feat: include HttpsProxyAgent on all OpenAI instances

codex-cli/src/components/chat/terminal-chat.tsx

@@ -13,7 +13,12 @@ import { useTerminalSize } from "../../hooks/use-terminal-size.js";
 import { AgentLoop } from "../../utils/agent/agent-loop.js";
 import { ReviewDecision } from "../../utils/agent/review.js";
 import { generateCompactSummary } from "../../utils/compact-summary.js";
-import { getBaseUrl, getApiKey, saveConfig } from "../../utils/config.js";
+import {
+  getBaseUrl,
+  getApiKey,
+  saveConfig,
+  PROXY_URL,
+} from "../../utils/config.js";
 import { extractAppliedPatches as _extractAppliedPatches } from "../../utils/extract-applied-patches.js";
 import { getGitDiff } from "../../utils/get-diff.js";
 import { createInputItem } from "../../utils/input-utils.js";
@@ -32,6 +37,7 @@ import HelpOverlay from "../help-overlay.js";
 import HistoryOverlay from "../history-overlay.js";
 import ModelOverlay from "../model-overlay.js";
 import chalk from "chalk";
+import { HttpsProxyAgent } from "https-proxy-agent";
 import { Box, Text } from "ink";
 import { spawn } from "node:child_process";
 import OpenAI from "openai";
@@ -56,7 +62,7 @@ type Props = {
 };
 
 const colorsByPolicy: Record<ApprovalPolicy, ColorName | undefined> = {
-  "suggest": undefined,
+  suggest: undefined,
   "auto-edit": "greenBright",
   "full-auto": "green",
 };
@@ -81,6 +87,7 @@ async function generateCommandExplanation(
     const oai = new OpenAI({
       apiKey: getApiKey(config.provider),
       baseURL: getBaseUrl(config.provider),
+      httpAgent: PROXY_URL ? new HttpsProxyAgent(PROXY_URL) : undefined,
     });
 
     // Format the command for display

codex-cli/src/components/singlepass-cli-app.tsx

@@ -11,6 +11,7 @@ import {
   OPENAI_PROJECT,
   getBaseUrl,
   getApiKey,
+  PROXY_URL,
 } from "../utils/config";
 import {
   generateDiffSummary,
@@ -25,6 +26,7 @@ import {
 import { EditedFilesSchema } from "../utils/singlepass/file_ops";
 import * as fsSync from "fs";
 import * as fsPromises from "fs/promises";
+import { HttpsProxyAgent } from "https-proxy-agent";
 import { Box, Text, useApp, useInput } from "ink";
 import OpenAI from "openai";
 import { zodResponseFormat } from "openai/helpers/zod";
@@ -412,6 +414,7 @@ export function SinglePassApp({
         baseURL: getBaseUrl(config.provider),
         timeout: OPENAI_TIMEOUT_MS,
         defaultHeaders: headers,
+        httpAgent: PROXY_URL ? new HttpsProxyAgent(PROXY_URL) : undefined,
       });
       const chatResp = await openai.beta.chat.completions.parse({
         model: config.model,

codex-cli/src/utils/agent/agent-loop.ts

@@ -17,6 +17,7 @@ import {
   OPENAI_PROJECT,
   getApiKey,
   getBaseUrl,
+  PROXY_URL,
 } from "../config.js";
 import { log } from "../logger/log.js";
 import { parseToolCallArguments } from "../parsers.js";
@@ -39,9 +40,6 @@ const RATE_LIMIT_RETRY_WAIT_MS = parseInt(
   10,
 );
 
-// See https://github.com/openai/openai-node/tree/v4?tab=readme-ov-file#configuring-an-https-agent-eg-for-proxies
-const PROXY_URL = process.env["HTTPS_PROXY"];
-
 export type CommandConfirmation = {
   review: ReviewDecision;
   applyPatch?: ApplyPatchCommand | undefined;

codex-cli/src/utils/compact-summary.ts

@@ -1,7 +1,8 @@
 import type { AppConfig } from "./config.js";
 import type { ResponseItem } from "openai/resources/responses/responses.mjs";
 
-import { getBaseUrl, getApiKey } from "./config.js";
+import { getBaseUrl, getApiKey, PROXY_URL } from "./config.js";
+import { HttpsProxyAgent } from "https-proxy-agent";
 import OpenAI from "openai";
 /**
  * Generate a condensed summary of the conversation items.
@@ -26,6 +27,7 @@ export async function generateCompactSummary(
   const oai = new OpenAI({
     apiKey: getApiKey(config.provider),
     baseURL: getBaseUrl(config.provider),
+    httpAgent: PROXY_URL ? new HttpsProxyAgent(PROXY_URL) : undefined,
   });
 
   const conversationText = items

codex-cli/src/utils/config.ts

@@ -62,6 +62,14 @@ export const CONFIG_YML_FILEPATH = join(CONFIG_DIR, "config.yml");
 // work unchanged.
 export const CONFIG_FILEPATH = CONFIG_JSON_FILEPATH;
 export const INSTRUCTIONS_FILEPATH = join(CONFIG_DIR, "instructions.md");
+export const PROXY_URL =
+  process.env["https_proxy"] ||
+  process.env["http_proxy"] ||
+  process.env["proxy"] ||
+  process.env["HTTPS_PROXY"] ||
+  process.env["HTTP_PROXY"] ||
+  process.env["PROXY"] ||
+  undefined;
 
 export const OPENAI_TIMEOUT_MS =
   parseInt(process.env["OPENAI_TIMEOUT_MS"] || "0", 10) || undefined;

codex-cli/src/utils/model-info.ts

@@ -11,7 +11,7 @@ export const openAiModelInfo = {
     label: "o1 Pro (2025-03-19)",
     maxContextLength: 200000,
   },
-  "o3": {
+  o3: {
     label: "o3",
     maxContextLength: 200000,
   },
@@ -135,7 +135,7 @@ export const openAiModelInfo = {
     label: "GPT-4 (0613)",
     maxContextLength: 8192,
   },
-  "o1": {
+  o1: {
     label: "o1",
     maxContextLength: 128000,
   },

codex-cli/src/utils/model-utils.ts

@@ -6,8 +6,10 @@ import {
   OPENAI_PROJECT,
   getBaseUrl,
   getApiKey,
+  PROXY_URL,
 } from "./config";
 import { type SupportedModelId, openAiModelInfo } from "./model-info.js";
+import { HttpsProxyAgent } from "https-proxy-agent";
 import OpenAI from "openai";
 
 const MODEL_LIST_TIMEOUT_MS = 2_000; // 2 seconds
@@ -39,6 +41,7 @@ async function fetchModels(provider: string): Promise<Array<string>> {
       apiKey: getApiKey(provider),
       baseURL: getBaseUrl(provider),
       defaultHeaders: headers,
+      httpAgent: PROXY_URL ? new HttpsProxyAgent(PROXY_URL) : undefined,
     });
     const list = await openai.models.list();
     const models: Array<string> = [];

codex-cli/src/utils/responses.ts

@@ -256,7 +256,7 @@ function convertTools(
       function: {
         name: tool.name,
         description: tool.description || undefined,
-        parameters: tool.parameters,
+        parameters: tool.parameters ?? undefined,
       },
     }));
 }