Comparison
Mermaid MCP vs ECC
ECC has more GitHub stars (280,740 vs 0). ECC was updated more recently (last commit 15h ago). Data comes straight from GitHub and refreshes daily.
Mermaid MCP
MCP server for Mermaid diagram validation and rendering
$
claude mcp add --transport http mermaid-mcp https://mcp.mermaidchart.com/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 | Mermaid MCP | ECC |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 0 | 280,740 |
| Stars, last 7 days | n/a | +541 |
| Forks | 0 | 41,744 |
| Upvotes | 0 | 0 |
| Language | n/a | JavaScript |
| License | n/a | MIT |
| Last commit | n/a | 15h ago |
| Created | n/a | Jan 2026 |
| Categories | n/a | AI & LLM tooling, Memory & knowledge, Security |