Substack API MCP
by alxgntv
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| SUBSTACK_SID | Yes | Your substack.sid cookie value | |
| SUBSTACK_USER_ID | No | Optional Substack user ID | |
| APISUBSTACK_API_KEY | Yes | Your API Substack key (ask_*) from apisubstack.com | |
| SUBSTACK_PUBLICATION_URL | Yes | Your Substack publication URL, e.g. https://yourname.substack.com |
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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