Substack
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Read and search posts from any public Substack publication. No API key required.
5 tools your agents can use
substack_get_posts
Get recent posts from the configured Substack publication. Returns title, subtitle, date, URL, and description.
substack_search_posts
Search posts from a Substack publication by keyword. Searches title, subtitle, and description.
substack_create_draft
Create a new draft post on the user's Substack publication. Requires Substack email and password to be configured. Uses Substack's unofficial API.
substack_publish_draft
Publish an existing Substack draft. Requires the draft_id returned by substack_create_draft.
substack_list_drafts
List existing draft posts on the user's Substack publication.
Governed by default
Like every connector, Substack runs inside the ApiSpi governance layer: admins can set it to full, read-only, or approval-required access, every call is audit-logged and firewall-screened, and spend caps apply.