Comparison
ECC vs Ms 365 21v MCP Server
ECC has more GitHub stars (281,307 vs 100). ECC was updated more recently (last commit 3d ago). Data comes straight from GitHub and refreshes daily.
ECC
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
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/plugin marketplace add https://github.com/affaan-m/ECC
Ms 365 21v MCP Server
MCP gateway for Microsoft 365 operated by 21Vianet — let AI clients use your 21V M365 mail, calendar, OneDrive & SharePoint
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git clone https://github.com/mdwsk88/ms-365-21v-mcp-server| Metric | ECC | Ms 365 21v MCP Server |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 281,307 | 100 |
| Stars, last 7 days | +1,108 | n/a |
| Forks | 41,827 | 5 |
| Upvotes | 1 | 0 |
| Language | JavaScript | TypeScript |
| License | MIT | Apache-2.0 |
| Last commit | 3d ago | 4d ago |
| Created | Jan 2026 | Aug 2026 |
| Categories | AI & LLM tooling, Memory & knowledge, Security | Memory & knowledge, Productivity, AI & LLM tooling |