oh-my-githubcopilot: Skill for Claude Code

.github/skills/ccg/SKILL.md

ccg is a skill for Claude Code from jmstar85/oh-my-githubcopilot. It costs 48 tokens per session (615 once invoked), scanned A, a copy of ccg, MIT.

A workflow that sends a task to Claude, Codex, and Gemini for separate perspectives, then combines their responses into one answer. It is a form of multi-model review.

In plain words
What is it for?
Use it for multi-perspective code reviews, tasks combining backend and interface work, alternative analysis, and situations where you want several AI opinions reconciled.
Why use it?
It helps compare viewpoints and cross-check conclusions when a task has competing design, implementation, or usability concerns. If one command-line tool is unavailable, it can continue with the provider that works.

Skill for Claude Code

Written for Claude Code: argument-hint in frontmatter. Also seen: mentions Codex; mentions Gemini CLI.

This is jmstar85/oh-my-githubcopilot's own configuration. It tells Claude Code how to work on oh-my-githubcopilot itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything oh-my-githubcopilot configures →

Reuse

Borrowing it

Nothing to install: this file belongs to jmstar85/oh-my-githubcopilot. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/jmstar85/oh-my-githubcopilot/main/.github/skills/ccg/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/jmstar85/oh-my-githubcopilot

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for ccg

README.md
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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for ccg

Your own site · 80×15
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Per session 48 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 615 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00048 $0.00615
Opus 5.5 $0.00019 $0.00246
Sonnet 5.5 $0.00010 $0.00123
Haiku 4.5 $0.00005 $0.00061

Measured 2mo ago against content hash 6439319f98d5, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ccg scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to ccg — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.github/skills/ccg/SKILL.md · 101 lines

How it starts

The opening of the file, as written. The whole thing — 101 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CCG - Claude-Codex-Gemini Tri-Model Orchestration

Route a task through three AI models in parallel, then synthesize their outputs into one unified answer.

When to Use

  • Backend/analysis + frontend/UI work in one request
  • Code review from multiple perspectives
  • Cross-validation where models may disagree
  • Fast parallel input without full team orchestration

When NOT to Use

  • Simple, straightforward tasks → execute directly
  • Already clear on approach → use /omg-autopilot
  • Need coordinated multi-agent work → use /team

Requirements

  • Codex CLI: npm install -g @openai/codex
  • Gemini CLI: npm install -g @google/gemini-cli
  • If either CLI is unavailable, continue with whichever provider works

Execution Protocol

1. Decompose Request

Split the user request into:

  • Codex prompt: architecture, correctness, backend, risks, test strategy
  • Gemini prompt: UX/content clarity, alternatives, edge-case usability, docs polish
  • Synthesis plan: how to reconcile conflicts

2. Invoke Advisors

Run both advisors via CLI in parallel:

# Run in terminal
codex "<codex prompt>"
gemini "<gemini prompt>"

Or via VS Code's selectChatModels() API if available:

Promise.all([
  model_openai.sendRequest(codex_prompt),
  model_google.sendRequest(gemini_prompt)
])

3. Collect Results

Gather outputs from both advisors.

4. Synthesize

Return one unified answer with:

  • Agreed recommendations
  • Conflicting recommendations (explicitly called out)
  • Chosen final direction + rationale
  • Action checklist

Fallbacks

Scenario Action
One provider unavailable Continue with available + Claude synthesis
Both unavailable Fall back to Claude-only answer

Example

/ccg Review this PR - architecture/security via Codex and UX/readability via Gemini

Output:

=== CCG Synthesis ===

## Agreed
- Authentication middleware needs rate limiting
- Error messages should be more user-friendly

## Conflicting
- Codex: Use middleware pattern for validation
- Gemini: Use inline validation for simplicity
→ Chosen: Middleware pattern (consistency with existing codebase)

## Action Checklist
- [ ] Add rate limiting middleware
- [ ] Improve error messages in auth flow
- [ ] Extract validation to middleware layer

Read the full file on GitHub · 101 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 101 lines · 48 tokens per session scan A 6439319f98d5

Subscribe to this mod's changes

ccg is a skill published in the GitHub repository jmstar85/oh-my-githubcopilot (162 stars, last pushed 5mo ago), licensed MIT. It adds 48 tokens to every session and 615 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 100% identical to ccg, differing in 0 lines, and is treated as a copy.

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