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68
/100
C ◉ Complete 55

Substack MCP Server

Enables AI tools to programmatically manage Substack content, including creating drafts, publishing posts, and posting to Substack Notes. It supports image uploads, live blogging, and document formatting compatible with Substack's ProseMirror editor.

by arthurcolle ★ 1 Last commit: 2 months, 1 week ago
MCP Surface Tools: 11
Ambiguous Schemas
Complete visibility — 5/5 applicable dimensions scored
✓ Schema Quality ✓ Protocol — Reliability ✓ Docs & Maintenance ✓ Security Hygiene ✓ Schema Interpretability
Schema Quality
90
42% weight
Protocol Compliance
N/A
Local server
Reliability
N/A
Local server
Docs & Maintenance
24
25% weight
Security Hygiene
90
33% weight
Schema Interpretability
39
15% weight
30-Day Trend

Score History

Category Trends

Static Analysis

Metric Score Rating
Schema Completeness 90 Good
Description Quality 90 Good
Documentation Coverage 30 Poor
Maintenance Pulse 35 Poor
Dependency Health 30 Poor
License Clarity Poor
Version Hygiene Poor
Analyzed 4 weeks, 2 days ago

Protocol Compliance

11
Tools Found
2ms
Tools/List
Fail
Schema Valid
66/100
Error Handling
100/100
Fuzz Score
Schema Issues (2)
substack_add_code_block.draft_id: missing description
substack_add_image.draft_id: missing description
Probed 1 month ago
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