---
title: Skillselion
canonical: https://skillselion.com/brief/codex/codex-cli-v0-139-0-adds-web-search-in-code-mode-app-26-609-ships-developer-mode
content_type: text/markdown
---

# Skillselion

This URL is a Skillselion HTML page. Request it without `Accept: text/markdown` for the full document, or use the maps below.

Canonical: https://skillselion.com/brief/codex/codex-cli-v0-139-0-adds-web-search-in-code-mode-app-26-609-ships-developer-mode

## Machine access

- [Sitemap](https://skillselion.com/sitemap.xml)
- [llms.txt](https://skillselion.com/llms.txt)
- [llms-full.txt](https://skillselion.com/llms-full.txt)
- [Developer resources](https://skillselion.com/developers)
- [OpenAPI spec](https://skillselion.com/openapi.json)
- [MCP handshake](https://skillselion.com/.well-known/mcp)
- [API catalog](https://skillselion.com/.well-known/api-catalog)
- [AI catalog](https://skillselion.com/.well-known/ai-catalog.json)
- [Pricing](https://skillselion.com/pricing.md)
- [Auth](https://skillselion.com/auth.md)
- [AGENTS.md](https://skillselion.com/AGENTS.md)
- [Contact](https://skillselion.com/contact)
- [Home](https://skillselion.com/)