MCP Server
MCP
substack-ops
By Substack CLI + 26-tool MCP server. Your IDE drafts replies via propose_reply. No API keys.
Install
uvx substack-opsConfiguration Example
{
"remotes": [],
"packages": [
{
"registryType": "pypi",
"registryBaseUrl": "https://pypi.org",
"identifier": "substack-ops",
"version": "0.3.5",
"runtimeHint": "uvx",
"transport": {
"type": "stdio"
},
"packageArguments": [
{
"value": "mcp",
"type": "positional"
},
{
"value": "serve",
"type": "positional"
}
],
"environmentVariables": [
{
"description": "Your Substack publication URL (e.g. https://you.substack.com/). Optional if set in ~/.cursor/mcp.json's mcpServers.substack-api.env.",
"name": "SUBSTACK_PUBLICATION_URL"
},
{
"description": "Your Substack numeric user id. Optional if set in ~/.cursor/mcp.json.",
"name": "SUBSTACK_USER_ID"
},
{
"description": "Your Substack session cookie value (the s%3A... string). Required for authenticated calls. Easier path: run `substack-ops auth login --browser chrome` and the cookie is auto-grabbed.",
"isSecret": true,
"name": "SUBSTACK_SESSION_TOKEN"
},
{
"description": "Override path to the mcp.json file the auth layer reads. Defaults to ~/.cursor/mcp.json.",
"name": "SUBSTACK_OPS_MCP_PATH"
},
{
"description": "Optional: override the host CLI used by the unattended daemon path (default: auto-detect claude / cursor-agent / codex on PATH). Use {prompt} placeholder if your CLI takes the prompt as an arg.",
"name": "SUBSTACK_OPS_LLM_CMD"
}
]
}
]
}
mcp
model-context-protocol
pypi
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