Substack MCP Server and API by Cotlet for LangChain
dev.cotlet/substack
Substack writer newsletter publishing MCP server: create post, schedule post, publish Note.
client:LangChain
transport:streamable-http
runtime:pypi
Install Substack MCP Server and API by Cotlet in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"substack": {
"transport": "streamable_http",
"url": "https://cotlet.dev/mcp/v1/substack/connect",
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs