create_post
Create draft / publish now / schedule (+ optional tags)
How to use it
create_post is exposed by the Substack Api MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the create_post tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.
Install Substack Api MCP
$
pip install -e .Other tools in Substack Api MCP (11)
create_tag
Create tag
delete_draft
Delete draft
get_draft
Fetch draft by id
get_post_tags
List tags on a post/draft
list_tags
List publication tags
pangram_detection
Pangram AI-text / AI-slop check on a draft
publish_post
Publish existing draft
schedule_post
Schedule existing draft
set_tags
Ensure + attach tags
test_connection
Verify substack.sid and return profile
update_draft
Update draft fields