substack-mcp
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| substack_sync_statusA | Check the dedicated Substack browser profile path and current login status. |
| substack_loginB | Open a dedicated local browser profile and wait for the user to log into Substack. |
| substack_config_showB | Show local mcp-substack configuration. |
| substack_config_set_priority_publicationsB | Set publication URLs that should be synced first or exclusively for daily summaries. |
| substack_config_set_defaultsC | Set default sync window and per-publication post limit. |
| substack_discover_subscriptionsB | Use the authenticated dedicated browser profile to discover subscribed publications. |
| substack_list_recent_postsB | List recent posts for a publication URL. This is the spike path before cache-backed sync. |
| substack_sync_recentC | Discover subscriptions, sync recent posts, fetch bodies, and save them in the local cache. |
| substack_list_postsB | List cached posts, optionally filtered to unsummarized posts and a date range. |
| substack_get_cached_postC | Return one cached post with markdown content. |
| substack_get_post_chunksC | Return bounded markdown chunks for one cached post. |
| substack_mark_summarizedC | Mark cached posts as included in a daily summary. |
| substack_get_postB | Fetch one Substack post through the authenticated browser profile and return markdown. |
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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