Reletter
Reletter is the newsletter data API for apps, agents, and outreach tools. Search 7M+ Substack, LinkedIn, Ghost, Beehiiv…
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Open / InstallLast updated October 6, 2026
Description
Reletter is the newsletter data API for apps, agents, and outreach tools. Search 7M+ Substack, LinkedIn, Ghost, Beehiiv, and Kit newsletters; retrieve subscriber numbers, contacts, full-text posts, rankings, and audience data; and monitor mentions in near real time. Use it via REST, Python/CLI, or the remote MCP server. Agents can buy request bundles programmatically through HTTP 402 using MPP, with no browser signup required.
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Author
james-ytpu
Platform
mcp
Pricing model
free
Categories
- mcp
Tags
- mcp
- smithery
Capabilities
- Local MCP server
Information
TypeMCP Server
SourceSmithery
AddedOctober 6, 2026