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kyverno-version-lookup

@plinde/claude-plugins
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This skill should be used when looking up Kyverno Helm chart versions, release dates, and corresponding app versions from Artifact Hub. Use for version planning, upgrade decisions, and release timeline analysis.

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SKILL.md

name kyverno-version-lookup
description This skill should be used when looking up Kyverno Helm chart versions, release dates, and corresponding app versions from Artifact Hub. Use for version planning, upgrade decisions, and release timeline analysis.

Kyverno Version Lookup

Query Kyverno Helm chart release information from Artifact Hub.

API Endpoint

https://artifacthub.io/api/v1/packages/helm/kyverno/kyverno

Quick Lookup

# Get all stable releases (no RCs) with dates
~/.claude/skills/kyverno-version-lookup/scripts/kyverno-versions.sh

# Get JSON for programmatic use
~/.claude/skills/kyverno-version-lookup/scripts/kyverno-versions.sh --json

# Get latest N releases
~/.claude/skills/kyverno-version-lookup/scripts/kyverno-versions.sh --limit 10

Manual API Query

# Fetch raw data
curl -s "https://artifacthub.io/api/v1/packages/helm/kyverno/kyverno" | jq '.available_versions'

# Filter stable releases only (no rc/beta/alpha)
curl -s "https://artifacthub.io/api/v1/packages/helm/kyverno/kyverno" | \
  jq '[.available_versions[] | select(.version | test("^[0-9]+\\.[0-9]+\\.[0-9]+$"))]'

# Pretty table with dates
curl -s "https://artifacthub.io/api/v1/packages/helm/kyverno/kyverno" | \
  jq -r '[.available_versions[] | select(.version | test("^[0-9]+\\.[0-9]+\\.[0-9]+$"))] |
         sort_by(.ts) | reverse |
         .[] | [.version, .app_version, (.ts | todate)] | @tsv' | \
  column -t -s $'\t'

Response Format

Each version entry contains:

Field Description Example
version Helm chart version 3.6.1
app_version Kyverno app version v1.16.1
ts Unix timestamp of release 1764753174
contains_security_updates Security patch flag false
prerelease RC/beta/alpha flag false

Version Mapping Reference

The Helm chart version and Kyverno app version follow different schemes:

  • Chart 3.x maps to Kyverno 1.1x (e.g., Chart 3.6.1 = Kyverno v1.16.1)
  • Chart 2.x maps to Kyverno 1.x (legacy)

Use Cases

  1. Check latest stable version

    curl -s "https://artifacthub.io/api/v1/packages/helm/kyverno/kyverno" | jq '.version, .app_version'

  2. Find release date for specific version

    curl -s "https://artifacthub.io/api/v1/packages/helm/kyverno/kyverno" | \
  jq '.available_versions[] | select(.version == "3.6.0") | .ts | todate'

  3. List versions released in last 90 days

    NINETY_DAYS_AGO=$(($(date +%s) - 7776000))
curl -s "https://artifacthub.io/api/v1/packages/helm/kyverno/kyverno" | \
  jq --argjson cutoff "$NINETY_DAYS_AGO" \
    '[.available_versions[] | select(.ts > $cutoff and (.version | test("^[0-9]+\\.[0-9]+\\.[0-9]+$")))]'

Self-Test

# Verify API is accessible and returns expected structure
curl -sf "https://artifacthub.io/api/v1/packages/helm/kyverno/kyverno" | \
  jq -e '.version and .app_version and .available_versions' > /dev/null && \
  echo "PASS: Kyverno version lookup working" || echo "FAIL: API check failed"