NewsletterFIT is answering right now. Last checked 6 min ago.
Search 89,000+ Substack and beehiiv newsletters, their sponsors, topics and mentioned companies.
NewsletterFIT does not always answer
Over the last week it answered 98.3% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 6 min ago.
claude mcp add mcp --transport http https://newsletterfit.com/mcphttps://newsletterfit.com/mcp[mcp_servers.mcp]
url = "https://newsletterfit.com/mcp"{
"mcpServers": {
"mcp": {
"url": "https://newsletterfit.com/mcp"
}
}
}{
"servers": {
"mcp": {
"type": "http",
"url": "https://newsletterfit.com/mcp"
}
}
}This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://newsletterfit.com/mcp | streamable-http | sign-in | 241 ms | 6 min ago |
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NewsletterFIT — questions
Answers built from our own checks of this server.