investigation-codex-vscode-extension

Diagnose Codex VS Code extension failures to spawn or connect to a local agent.

2|Updated Jan 30, 2026
One-click install
npx skills add https://github.com/tankygranny05/agent-box --skill investigation-codex-vscode-extension
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: investigation-codex-vscode-extension
Source: https://github.com/tankygranny05/agent-box/tree/main/agent-box/seed/codex-skills/investigation-codex-vscode-extension
Command: npx skills add https://github.com/tankygranny05/agent-box --skill investigation-codex-vscode-extension

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides a structured workflow to diagnose and resolve issues preventing the Codex VS Code extension from spawning or connecting to a local Codex agent.

Core Features & Use Cases

  • Diagnose Connection Failures: Pinpoint why the VS Code extension cannot communicate with the local Codex agent.
  • Identify Configuration Conflicts: Detect issues arising from custom CLI configurations or outdated binaries.
  • Use Case: When a developer updates the Codex VS Code extension or the CLI and subsequently encounters errors like "Cannot spawn a Codex agent," this Skill guides them through the necessary checks to identify the root cause, such as a mismatched chatgpt.cliExecutable setting.

Quick Start

Use the investigation-codex-vscode-extension skill to troubleshoot why the Codex VS Code extension is not connecting to the local agent.

Frequently Asked Questions about investigation-codex-vscode-extension

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
Why does the Codex VS Code extension fail to spawn a local agent after an update?

The Codex VS Code extension may fail to spawn a local agent after an update due to version mismatches between the extension and CLI, or incorrect custom executable configurations. This skill diagnoses these connection failures by verifying logs and argument compatibility.

How do I troubleshoot agent connection issues in the Codex VS Code extension?

To troubleshoot agent connection issues in the Codex VS Code extension, you need to verify extension logs, check CLI paths, and validate argument compatibility. This skill provides a structured workflow to pinpoint why the extension cannot communicate with the local Codex agent.

What causes a mismatched chatgpt.cliExecutable setting in VS Code?

A mismatched chatgpt.cliExecutable setting occurs when custom CLI configurations point to outdated binaries or incorrect paths. This skill identifies these configuration conflicts to ensure seamless integration between the VS Code extension and the local Codex agent.

Can I use a custom CLI executable with the Codex VS Code extension?

Yes, you can use a custom CLI executable with the Codex VS Code extension, but it may cause connection issues if not configured correctly. This skill detects problems arising from custom configurations and verifies argument compatibility to maintain seamless integration.

How do I check VS Code extension logs for Codex agent connection errors?

Checking VS Code extension logs for Codex agent connection errors involves inspecting the logs to identify version mismatches or configuration conflicts. This skill verifies extension logs and CLI paths to diagnose why the extension is failing to connect to the local agent.

What should I do if the Codex VS Code extension cannot communicate with the local agent?

If the Codex VS Code extension cannot communicate with the local agent, you should verify CLI paths, check for version mismatches, and review custom executable configurations. This skill guides you through the necessary checks to identify and resolve the root cause.