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commands/claude-plugin-validate-all.md

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+---
+name: claude-plugin-validate-all
+description: Discover and validate all Claude Code plugin and marketplace manifests in the repository
+---
+
+Find all `.claude-plugin` directories in the repository and validate their manifests.
+
+**Discovery Logic:**
+
+1. Find git repository root
+2. Search for all `.claude-plugin` directories
+3. For each directory found:
+   - Check for `plugin.json` or `marketplace.json`
+   - Validate the manifest
+   - Report results
+4. Provide summary of validation results
+
+**Usage:**
+
+```bash
+/claude-plugin-validate-all
+```
+
+**Implementation:**
+
+```bash
+# Function to validate all discovered manifests
+validate_all_discovered() {
+    local repo_root
+    local total=0
+    local passed=0
+    local failed=0
+
+    # Find git root
+    repo_root=$(git rev-parse --show-toplevel 2>/dev/null || pwd)
+
+    echo "Searching for manifests in: $repo_root"
+    echo ""
+
+    # Find all .claude-plugin directories
+    while IFS= read -r plugin_dir; do
+        local parent_dir=$(dirname "$plugin_dir")
+        local manifest=""
+
+        # Determine which manifest exists
+        if [ -f "$plugin_dir/plugin.json" ]; then
+            manifest="plugin"
+            echo "=== Plugin: $parent_dir ==="
+        elif [ -f "$plugin_dir/marketplace.json" ]; then
+            manifest="marketplace"
+            echo "=== Marketplace: $parent_dir ==="
+        else
+            echo "=== Skipping $plugin_dir (no manifest found) ==="
+            continue
+        fi
+
+        total=$((total + 1))
+
+        # Validate
+        if claude plugin validate "$parent_dir" 2>&1; then
+            passed=$((passed + 1))
+        else
+            failed=$((failed + 1))
+        fi
+        echo ""
+    done < <(find "$repo_root" -type d -name ".claude-plugin" 2>/dev/null)
+
+    # Summary
+    echo "========================================"
+    echo "Validation Summary:"
+    echo "  Total manifests: $total"
+    echo "  Passed: $passed ✔"
+    echo "  Failed: $failed ✘"
+    echo "========================================"
+
+    # Return non-zero if any failed
+    [ "$failed" -eq 0 ]
+}
+
+validate_all_discovered
+```
+
+**Example Output:**
+
+```
+Searching for manifests in: /path/to/repo
+
+=== Plugin: integrations/claude-code/plugins/it2-core ===
+Validating plugin manifest: /path/to/repo/integrations/claude-code/plugins/it2-core/.claude-plugin/plugin.json
+✔ Validation passed
+
+=== Plugin: integrations/claude-code/plugins/it2-claude-automation ===
+Validating plugin manifest: /path/to/repo/integrations/claude-code/plugins/it2-claude-automation/.claude-plugin/plugin.json
+✔ Validation passed
+
+=== Marketplace: .claude-plugin ===
+Validating marketplace manifest: /path/to/repo/.claude-plugin/marketplace.json
+✔ Validation passed
+
+========================================
+Validation Summary:
+  Total manifests: 3
+  Passed: 3 ✔
+  Failed: 0 ✘
+========================================
+```
+
+**With Failures:**
+
+```
+Searching for manifests in: /path/to/repo
+
+=== Plugin: plugins/broken-plugin ===
+Validating plugin manifest: /path/to/repo/plugins/broken-plugin/.claude-plugin/plugin.json
+✘ Found 1 error:
+  ❯ agents: Invalid input
+✘ Validation failed
+
+========================================
+Validation Summary:
+  Total manifests: 1
+  Passed: 0 ✔
+  Failed: 1 ✘
+========================================
+```
+
+**Use Cases:**
+
+- **Pre-commit validation**: Ensure all plugins are valid before committing
+- **CI/CD checks**: Validate entire marketplace in pipeline
+- **Bulk updates**: After structural changes, validate everything
+- **Quality assurance**: Regular checks during development
+
+**Notes:**
+
+- Searches entire repository tree
+- Skips `.claude-plugin` directories without manifests
+- Provides detailed per-plugin validation output
+- Returns non-zero exit code if any validation fails
+- Can be used in scripts and automation