← Coding agent add-ons

ECC

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

AgentPick Score 96/100#1 in Coding agent add-ons★ 279k GitHub starsMITUpdated 12 Oct 2026JavaScript

Ranked by AgentPick Score, our data score from public GitHub activity. Description is the project's own.

Topics: ai-agents, anthropic, claude, claude-code, developer-tools, llm, mcp, productivity

Starter prompt

Try ECC on one small, low-risk task: [task]. Tell me what worked, what didn't, and how long it took.
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