Siren

Siren MCP

Your agent makes the images, captions, and videos for your brand, then posts them to your socials. You show Siren the brand once. After that you type post this in Cursor, Claude, ChatGPT, Codex, or Grok and it goes out.

Remote MCP server, Streamable HTTP, OAuth 2.1. No API keys to copy.

Server	https://mcp.mysiren.ai/mcp
Registry	ai.mysiren/siren
Docs	https://mysiren.ai/docs/mcp
Plans	Plans start at $19 per month. MCP is Pro and up.

Connect

Claude Code

claude mcp add --transport http siren https://mcp.mysiren.ai/mcp

Claude (claude.ai): Settings → Connectors → Custom → https://mcp.mysiren.ai/mcp

Cursor: Settings → Tools & MCP → add a remote server, or in ~/.cursor/mcp.json:

{ "mcpServers": { "siren": { "url": "https://mcp.mysiren.ai/mcp" } } }

ChatGPT: Developer Mode on → Settings → Apps & Connectors → Create → https://mcp.mysiren.ai/mcp

Grok: grok.com/connectors → Custom, or grok mcp add --transport http siren https://mcp.mysiren.ai/mcp

The agent opens a consent page on app.mysiren.ai. Approve once. Posting stays off until you turn on Allow posting on that screen. Revoke any time under Developers.

Tools

Tool	What it does
get_account	Workspace, plan, credits, connected channels
clarify_brief	Turns a one-line ask into a brief Siren can render
create_campaign	Generates the asset. Optional scheduled_at, timezone, platforms
render_asset	Renders a specific output type
list_runs, get_run	Status and result URLs
post_run	Publishes a finished run to your connected channels now
schedule_post	Queues a finished run for a time in your timezone
get_brand_dna, update_brand_dna	Read and patch the brand profile
list_product_screens, upload_product_screen, update_product_screen, delete_product_screen	Product screenshots Siren can paint into assets

Posts go through the channels already connected in the Siren dashboard: X, LinkedIn, Instagram, TikTok, YouTube. The agent never sees your platform tokens.

Example

> Post an update about the new export feature. Use the dashboard screenshot.

The agent calls clarify_brief, then create_campaign, waits on get_run, and calls post_run. One image or film, a caption, and the post, on brand every time.

This repo

Listing and connect docs. The server is hosted at mcp.mysiren.ai. Questions: open an issue or write to hello@mysiren.ai.

Siren · a thousand voices, one signature.