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npx -y @conorbronsdon/substack-mcp{
"SUBSTACK_PUBLICATION_URL": "YOUR_VALUE_HERE",
"SUBSTACK_SESSION_TOKEN": "YOUR_VALUE_HERE",
"SUBSTACK_USER_ID": "YOUR_VALUE_HERE"
}Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.
{
"mcpServers": {
"io-github-conorbronsdon-substack-mcp": {
"command": "npx",
"args": [
"-y",
"@conorbronsdon/substack-mcp"
],
"env": {
"SUBSTACK_PUBLICATION_URL": "YOUR_VALUE_HERE",
"SUBSTACK_SESSION_TOKEN": "YOUR_VALUE_HERE",
"SUBSTACK_USER_ID": "YOUR_VALUE_HERE"
}
}
}
}~/Library/Application Support/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.jsonNo remote HTTP endpoint is advertised. Use the package or stdio setup shown in Install.
Substack MCP Server is an MCP server for Substack MCP server: posts are draft-only by design; short-form Notes publish immediately.. It supports STDIO transport.
Use the generated config in Install. This server runs with npx -y @conorbronsdon/substack-mcp; add any required environment variables before starting your client.
Choose the Claude Desktop tab in Install and copy the config for npx -y @conorbronsdon/substack-mcp. Add required environment variables before starting Claude Desktop.
Choose the Claude Code tab in Install and copy the config for npx -y @conorbronsdon/substack-mcp. Add required environment variables before starting Claude Code.
Choose the Codex tab in Install and copy the config for npx -y @conorbronsdon/substack-mcp. Add required environment variables before starting Codex.
Choose the Cursor or VS Code tab in Install and copy the config for npx -y @conorbronsdon/substack-mcp. Add required environment variables before starting Cursor or VS Code.
Substack MCP Server uses STDIO transport. Use the package or command config in Install.
Substack MCP Server inventory is listed when the MCP endpoint exposes tools, resources, or prompts. Some servers require auth first.
Substack MCP Server is marked with Auth required by registry metadata auth. You may need provider login, an API key, a bearer token, or a session header.
| Package | Registry | Version | Inputs |
|---|---|---|---|
@conorbronsdon/substack-mcpstdio | npm | 0.6.2 | Env: SUBSTACK_PUBLICATION_URL required Env: SUBSTACK_SESSION_TOKEN required Env: SUBSTACK_USER_ID required |