Comparison
ECC vs Sickle — every mailbox for your agent
ECC has more GitHub stars (281,307 vs 0). ECC was updated more recently (last commit 4d 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.
$
/plugin marketplace add https://github.com/affaan-m/ECC
Sickle — every mailbox for your agent
Gmail, Outlook, iCloud, Fastmail and any IMAP mailbox for your agent. Scoped OAuth, no send tool.
$
claude mcp add --transport http sickle-every-mailbox-for-your- https://mcp.sickle.app| Metric | ECC | Sickle — every mailbox for your agent |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 281,307 | 0 |
| Stars, last 7 days | +1,108 | n/a |
| Forks | 41,827 | 0 |
| Upvotes | 1 | 0 |
| Language | JavaScript | n/a |
| License | MIT | n/a |
| Last commit | 4d ago | n/a |
| Created | Jan 2026 | n/a |
| Categories | AI & LLM tooling, Memory & knowledge, Security | Productivity, Security, AI & LLM tooling |