Ce Update

#!/usr/bin/env bash
# Print the version segment of the skill's own location when it matches the
# marketplace cache layout `~/.claude/plugins/cache/<marketplace>/compound-engineering/<version>/skills/ce-update`,
# or the literal sentinel `__CE_UPDATE_NOT_MARKETPLACE__` otherwise.
#
# Derives skill_dir from BASH_SOURCE rather than $CLAUDE_SKILL_DIR because
# CLAUDE_SKILL_DIR is documented as a SKILL.md content substitution and is
# not a guaranteed environment variable for Bash tool subprocesses. The
# script is invoked as `bash "${CLAUDE_SKILL_DIR}/scripts/<name>.sh"`, so
# BASH_SOURCE[0] is the absolute script path either way and self-locating
# is reliable.

set -u

script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
skill_dir="$(dirname "$script_dir")"

# Match `.../plugins/cache/*/compound-engineering/<version>/skills/ce-update[/]?`
# Capture group 1 is the version segment.
version=$(printf '%s\n' "$skill_dir" | sed -nE 's|.*/plugins/cache/[^/]+/compound-engineering/([^/]+)/skills/ce-update/?$|\1|p')

if [ -n "$version" ]; then
  echo "$version"
else
  echo '__CE_UPDATE_NOT_MARKETPLACE__'
fi


#!/usr/bin/env bash
# Print the marketplace-name segment of the skill's own location when it
# matches the marketplace cache layout
# `~/.claude/plugins/cache/<marketplace>/compound-engineering/<version>/skills/ce-update`,
# or the literal sentinel `__CE_UPDATE_NOT_MARKETPLACE__` otherwise.
#
# Derives skill_dir from BASH_SOURCE rather than $CLAUDE_SKILL_DIR — see
# currently-loaded-version.sh for the rationale.

set -u

script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
skill_dir="$(dirname "$script_dir")"

# Capture group 1 is the marketplace segment.
marketplace=$(printf '%s\n' "$skill_dir" | sed -nE 's|.*/plugins/cache/([^/]+)/compound-engineering/[^/]+/skills/ce-update/?$|\1|p')

if [ -n "$marketplace" ]; then
  echo "$marketplace"
else
  echo '__CE_UPDATE_NOT_MARKETPLACE__'
fi


#!/usr/bin/env bash
# Print the upstream `version` field from plugins/compound-engineering/.claude-plugin/plugin.json
# on main, or the literal sentinel `__CE_UPDATE_VERSION_FAILED__` if the lookup fails.
#
# Compared to release tags, this reads the current main HEAD because the marketplace
# installs plugin contents from main HEAD; comparing against tags false-positives
# whenever main is ahead of the last tag.

set -u

version=$(gh api repos/EveryInc/compound-engineering-plugin/contents/plugins/compound-engineering/.claude-plugin/plugin.json --jq '.content | @base64d | fromjson | .version' 2>/dev/null)

if [ -n "$version" ]; then
  echo "$version"
else
  echo '__CE_UPDATE_VERSION_FAILED__'
fi


---
name: ce-update
description: |
  Check if the compound-engineering plugin is up to date and recommend the
  update command if not. Use when the user says "update compound engineering",
  "check compound engineering version", "ce update", "is compound engineering
  up to date", "update ce plugin", or reports issues that might stem from a
  stale compound-engineering plugin version. This skill only works in Claude
  Code — it relies on the plugin harness cache layout.
disable-model-invocation: true
ce_platforms: [claude]
allowed-tools: Bash(bash *upstream-version.sh), Bash(bash *currently-loaded-version.sh), Bash(bash *marketplace-name.sh)
---

# Check Plugin Version

Verify the installed compound-engineering plugin version matches the upstream
`plugin.json` on `main`, and recommend the update command if it doesn't.
Claude Code only.

The upstream version comes from `plugins/compound-engineering/.claude-plugin/plugin.json`
on `main` rather than the latest GitHub release tag, because the marketplace
installs plugin contents from `main` HEAD. Comparing against release tags
false-positives whenever `main` is ahead of the last tag (the normal state
between releases).

## Step 1: Probe versions

Run these three scripts in parallel via the Bash tool. Each prints a single
line of output; capture the values for the decision logic below. Use
`${CLAUDE_S