Comparison
ECC vs PromptGuard
ECC has more GitHub stars (281,307 vs 0). ECC was updated more recently (last commit 2d 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
PromptGuard
Scan prompts for injection attacks, redact PII, and audit LLM SDK usage from any MCP client
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npx -y @promptguard/mcp-server| Metric | ECC | PromptGuard |
|---|---|---|
| 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 | 2d ago | n/a |
| Created | Jan 2026 | n/a |
| Categories | AI & LLM tooling, Memory & knowledge, Security | Security, AI & LLM tooling, Frameworks & SDKs |