Comparison
ECC vs Shipping Rates & Postage Calculator
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.
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/plugin marketplace add https://github.com/affaan-m/ECC
Shipping Rates & Postage Calculator
Live USPS, UPS & FedEx shipping rates plus USPS postage and stamp prices. Free, no API key.
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claude mcp add --transport http shipping-rates-postage-calcula https://onlineshippingcalculator.com/api/mcp| Metric | ECC | Shipping Rates & Postage Calculator |
|---|---|---|
| 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 | n/a |