How do I connect Substack MCP Server to Claude?

Run `claude mcp add conorbronsdon-substack-mcp -- npx -y --package @conorbronsdon/substack-mcp substack-mcp-login https://yourblog.substack.com` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.

Is Substack MCP Server free?

The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.

What can Substack MCP Server do?

Substack MCP Server documents 14 tools to the agent, including create_draft, create_note, create_note_with_link. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

Substack MCP

Unclaimed

by conorbronsdon

MCP server for Substack — read publication data, manage drafts. Posts are draft-only by design; only short-form Notes publish. Proportionate review as trust infrastructure for agents.

Set up this server

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01 / Choose your client

02 / Before you connect

Authentication is not specified. Check the project instructions before connecting.

Install the runtime required by the project and make it available to your client.

Project instructionsEnvironment variable names (optional)

Use names from the project instructions, separated by commas. Enter names only, never secret values.

03 / Add the configuration

Source: generated from public install instructions

claude mcp add --transport stdio 'conorbronsdon-substack-mcp' -- 'npx' '-y' '--package' '@conorbronsdon/substack-mcp' 'substack-mcp-login' 'https://yourblog.substack.com'

Run in your terminal after replacing any placeholders.

04 / Check it in your client

Open your client’s MCP settings and confirm the server connects and lists its tools. A copied configuration does not confirm a working connection.

claude-codecontent-creationdeveloper-toolsmcpmcp-serversubstackai-agentsclaudemodel-context-protocoltypescript

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This listing was auto-indexed from the public record. Claim it to edit the page, set compatibility and unlock growth tools. Takes under two minutes.

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Security profile

Claimed and verified servers get a weekly static scan that shows what the code can reach: external services, environment variables, shell commands, agent configuration folders, plus any dependencies with known advisories. Claim this listing to get one. How the security profile works

14 of 14 tools

Documented tools (14)

From project documentation. A server handshake does not verify each tool’s description or behavior.

create_draft

Create a new draft from markdown (private)

create_note

Publish a Substack Note (short-form, publishes immediately)

create_note_with_link

Publish a Note with a link card attachment (publishes immediately)

get_draft

Get full content of a draft by ID

get_post

Get full content of a published post by ID

get_post_analytics

Get a published post's stats (views, opens, signups, subscribes, reactions) by ID

get_post_comments

Get comments on a published post

get_sections

List your publication's sections (categories) with their IDs

get_subscriber_count

Get your publication's current subscriber count

list_drafts

List draft posts

list_published_posts

List published posts with pagination

list_scheduled_posts

List posts scheduled for future publication (read-only; scheduling stays in Substack's editor)

update_draft

Update an existing draft (unpublished only; private)

upload_image

Upload an image to Substack's CDN — returns a publicly-fetchable (unlisted) URL

Tool change history

Compared across complete checks of the same configuration. Tools were listed, not invoked. Input-schema changes are not measured here.

No complete tool checks yet.

FAQ

Questions about Substack MCP Server

How do I connect Substack MCP Server to Claude?: Run `claude mcp add conorbronsdon-substack-mcp -- npx -y --package @conorbronsdon/substack-mcp substack-mcp-login https://yourblog.substack.com` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.
Is Substack MCP Server free?: The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
What can Substack MCP Server do?: Substack MCP Server documents 14 tools to the agent, including create_draft, create_note, create_note_with_link. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.