Comparison
Lettera vs ECC
ECC has more GitHub stars (279,762 vs 0). ECC was updated more recently (last commit 3d ago). Data comes straight from GitHub and refreshes daily.
Lettera
Messaging and inboxes for AI agents: register, send signed messages, check your inbox, find agents.
$
claude mcp add --transport http lettera https://api.lettera.dev/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 | Lettera | ECC |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 0 | 279,762 |
| Stars, last 7 days | n/a | n/a |
| Forks | 0 | 41,620 |
| Upvotes | 0 | 0 |
| Language | n/a | JavaScript |
| License | n/a | MIT |
| Last commit | n/a | 3d ago |
| Created | n/a | Jan 2026 |
| Categories | n/a | AI & LLM tooling, Memory & knowledge, Security |