Lets Claude send queries to OpenAI models directly over MCP.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add openai --env PYTHONPATH='<PYTHONPATH>' --env OPENAI_API_KEY='<OPENAI_API_KEY>' -- python -m src.mcp_server_openai.server~/.codex/config.toml
[mcp_servers.openai]
command = "python"
args = ["-m", "src.mcp_server_openai.server"]
env = { PYTHONPATH = "<PYTHONPATH>", OPENAI_API_KEY = "<OPENAI_API_KEY>" }
# codex mcp add openai --env PYTHONPATH='<PYTHONPATH>' --env OPENAI_API_KEY='<OPENAI_API_KEY>' -- python -m src.mcp_server_openai.server~/.cursor/mcp.json
{
"mcpServers": {
"openai": {
"command": "python",
"args": [
"-m",
"src.mcp_server_openai.server"
],
"env": {
"PYTHONPATH": "<PYTHONPATH>",
"OPENAI_API_KEY": "<OPENAI_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"openai": {
"type": "stdio",
"command": "python",
"args": [
"-m",
"src.mcp_server_openai.server"
],
"env": {
"PYTHONPATH": "<PYTHONPATH>",
"OPENAI_API_KEY": "<OPENAI_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"openai": {
"command": "python",
"args": [
"-m",
"src.mcp_server_openai.server"
],
"env": {
"PYTHONPATH": "<PYTHONPATH>",
"OPENAI_API_KEY": "<OPENAI_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"openai": {
"command": "python",
"args": [
"-m",
"src.mcp_server_openai.server"
],
"env": {
"PYTHONPATH": "<PYTHONPATH>",
"OPENAI_API_KEY": "<OPENAI_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"openai": {
"command": "python",
"args": [
"-m",
"src.mcp_server_openai.server"
],
"env": {
"PYTHONPATH": "<PYTHONPATH>",
"OPENAI_API_KEY": "<OPENAI_API_KEY>"
}
}
}
}Environment variables
PYTHONPATHOPENAI_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.