ECC for Gemini CLI

This file provides Gemini CLI with the baseline ECC workflow, review standards, and security checks for repositories that install the Gemini target.

Overview

ECC is a cross-harness coding system with 71 specialized agents, 303 skills, and 97 commands.

Gemini support is currently focused on a strong project-local instruction layer via .gemini/GEMINI.md, plus the shared MCP catalog and package-manager setup assets shipped by the installer.

Core Workflow

Plan before editing large features.
Prefer test-first changes for bug fixes and new functionality.
Review for security before shipping.
Keep changes self-contained, readable, and easy to revert.

Coding Standards

Prefer immutable updates over in-place mutation.
Keep functions small and files focused.
Validate user input at boundaries.
Never hardcode secrets.
Fail loudly with clear error messages instead of silently swallowing problems.

Security Checklist

Before any commit:

No hardcoded API keys, passwords, or tokens
All external input validated
Parameterized queries for database writes
Sanitized HTML output where applicable
Authz/authn checked for sensitive paths
Error messages scrubbed of sensitive internals

Delivery Standards

Use conventional commits: feat, fix, refactor, docs, test, chore, perf, ci
Run targeted verification for touched areas before shipping
Prefer contained local implementations over adding new third-party runtime dependencies

ECC Areas To Reuse

AGENTS.md for repo-wide operating rules
skills/ for deep workflow guidance
commands/ for slash-command patterns worth adapting into prompts/macros
mcp-configs/ for shared connector baselines

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