MCP CheckSiren
ai.mysiren/siren
About Siren
Siren is an MCP server published by mysiren.ai. Deterministic visual marketing engine. Your agent plans, renders, and posts on-brand campaigns.
It is hosted by the publisher at one address, so there is nothing to install: your AI client connects to it over the internet.
It asks for no keys or passwords.
Version 1.1.0 was published on 9 September 2026, and the source code is public, so you can read it before installing.
Written from the registry entry. 7 automated checks on the registry entry and the live tool descriptions: 4 pass, 0 warn, 0 fail, 3 info. How we check.
What it asks for
This server declares no environment variables, so it asks for no keys or settings.
Checks
| Check | Result | Detail |
|---|---|---|
| Source repository linked | Pass | https://github.com/Hexahedral-Inc/siren-mcp |
| Remote uses HTTPS | Pass | All remote endpoints use https:// |
| Secrets requested | Info | Asks for no secrets |
| Namespace ownership | Info | Name verified via domain mysiren.ai |
| Registry text aimed at the AI | Pass | Description and settings contain no hidden characters or instructions to the AI |
| Tool descriptions read | Info | Lists 45 tools: get_account, list_runs, get_run, create_campaign, list_films, list_platinum_films, list_styles, describe_film, clarify_brief, render_asset, upload_media, edit_asset, … |
| Hidden instructions in tools | Pass | Read every tool description and the server instructions: no hidden characters or instructions to the AI |
Popularity & health: 46 / 100
Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.
0 forks, 0 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.
What people say
No Hacker News threads link to its source code.
Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.
Facts
| Registry name | ai.mysiren/siren |
|---|---|
| Publisher | Domain mysiren.ai |
| How the name is verified | Name verified via domain mysiren.ai. The registry ties the name prefix to that account or domain; it does not check the code. |
| Type | Remote: hosted at a URL, nothing to install |
| Remote endpoints | streamable-http https://mcp.mysiren.ai/mcp |
| Version | 1.1.0 |
| Published | |
| Last updated | |
| Source repository | https://github.com/Hexahedral-Inc/siren-mcp |
| Website | None linked |
| Category | Marketing & sales (assigned by keyword rule, not by hand) |
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