Quadruple consensus MCP server for code validation using Codex, Gemini, and Qwen
Quadruple consensus MCP server for code validation using Codex, Gemini, and Qwen
The system implements a quadruple consensus protocol where no code or plan is accepted without approval from four intelligences: the three external evaluators + Claude Code itself.
To use Tetrad, you need at least one of the AI CLIs installed and authenticated: | CLI | Installation | Auth Without API Key? | Free Tier | |-----|--------------|----------------------|-----------| | Codex CLI | npm i -g @openai/codex | ✅ ChatGPT Plus/Pro/Business | Via subscription | | Gemini CLI | `npm i -g
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Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| tetrad_review_plan | Review implementation plans before coding |
| tetrad_review_code | Review code before saving |
| tetrad_review_tests | Review tests before finalizing |
| tetrad_confirm | Confirm agreement with received feedback |
| tetrad_final_check | Final verification before commit |
| tetrad_status | Check health of evaluators |
{
"mcpServers": {
"tetrad": {
"command": "npx",
"args": ["-y", "@samoradc/tetrad"],
"env": {
"OPENAI_API_KEY": "your-value",
"GOOGLE_API_KEY": "your-value",
"DASHSCOPE_API_KEY": "your-value",
"GEMINI_API_KEY": "your-value",
"OPENAI_BASE_URL": "your-value"
}
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
To use Tetrad, you need at least one of the AI CLIs installed and authenticated: | CLI | Installation | Auth Without API Key? | Free Tier | |-----|--------------|----------------------|-----------| | Codex CLI | npm i -g @openai/codex | ✅ ChatGPT Plus/Pro/Business | Via subscription | | Gemini CLI | `npm i -g
| Variable | Description | Required |
|---|---|---|
| OPENAI_API_KEY | Credential the server authenticates with. | Yes |
| GOOGLE_API_KEY | Credential the server authenticates with. | Yes |
| DASHSCOPE_API_KEY | Credential the server authenticates with. | Yes |
| GEMINI_API_KEY | Credential the server authenticates with. | Yes |
| OPENAI_BASE_URL | Endpoint or connection string the server talks to. | Yes |
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