The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Market Signal
Why It Has Market Pull
One of the most talked-about AI coding-agent enhancement kits of 2026, ECC has grown to over 245,000 GitHub stars in under eight months and now ships a hosted Pro tier and GitHub App used by real teams. Coverage from major tech outlets plus vigorous (sometimes polarized) community debate confirms this is a genuinely significant project worth watching closely.
- 245,137 GitHub stars and 37,038 forks currently, up from roughly 82,000 stars reported mid-2026 — sustained, rapid growth.
- 122 open issues plus a steady stream of large community pull requests, including one PR thread with 99 comments.
- Covered by The Hacker News for its new security/compliance features and by Tech Times after crossing 228,000 stars.
- Paid ECC Pro tier ($19/seat/month for private repos), two published npm packages, and an official GitHub App with an install counter — real monetization infrastructure.
- Reddit's r/ClaudeCode community (4,200+ weekly contributors) actively debates the project both for and against.
feedbacks
What People Are Saying
"The 82K-star agent harness that's dividing the developer community."Medium article
"Agent Harness ECC Tops 228K Stars: Free Tool Turns Claude Code Into a Full Dev Team."Tech Times
"Plugin install fails with `plugins.0.source: Invalid input`."GitHub issue
"A single maintainer ships weekly across 7 harnesses — that's what sponsors and Pro subscribers are funding."project README
"Proposal for a full agent orchestrator (2-20 teammates) drew 54 comments before being closed."GitHub issue
"Third-party re-uploads and unofficial mirrors are not reviewed by the project and may contain malware — install only from verified channels."project README warning
"Securing Claude Code: the new compliance API, local visibility, and identity governance."The Hacker News



















