Substack MCP
by codalanguez
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| SUBSTACK_SID | Yes | Your Substack session cookie (substack.sid) from substack.com | |
| SUBSTACK_PUB_SID | No | Your publication session cookie (connect.sid) from custom domain - optional, required only for custom domains | |
| SUBSTACK_PUB_HOST | No | Your publication host (e.g., newsletter.codalanguez.com) - optional, required only for custom domains | |
| SUBSTACK_SUBDOMAIN | Yes | Your Substack subdomain (e.g., codalanguez) |
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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MCP directory API
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