Agent skill · software engineering · sundial-org
codexmonitor
List/inspect/watch local OpenAI Codex sessions (CLI + VS Code) using the CodexMonitor Homebrew formula.
Why this skill is useful
Adds specific commands and workflows for managing OpenAI Codex sessions that the AI wouldn't reliably generate on its own.
What it needs
Requires codexmonitor installed locally. About 1k tokens when loaded. Last updated 2026-03-07. 639 stars on the source repository.
What this skill does
codexmonitor Use codexmonitor to browse local OpenAI Codex sessions stored in ~/.codex/sessions. Requirements macOS Codex installed and producing sessions (CLI and/or VS Code extension) Install (Homebrew) Common commands List sessions (day): codexmonitor list 2026/01/08 List sessions (day, JSON): codexmonitor list --json 2026/01/08 Show a session: codexmonitor show <session-id> Show with ranges: codexmonitor show <session-id> --ranges 1...3,26...28 Show JSON: codexmonitor show <session-id> --json Watch all: codexmonitor watch Watch specific: codexmonitor watch --session <session-id> Notes codexmonitor reads sessions from ~/.codex/sessions/YYYY/MM/DD/. Sessions can be resumed/appended by id via Codex: codex exec resume <SESSIONID> "message".
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills sundial-org/codexmonitor