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Substack MCP Server

by conorbronsdon·io.github.conorbronsdon/substack-mcp·v1.2.1
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Substack drafts, Notes, analytics and consented subscribers. Long-form posts stay draft-only.

B83/100grade B
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Safety scan
B83/100

full report

Adoption
Established

35 stars809 downloads/wk

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Nobody has reviewed Substack MCP Server yet.

If you have run it, two minutes of your experience saves the next person an afternoon.

Substack MCP Server tools

No tool declarations could be read from the package source. They show once the server is installed.

Public scan report

scanner v0.1.5 · 2026-09-19 · same rubric, same numbers if you re-run it

no findings
  • Code scan76 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancelast push 0 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 83/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

Runs npx -y @conorbronsdon/substack-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add substack-mcp -- npx -y @conorbronsdon/substack-mcp
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Substack MCP Server: common questions

Is Substack MCP Server safe?
Mostly: it is graded B (83/100). Read the Substack MCP Server safety report
How do I install Substack MCP Server?
It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Substack MCP Server need an API key?
Yes. The registry entry asks for SUBSTACK_SESSION_TOKEN.
Is Substack MCP Server maintained?
The last commit was in the last day (2026-09-19). The latest release is v1.2.1.

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