# BigBrain

> BigBrain — leonard013-bigbrain. Use this tool when you need to integrate multiple AI models, such as Codex and Gemini, into a single interface for free, enabling seamless communication between different CLIs. BigBrain, an MCP server, solves the problem of expensive and complicated AI model integration by providing a unified platform. It takes in code inputs and outputs results from the connected AI models, ideal for use cases involving git version control and multi-model interactions.

Canonical page: https://skillsregistry.net/skills/leonard013-bigbrain  
JSON: https://api.skillsregistry.net/v1/skills/leonard013-bigbrain

## Description

MCP server that lets Claude Code talk to Codex (OpenAI) and Gemini (Google) CLIs for free.

## Trust

- **Trust score (0–1):** 1.00
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** ai-ml
- **Updated:** 2026-09-20

## Source

- **Source listing:** [GitHub](https://github.com/Leonard013/BigBrain)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "leonard013-bigbrain"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/leonard013-bigbrain` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/leonard013-bigbrain/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt
