Comparison
Substack MCP vs ECC
ECC has more GitHub stars (280,199 vs 83). ECC was updated more recently (last commit 7h ago). Data comes straight from GitHub and refreshes daily.
Substack MCP
A Model Context Protocol (MCP) Server for Substack enabling LLM clients to interact with Substack's API for automations like creating posts, managing drafts, and more.
$
git clone https://github.com/marcomoauro/substack-mcp
ECC
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
$
/plugin marketplace add https://github.com/affaan-m/ECC| Metric | Substack MCP | ECC |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 83 | 280,199 |
| Stars, last 7 days | n/a | n/a |
| Forks | 16 | 41,674 |
| Upvotes | 0 | 0 |
| Language | JavaScript | JavaScript |
| License | MIT | MIT |
| Last commit | 1mo ago | 7h ago |
| Created | May 2025 | Jan 2026 |
| Categories | AI & LLM tooling, Memory & knowledge | AI & LLM tooling, Memory & knowledge, Security |