>

Analytics (requires analytics add-on)

# Post analytics
zernio analytics:posts --profileId <id>
zernio analytics:posts --postId <postId>
zernio analytics:posts --platform instagram --sortBy engagement

# Daily metrics
zernio analytics:daily --accountId <id> --from "2025-01-01" --to "2025-01-31"

# Best posting times
zernio analytics:best-time --accountId <id>

Media

# Upload a file (returns URL for use in posts:create --media)
zernio media:upload ./photo.jpg
zernio media:upload ./video.mp4

Platform-Specific Examples

Instagram Reel

zernio media:upload ./reel.mp4
# Use the returned URL:
zernio posts:create --text "New reel!" --accounts <instagramAccountId> --media "<returned-url>"

Multi-Platform Post

zernio posts:create \
  --text "Big announcement!" \
  --accounts <instagramId>,<twitterId>,<linkedinId> \
  --media "https://example.com/image.jpg" \
  --scheduledAt "2025-06-01T09:00:00Z" \
  --timezone "America/New_York"

Threads + Twitter Simultaneous

zernio posts:create --text "Thoughts on AI agents..." --accounts <threadsId>,<twitterId>

Supported Platforms

Instagram, TikTok, X (Twitter), LinkedIn, Facebook, Threads, YouTube, Bluesky, Pinterest, Reddit, Snapchat, Telegram, Google Business Profile.

Error Handling

Common errors and their meaning:

401 - Invalid or missing API key
402 - Feature requires paid add-on (e.g., analytics)
403 - Plan limit reached or insufficient permissions
404 - Resource not found
429 - Rate limited (account in cooldown)

Inbox (DMs, Comments, Reviews)

# List DM conversations
zernio inbox:conversations --platform instagram
zernio inbox:conversations --accountId <id> --status active

# Read messages in a conversation
zernio inbox:messages <conversationId> --accountId <id>

# Send a DM
zernio inbox:send <conversationId> --accountId <id> --message "Thanks for reaching out!"

# List comments across posts
zernio inbox:comments --platform instagram --since "2025-01-01"

# Get comments on a specific post
zernio inbox:post-comments <postId> --accountId <id>

# Reply to a comment
zernio inbox:reply <postId> --accountId <id> --message "Thank you!"

# Reply to a specific comment (not the post)
zernio inbox:reply <postId> --accountId <id> --message "Great point" --commentId <commentId>

# List reviews (Facebook, Google Business)
zernio inbox:reviews --minRating 1 --maxRating 3 --hasReply false

# Reply to a review
zernio inbox:review-reply <reviewId> --accountId <id> --message "Thanks for your feedback!"

Contacts

# List contacts
zernio contacts:list --profileId <id>
zernio contacts:list --search "john" --tag vip --platform instagram

# Create a contact
zernio contacts:create --profileId <id> --accountId <id> --platform instagram --platformUserId <userId> --name "John Doe" --tags "vip,lead"

# Get/update/delete
zernio contacts:get <contactId>
zernio contacts:update <contactId> --name "Jane Doe" --tags "vip,customer"
zernio contacts:delete <contactId>

# List channels (platforms) for a contact
zernio contacts:channels <contactId>

# Custom fields
zernio contacts:set-field <contactId> <slug> --value "some value"
zernio contacts:clear-field <contactId> <slug>

# Bulk create from JSON file (up to 1000)
zernio contacts:bulk-create --profileId <id> --accountId <id> --platform instagram --file ./contacts.json

Broadcasts

# List broadcasts
zernio broadcasts:list --profileId <id> --status draft

# Create a broadcast draft (generic message)
zernio broadcasts:create --profileId <id> --accountId <id> --platform instagram --name "Summer Sale" --message "Check out our summer deals!"

# Create a WhatsApp broadcast with template
zernio broadcasts:create --profileId <id> --accountId <id> --platform whatsapp --name "Order Update" --templateName "order_confirmation" --templateLanguage "en"

# Add recipients
zernio broadcasts:add-recipients <broadcastId> --contactIds <id1>,<id2>,<id3>
zernio broadcasts:add-recipients <broadcastId> --useSegment

# Send immediately or schedule
zernio broadcasts:send <broadcastId>
zernio broadcasts:schedule <broadcastId> --scheduledAt "2025-06-01T10:00:00Z"

# Check delivery status
zernio broadcasts:get <broadcastId>
zernio broadcasts:recipients <broadcastId> --status delivered

# Cancel
zernio broadcasts:cancel <broadcastId>

Sequences (Drip Campaigns)

# List sequences
zernio sequences:list --profileId <id> --status active

# Create a sequence (steps defined in JSON file)
zernio sequences:create --profileId <id> --accountId <id> --platform instagram --name "Welcome Series" --stepsFile ./steps.json

# steps.json example:
# [
#   {"order": 1, "delayMinutes": 0, "message": "Welcome! Thanks for connecting."},
#   {"order": 2, "delayMinutes": 1440, "message": "Here are some tips to get started..."},
#   {"order": 3, "delayMinutes": 4320, "message": "Check out our latest content!"}
# ]

# Activate/pause
zernio sequences:activate <sequenceId>
zernio sequences:pause <sequenceId>

# Enroll contacts
zernio sequences:enroll <sequenceId> --contactIds <id1>,<id2>

# Check enrollments
zernio sequences:enrollments <sequenceId> --status active

# Unenroll a contact
zernio sequences:unenroll <sequenceId> <contactId>

Comment-to-DM Automations

# List automations
zernio automations:list --profileId <id>

# Create: auto-DM anyone who comments "info" on a post
zernio automations:create \
  --profileId <id> --accountId <id> \
  --platformPostId <igPostId> \
  --name "Lead Magnet" \
  --keywords "info,details,link" \
  --dmMessage "Here's the link you asked for: https://example.com" \
  --commentReply "Check your DMs!"

# Trigger on ALL comments (no keywords filter)
zernio automations:create \
  --profileId <id> --accountId <id> \
  --platformPostId <igPostId> \
  --name "Engagement Boost" \
  --dmMessage "Thanks for engaging! Here's a special offer..."

# Update
zernio automations:update <automationId> --isActive false
zernio automations:update <automationId> --keywords "buy,order" --matchMode exact

# View trigger logs
zernio automations:logs <automationId> --status sent
zernio automations:logs <automationId> --status failed

# Delete
zernio automations:delete <automationId>

Tips for AI Agents

Always call zernio accounts:list first to get valid account IDs before creating posts
Use zernio accounts:health to check if accounts are rate-limited before posting
Post IDs from zernio posts:create can be used with zernio posts:get to check publish status
For multi-image posts, upload each file with zernio media:upload first, then pass all URLs comma-separated to --media
Schedule posts at least 5 minutes in the future for reliable delivery
For inbox commands, you always need an --accountId to specify which social account to use
Broadcasts and sequences work across all inbox platforms (Instagram, Facebook, Telegram, X, WhatsApp, Bluesky, Reddit)
Comment-to-DM automations currently support Instagram and Facebook
Use zernio contacts:list to get contact IDs before enrolling in sequences or adding to broadcasts

Zernio

File contents

Zernio CLI

Setup

Core Workflow

Output Format

Commands Reference

Authentication

Profiles

Accounts (Social Media Connections)

Posts

Analytics (requires analytics add-on)

Media

Platform-Specific Examples

Instagram Reel

Multi-Platform Post

Threads + Twitter Simultaneous

Supported Platforms

Error Handling

Inbox (DMs, Comments, Reviews)

Contacts

Broadcasts

Sequences (Drip Campaigns)

Comment-to-DM Automations

Tips for AI Agents

Frequently asked questions

Zernio

File contents

Zernio CLI

Setup

Core Workflow

Output Format

Commands Reference

Authentication

Profiles

Accounts (Social Media Connections)

Posts

Analytics (requires analytics add-on)

Media

Platform-Specific Examples

Instagram Reel

Multi-Platform Post

Threads + Twitter Simultaneous

Supported Platforms

Error Handling

Inbox (DMs, Comments, Reviews)

Contacts

Broadcasts

Sequences (Drip Campaigns)

Comment-to-DM Automations

Tips for AI Agents

Related skills

Frequently asked questions

How do I install the Zernio skill?

What does the Zernio skill do?

Is Zernio safe to use?

Which AI agents work with Zernio?

Is Zernio free to use?

Who published Zernio?