Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| CODEX_HOME | No | The directory path for codex-minimal configuration, used by the mcp-openai server. |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| openai_chat | Send a prompt to OpenAI via Codex exec. Non-interactive, fast startup (no MCP servers loaded), with timeout. Returns clear error on quota limits. For code review, use openai_review instead. |
| openai_review | Code review via Codex review (non-interactive). Reviews uncommitted changes or changes against a base branch. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |