Comparison
PromptFax 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.
PromptFax
Send a one-off fax from inside ChatGPT or Claude. Pay-per-use, $2-$4.50 per delivered fax.
$
claude mcp add --transport http promptfax https://promptfax.app/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 | PromptFax | 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 |