substack.com agent readiness score

53/ 100
CNeeds Work

Substack provides a public documentation site and a passing llms.txt file, but lacks an OpenAPI specification and scoped-permission documentation for agents.

Rescan

Discovery

11/20

Access

14/30

Usability

23/40

Payments

N/A

Group by

Agent Journey

ran Aug 21, 2026
task

What does substack.com do and who is it for? Explain it back to me.

Claude Code Haiku 4.5

18 steps8 reasoning steps4 searches
home
docs
search
search
docs
/creators
support.home
search
/features
search

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