Codex fails to load a valid `SKILL.md` when front matter `description` exceeds 1024 characters.
Resolved 💬 2 comments Opened Mar 8, 2026 by rainbow-stone Closed Mar 8, 2026
What version of Codex CLI is running?
0.111.0
What subscription do you have?
Plus
Which model were you using?
gpt-5.3-codex
What platform is your computer?
Windows
What terminal emulator and version are you using (if applicable)?
Powershell
What issue are you seeing?
invalid description: exceeds maximum length of 1024 characters
What steps can reproduce the bug?
- Create/update a skill with valid YAML front matter:
``yaml``
---
name: test-skill
description: "<a string longer than 1024 characters>"
---
- Start/reload Codex skill loading.
- Observe load result.
What is the expected behavior?
_No response_
Additional information
_No response_
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