Unverified60% confidenceFactExact time
OpenAI Codex extension supports using the @ symbol to reference files in a project and include them as context for prompts
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026
Sources
Related Claims
UnverifiedGitHub Copilot Chat and Cursor both use the @ symbol context injection mechanism similar to OpenAI Codex extension71% similarUnverifiedThe OpenAI Codex extension tutorial series covers features including adding context to prompts, adjusting AI reasoning levels, and automatically converting TODO comments into Codex tasks69% similarUnverifiedOpenAI Codex extension supports image context, allowing users to add images via button click or copy-paste directly into the chat window69% similarUnverifiedOpenAI Codex扩展在代码中的TODO注释上方会显示'Implement with Codex'选项,可一键将TODO转化为实现任务69% similarUnverifiedOpenAI为Chrome推出Codex扩展,支持测试Web应用、读取多标签页上下文67% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/50375API
curl https://kongchang.com/api/v1/knowledge/claims/50375MCP
get_claim(id=50375)