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Tools for autonomous AI agents

About this integration

Manage Substack publishing, subscribers, analytics, reader feeds, comments, and images through MCP.

Transport
stdio
Authentication
unknown
Initial setup
credentials
Runtime
unattended
Evidence
documented
Version
1.3.2
Package
substack-mcp
Last compatibility test
Not independently tested

Connect your agent

substack-mcp

Publisher README and manifest reviewed offline; package, endpoints, and upstream services were not executed. The session token is password-equivalent and must remain local; no credential values are included in this review.

Capabilities: Draft and post management, Subscriber export, Publication analytics, Reader feed access

Connected profiles

Additional details

Registry identifier

io.github.marcomoauro/substack-mcp

Source ↗ · Checked 2026-09-17
Published version

1.3.2

Source ↗ · Checked 2026-09-17
Metadata license

CC0-1.0; package licenses are separate

Source ↗ · Checked 2026-09-17
Package ecosystem

npm

Source ↗ · Checked 2026-09-17
Required configuration names

SUBSTACK_PUBLICATION_URL, SUBSTACK_SESSION_TOKEN, SUBSTACK_USER_ID

Source ↗ · Checked 2026-09-17
Source artifact

substack-mcp

Source ↗ · Checked 2026-09-19
Source manifest version

1.3.2

Source ↗ · Checked 2026-09-19
Unattended configuration

The npx package runs as a local MCP server and performs documented bounded polling for asynchronous exports.

Source ↗ · Checked 2026-09-19
Authentication and prerequisites

Authentication uses a browser-derived Substack session token plus publication URL and user ID; this is not a native taxonomy method.

Source ↗ · Checked 2026-09-19
Connection configuration

The MCP client spawns npx over stdio with the three required values in its environment.

Source ↗ · Checked 2026-09-19
Review scope

Publisher documentation reviewed; package and integration endpoint not executed or independently security-audited.

Source ↗ · Checked 2026-09-19