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feat: add codex provider via Responses API #349

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feat: add codex provider via Responses API #349

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35 changes: 31 additions & 4 deletions src/commands/provider.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,8 @@ function getEnvVarForProvider(provider: string): string {
return 'CLAUDE_CODE_USE_FOUNDRY'
case 'gemini':
return 'CLAUDE_CODE_USE_GEMINI'
case 'codex':
return 'CLAUDE_CODE_USE_CODEX'
case 'grok':
return 'CLAUDE_CODE_USE_GROK'
default:
Expand Down Expand Up @@ -51,6 +53,7 @@ const call: LocalCommandCall = async (args, context) => {
delete process.env.CLAUDE_CODE_USE_VERTEX
delete process.env.CLAUDE_CODE_USE_FOUNDRY
delete process.env.CLAUDE_CODE_USE_OPENAI
delete process.env.CLAUDE_CODE_USE_CODEX
delete process.env.CLAUDE_CODE_USE_GEMINI
delete process.env.CLAUDE_CODE_USE_GROK
return {
Expand All @@ -63,6 +66,7 @@ const call: LocalCommandCall = async (args, context) => {
const validProviders = [
'anthropic',
'openai',
'codex',
'gemini',
'grok',
'bedrock',
Expand Down Expand Up @@ -93,6 +97,24 @@ const call: LocalCommandCall = async (args, context) => {
}
}

if (arg === 'codex') {
const mergedEnv = getMergedEnv()
const hasKey = !!mergedEnv.CODEX_API_KEY
const hasUrl = !!mergedEnv.CODEX_BASE_URL
const hasModel = !!mergedEnv.CODEX_MODEL
if (!hasKey || !hasUrl || !hasModel) {
updateSettingsForSource('userSettings', { modelType: 'codex' })
const missing = []
if (!hasKey) missing.push('CODEX_API_KEY')
if (!hasUrl) missing.push('CODEX_BASE_URL')
if (!hasModel) missing.push('CODEX_MODEL')
return {
type: 'text',
value: `Switched to Codex provider.\nWarning: Missing env vars: ${missing.join(', ')}\nConfigure them via /login, settings.json env, or set them manually.`,
}
}
}

// Check env vars when switching to grok (including settings.env)
if (arg === 'grok') {
const mergedEnv = getMergedEnv()
Expand Down Expand Up @@ -123,19 +145,24 @@ const call: LocalCommandCall = async (args, context) => {
// Handle different provider types
// - 'anthropic', 'openai', 'gemini' are stored in settings.json (persistent)
// - 'bedrock', 'vertex', 'foundry' are env-only (do NOT touch settings.json)
if (arg === 'anthropic' || arg === 'openai' || arg === 'gemini' || arg === 'grok') {
if (arg === 'anthropic' || arg === 'openai' || arg === 'codex' || arg === 'gemini' || arg === 'grok') {
// Clear any cloud provider env vars to avoid conflicts
delete process.env.CLAUDE_CODE_USE_BEDROCK
delete process.env.CLAUDE_CODE_USE_VERTEX
delete process.env.CLAUDE_CODE_USE_FOUNDRY
delete process.env.CLAUDE_CODE_USE_OPENAI
delete process.env.CLAUDE_CODE_USE_CODEX
delete process.env.CLAUDE_CODE_USE_GEMINI
delete process.env.CLAUDE_CODE_USE_GROK
// Update settings.json
updateSettingsForSource('userSettings', { modelType: arg })
// Ensure settings.env gets applied to process.env
applyConfigEnvironmentVariables()
return { type: 'text', value: `API provider set to ${arg}.` }
const message =
arg === 'codex' && !getMergedEnv().CODEX_IMGBB_API_KEY
? `API provider set to ${arg}.\nOptional: set CODEX_IMGBB_API_KEY to enable local image uploads for image understanding.`
: `API provider set to ${arg}.`
return { type: 'text', value: message }
} else {
// Cloud providers: set env vars only, do NOT touch settings.json
delete process.env.CLAUDE_CODE_USE_OPENAI
Expand All @@ -157,9 +184,9 @@ const provider = {
type: 'local',
name: 'provider',
description:
'Switch API provider (anthropic/openai/gemini/grok/bedrock/vertex/foundry)',
'Switch API provider (anthropic/openai/codex/gemini/grok/bedrock/vertex/foundry)',
aliases: ['api'],
argumentHint: '[anthropic|openai|gemini|grok|bedrock|vertex|foundry|unset]',
argumentHint: '[anthropic|openai|codex|gemini|grok|bedrock|vertex|foundry|unset]',
supportsNonInteractive: true,
load: () => Promise.resolve({ call }),
} satisfies Command
Expand Down
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