Postscript shopify SMS marketing MCP server: create segment, create campaign draft.
Streamable HTTP
https://cotlet.dev/mcp/v1/postscript/connectclaude mcp add --transport http postscript https://cotlet.dev/mcp/v1/postscript/connectStreamable HTTP
https://cotlet.dev/mcp/v1/postscriptclaude mcp add --transport http postscript https://cotlet.dev/mcp/v1/postscriptThis server publishes no installable package.