Siren MCP · Claude

Your marketing, one message away in Claude

Add Siren as a custom connector in Claude and your chats can end in a finished, on-brand post instead of a to-do.

claude.ai · connectors

Claudeconnected

> make a launch video for today’s release
✓ render_asset  launch video, 18s
> post it to X and LinkedIn
✓ post_run      posted

set up

Add a custom connector

1
In Claude open Settings, then Connectors, then add a custom connector.
2
Paste the URL and approve once at app.mysiren.ai/connect.
3
Connect your channels in the Siren dashboard and turn on Allow posting.

https://mcp.mysiren.ai/mcp

What you can ask

Make a video about our new onboarding flow and post it to X on Friday at noon.
Turn this blog post into a LinkedIn still and a caption.
Read our Brand DNA and tell me what is missing.
Post the video from yesterday to TikTok too.

Same brand every time

Siren keeps your Brand DNA: colors, type, logo, voice and what you sell. Every video and still starts from it, so the tenth post looks like it came from the same company as the first.

faq

Straight answers.

Claude or Claude Code?

Both work. Claude Code uses one terminal command. Claude uses a custom connector with the same URL.

Which plan do I need?

Any plan, Spark included. Videos are the one thing that needs Pro or above.

Can Claude change my brand?

It can read and update Brand DNA fields through update_brand_dna. Brand Memory stays in the dashboard.

siren mcp

Pick your agent.

All agents→Claude Code→Cursor→ChatGPT→

Video generator→vsCompare→

a thousand voices, one signature

Finish the chat with a post.

Add Siren to Claude as a custom connector.

Get started See pricing