Sponsorbook is listed as active in the registry but did not answer our last check. 50 installs a week from npm. Last commit 25 Aug 2026.
Research YouTube sponsors, inspect sponsorship evidence, and manage brand lists with Sponsorbook.
What the code does
We read the source, 2 d ago · rules 995398eba69f
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
const child = spawn(process.execPath, [mcpRemote, resolveMcpUrl(), ...args], {
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
This code can reach further than it looks
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.
claude mcp add sponsorbook-mcp --transport http https://app.sponsorbook.io/mcphttps://app.sponsorbook.io/mcp[mcp_servers.sponsorbook-mcp]
url = "https://app.sponsorbook.io/mcp"{
"mcpServers": {
"sponsorbook-mcp": {
"url": "https://app.sponsorbook.io/mcp"
}
}
}{
"servers": {
"sponsorbook-mcp": {
"type": "http",
"url": "https://app.sponsorbook.io/mcp"
}
}
}Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://app.sponsorbook.io/mcp | streamable-http | answering | 77 ms | 10 min ago |
Alternatives to Sponsorbook
same job, measured the same wayBYOK Reddit/YouTube research CLI with a tamper-evident audit log and an MCP server.
YouTube sponsorship data: which brands sponsor which creators, and who to contact. Read only.
Public index of YouTube sponsorships: which brands sponsor which creators, from sampled videos.
Search YouTube, read video metadata, and fetch transcripts with language preferences
Web research across search, Reddit, YouTube, reviews and ad libraries, with line-numbered citations
Search YouTube, manage your channel and read analytics; every change needs your approval.
Research and create for YouTube, Instagram & TikTok
YouTube discovery, transcripts, library search, and monitors with API keys or OAuth.
Sponsorbook — questions
Answers built from our own checks of this server.