Find brands that already sponsor newsletters like yours, with sponsorship rates.
Maintain this server? Claim it
Call this server's tools from your browser. Nothing to install.
Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.
Tool list from our last check. Connect live to refresh it.
Use this when someone who runs a newsletter asks which brands might sponsor it or how to find sponsors for it. Takes the newsletter's web address, finds similar newsletters, and returns the brands that sponsored them, with the newsletters and dates where each ad ran. Starts a scan of the public newsletter pages if none exists; a new scan takes about 15 to 60 seconds.
The newsletter's web address, such as yourname.substack.com or yournewsletter.com
This tool isn't marked read-only, so it may change something on the server or in an account you connected.
Use this when someone who runs a newsletter asks which brands might sponsor it or how to find sponsors for it. Takes the newsletter's web address, finds similar newsletters, and returns the brands that sponsored them, with the newsletters and dates where each ad ran. Starts a scan of the public newsletter pages if none exists; a new scan takes about 15 to 60 seconds.
| Argument | Type | Description |
|---|---|---|
| newsletter_url* | string | The newsletter's web address, such as yourname.substack.com or yournewsletter.com |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"newsletter_url"
],
"properties": {
"newsletter_url": {
"type": "string",
"maxLength": 300,
"minLength": 3,
"description": "The newsletter's web address, such as yourname.substack.com or yournewsletter.com"
}
}
}Use this when someone asks how much to charge for a newsletter sponsorship or what newsletters charge for an ad. Returns the median price newsletters list for the main sponsor slot of one issue, by list size, read from their own advertise pages.
| Argument | Type | Description |
|---|---|---|
| subscribers | integer | The newsletter's subscriber count, to pick its size band |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"subscribers": {
"type": "integer",
"maximum": 100000000,
"description": "The newsletter's subscriber count, to pick its size band",
"exclusiveMinimum": 0
}
}
}Use this to read the result of a sponsor scan that find_newsletter_sponsors started, for example when it reported that the scan was still running. Takes the same newsletter web address.
| Argument | Type | Description |
|---|---|---|
| newsletter_url* | string | The newsletter's web address used for find_newsletter_sponsors |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"newsletter_url"
],
"properties": {
"newsletter_url": {
"type": "string",
"maxLength": 300,
"minLength": 3,
"description": "The newsletter's web address used for find_newsletter_sponsors"
}
}
}Use this when someone asks which companies or brands sponsor newsletters, overall or in a topic such as AI, finance or marketing. Returns the brands seen in the most newsletters in the last 12 months, mostly read from published issues.
| Argument | Type | Description |
|---|---|---|
| niche | string | Newsletter topic: ai, business, finance, tech, marketing, health, culture, food, productivity, crypto, dev, design, science, education, sports, climate, media, local, legal, travel. Leave out for all newsletters. |
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {
"niche": {
"enum": [
"ai",
"business",
"finance",
"tech",
"marketing",
"health",
"culture",
"food",
"productivity",
"crypto",
"dev",
"design",
"science",
"education",
"sports",
"climate",
"media",
"local",
"legal",
"travel"
],
"type": "string",
"description": "Newsletter topic: ai, business, finance, tech, marketing, health, culture, food, productivity, crypto, dev, design, science, education, sports, climate, media, local, legal, travel. Leave out for all newsletters."
}
}
}