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codex-gemini-bridge

codex-gemini-bridge

by theotherkim
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codex-gemini-bridge

中文说明

A lightweight, zero-dependency MCP server that connects OpenAI Codex to Gemini models via your local Antigravity CLI (agy).

Supports macOS, Linux, and Windows.

1. Prerequisites

  1. Node.js: >= 22.0.0 (node --version)

  2. Antigravity CLI (agy):

Related MCP server: codex-cli-mcp-tool

2. Quick Install & Auto-Config (Recommended)

Run the one-liner setup command for your operating system. It downloads the project to ~/.codex/mcp-servers/codex-gemini-bridge and automatically configures Codex (~/.codex/config.toml):

macOS / Linux

bash <(curl -fsSL https://raw.githubusercontent.com/theotherkim/codex-gemini-bridge/main/scripts/setup.sh)

Windows (PowerShell)

irm https://raw.githubusercontent.com/theotherkim/codex-gemini-bridge/main/scripts/setup.ps1 | iex

(If you already cloned the repo locally, simply run npm run setup inside the project directory).

3. Manual Configuration (Optional)

If you prefer to configure manually, clone the repository into your Codex MCP directory:

macOS / Linux

git clone https://github.com/theotherkim/codex-gemini-bridge.git ~/.codex/mcp-servers/codex-gemini-bridge

Add to ~/.codex/config.toml:

[mcp_servers.codex-gemini-bridge]
command = "node"
args = ["~/.codex/mcp-servers/codex-gemini-bridge/src/index.mjs"]
env_vars = ["AGY_BIN"]

(Or via Codex CLI: codex mcp add codex-gemini-bridge -- node ~/.codex/mcp-servers/codex-gemini-bridge/src/index.mjs)

Windows

git clone https://github.com/theotherkim/codex-gemini-bridge.git "$env:USERPROFILE\.codex\mcp-servers\codex-gemini-bridge"

Add to %USERPROFILE%\.codex\config.toml:

[mcp_servers.codex-gemini-bridge]
command = "node"
args = ["C:/Users/<YourUsername>/.codex/mcp-servers/codex-gemini-bridge/src/index.mjs"]
env_vars = ["AGY_BIN"]

4. Usage

Restart Codex, then ask in natural language:

  • "Ask Gemini to summarize this codebase"

  • "Use Gemini to review this pull request"

  • "List available models with gemini_models"

Available Tools

  • gemini: Send prompts to Gemini (supports prompt, model, thinking_level, store, etc.).

  • gemini_models: List all models available to your local account.

License

MIT © Kim

Available Tools

2 tools
geminiA

Send a prompt to the local Antigravity CLI and return the model text output. The default model is Gemini 3.7 Flash High. Pass store=true to receive a conversation_id that can be used with previous_interaction_id on a later call. Returns model text, interaction_id, model, usage metadata and status. Never returns credentials.

Inputs: prompt (required), model, store, timeout_ms, +3 more.

gemini_modelsA

List the models available to the local Antigravity CLI. Returns filtered model ids and display names.

Inputs: filter.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

    Deploy Server
    Claude Code, inside the Godot 4 editorFlockbay puts an AI agent in the real Godot 4 editor: it writes GDScript, runs your game and fixes what breaks. Free, or bring your own Claude Code or Codex.flockbay.comAd

    TDQS

    A3.9/5.0

    Scored across 2 tools

    Disambiguation5/5

    The two tools have clearly distinct purposes: 'gemini' sends prompts and returns text completions, while 'gemini_models' lists available models. There is no ambiguity or overlap between them.

    Naming Consistency4/5

    Both names share the 'gemini' prefix, but one is a bare noun and the other uses an underscore suffix. This is readable and predictable, though it doesn't follow a strict verb_noun pattern.

    Tool Count3/5

    With only two tools, the server feels extremely thin for a general bridge. However, the scope is limited to prompt execution and model listing, so the count is borderline acceptable.

    Completeness4/5

    The core functions of sending prompts and listing models are covered, including support for conversation history via IDs. Minor gaps exist, such as streaming or explicit model selection parameters in the main tool, but the essential workflow is usable.

    Maintenance

    ActivityStale
    ResponsivenessNo recent community issues

    Resources

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