A
licenseA
qualityC
maintenanceMCP server for Substack that lets Claude Code create drafts, upload images, set cover thumbnails, schedule, and publish posts on your Substack publication.
11
16
MIT
Substack MCP Server
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TDQS
A3.6/5.0
Scored across 34 tools
Disambiguation3/5
The tool set is broad and mostly well-differentiated, but several near-overlapping read tools could cause misselection: list_public_posts vs list_published_posts, list_subscribers vs search_subscribers, and get_public_post vs get_post. The verbose descriptions clarify the differences, but the names and related payloads leave real ambiguity.
Naming Consistency4/5
Most tools follow a snake_case verb_noun pattern (list_drafts, get_subscriber, create_note, update_draft), and get/list generally separates single-item vs collection reads. Minor deviations like plan_draft_update vs preflight_draft, create_note_with_link, and get_post_analytics vs get_publication_stats introduce some stylistic inconsistency but not major confusion.
Tool Count2/5
At 34 tools, this server is far beyond the well-scoped 3–15 range and above the threshold where the surface becomes hard to navigate. Many tools are individually justified, but the count reflects a sprawling feature set rather than a focused capability.
Completeness2/5
Read, draft, and analytics coverage is extensive, but core lifecycle operations are missing: long-form posts cannot be published, scheduled, or deleted, notes cannot be deleted, and subscribers cannot be removed or edited. These are significant gaps that will cause agent workflows to dead-end.
Maintenance
ActivityActive
ResponsivenessResponsive