codex-mcp-server
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {} |
| logging | {} |
| prompts | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| ask-codexA | Use OpenAI Codex to analyze, review, edit, or generate code. Call this tool whenever the user mentions "codex", "use codex", or wants to leverage OpenAI models (GPT-5.4, GPT-5.3-codex, etc.) for code tasks. Supports file references with @ syntax (e.g. @src/), model selection, reasoning effort control, and structured edits via changeMode. |
| batch-codexA | Run multiple tasks through OpenAI Codex in batch. Use when the user wants Codex to handle several tasks sequentially — mass refactoring, bulk code changes, or automated transformations. |
| pingC | Echo |
| HelpC | receive help information |
| versionA | Display version and system information |
| brainstormA | Brainstorm ideas using OpenAI Codex with structured frameworks (SCAMPER, design-thinking, lateral, etc.). Use when the user wants creative ideation, brainstorming, or idea generation via Codex. |
| fetch-chunkA | Retrieves cached chunks from a changeMode response. Use this to get subsequent chunks after receiving a partial changeMode response. |
| timeout-testC | Test timeout prevention by running for a specified duration |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
| ask-codex | Execute Codex CLI with optional changeMode |
| batch-codex | Execute multiple atomic Codex tasks in batch mode for efficient automation |
| ping | Echo test message with structured response. |
| Help | receive help information |
| version | Get version information for Codex CLI and MCP server |
| brainstorm | Create structured brainstorming with chosen methodology and analysis |
| fetch-chunk | Fetch the next chunk of a response |
| timeout-test | Test the timeout prevention system by running a long operation |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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