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ECC

Agent Framework

#4

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

ECC is an open-source agent framework AI agent maintained by affaan-m. It ranks #4 on The Agentic Leaderboard with an overall score of 87.0 / 100, scoring 100% on reliability and 71.2% on tool selection quality. The project has 252,438 GitHub stars.

Rank
#4
Score
87.0
Category
Agent Framework
Developer
affaan-m
Reliability
100%
Tool Selection
71.2%
Avg Steps
25
Cost / Task
$0.05
Latency
500ms
GitHub Stars
252.4k
Mindshare
97.1
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Agentic Leaderboard rank #4
[![Agentic Leaderboard](https://www.theagenticleaderboard.com/badges/ecc.svg)](https://www.theagenticleaderboard.com/agent/ecc)

Rank history

— steady

17 weeks on the board since May 20 · best rank #1

#1#10Mar 11Sep 7

Compared to other Agent Framework agents