Comparison
best of Agent Harnesses vs ECC
ECC has more GitHub stars (281,307 vs 1,262). ECC was updated more recently (last commit 1d ago). Data comes straight from GitHub and refreshes daily.
best of Agent Harnesses
Ranked list of 167 AI agent harnesses, plus templates, playbooks, MCP, and learning resources. Rescored weekly.
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claude mcp add agent-harnesses -- uvx agent-harnesses-mcp
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| Metric | best of Agent Harnesses | ECC |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 1,262 | 281,307 |
| Stars, last 7 days | +39 | +1,108 |
| Forks | 82 | 41,827 |
| Upvotes | 0 | 1 |
| Language | Python | JavaScript |
| License | CC-BY-SA-4.0 | MIT |
| Last commit | 5d ago | 1d ago |
| Created | Mar 2026 | Jan 2026 |
| Categories | AI & LLM tooling, Memory & knowledge, Frameworks & SDKs | AI & LLM tooling, Memory & knowledge, Security |