PluginSoftware development

ECC

Add modular agents, skills, rules, memory, and security hooks to coding assistants.

Stars
228,177
Forks
34,995
License
MIT
Updated
Updated Jul 10, 2026

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Project overview

ECC provides a modular environment of specialized subagents, development skills, rules, commands, session state, and security hooks for planning, testing, review, debugging, and reusable knowledge. It is primarily distributed as a Claude Code plugin, with adapters and configuration for Codex, OpenCode, Cursor, and other assistants. Its selective installer lets advanced users add only the components needed for their workflow rather than adopting the entire collection.

Repository facts

Primary language
JavaScript
License
MIT
Repository updated
Jul 10, 2026
Default branch
main

Resource types

PluginAgent harness

Use cases

Software developmentSecurity and privacyTesting and debugging

Platforms

Claude CodeCursorGemini CLIGitHub CopilotCodexOpenCode

Runtime

Command lineLocal

Capabilities

DelegationMemoryPlanning

Audience

Developers

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