diff --git a/extensions/README.md b/extensions/README.md
index 673564fe..f38cf1b1 100644
--- a/extensions/README.md
+++ b/extensions/README.md
@@ -72,6 +72,7 @@ The following community-contributed extensions are available in [`catalog.commun
 
 | Extension | Purpose | URL |
 |-----------|---------|-----|
+| Archive Extension | Archive merged features into main project memory. | [spec-kit-archive](https://github.com/stn1slv/spec-kit-archive) |
 | Azure DevOps Integration | Sync user stories and tasks to Azure DevOps work items using OAuth authentication | [spec-kit-azure-devops](https://github.com/pragya247/spec-kit-azure-devops) |
 | Cleanup Extension | Post-implementation quality gate that reviews changes, fixes small issues (scout rule), creates tasks for medium issues, and generates analysis for large issues | [spec-kit-cleanup](https://github.com/dsrednicki/spec-kit-cleanup) |
 | DocGuard — CDD Enforcement | Canonical-Driven Development enforcement. Generates, validates, scores, and traces project documentation against 92 automated checks with config-aware traceability, quality labels, and AI-ready fix prompts. Zero dependencies. | [spec-kit-docguard](https://github.com/raccioly/docguard) |
@@ -80,6 +81,7 @@ The following community-contributed extensions are available in [`catalog.commun
 | Project Health Check | Diagnose a Spec Kit project and report health issues across structure, agents, features, scripts, extensions, and git | [spec-kit-doctor](https://github.com/KhawarHabibKhan/spec-kit-doctor) |
 | Project Status | Show current SDD workflow progress — active feature, artifact status, task completion, workflow phase, and extensions summary | [spec-kit-status](https://github.com/KhawarHabibKhan/spec-kit-status) |
 | Ralph Loop | Autonomous implementation loop using AI agent CLI | [spec-kit-ralph](https://github.com/Rubiss/spec-kit-ralph) |
+| Reconcile Extension | Reconcile implementation drift by surgically updating feature artifacts. | [spec-kit-reconcile](https://github.com/stn1slv/spec-kit-reconcile) |
 | Retrospective Extension | Post-implementation retrospective with spec adherence scoring, drift analysis, and human-gated spec updates | [spec-kit-retrospective](https://github.com/emi-dm/spec-kit-retrospective) |
 | Review Extension | Post-implementation comprehensive code review with specialized agents for code quality, comments, tests, error handling, type design, and simplification | [spec-kit-review](https://github.com/ismaelJimenez/spec-kit-review) |
 | Spec Sync | Detect and resolve drift between specs and implementation. AI-assisted resolution with human approval | [spec-kit-sync](https://github.com/bgervin/spec-kit-sync) |
diff --git a/extensions/catalog.community.json b/extensions/catalog.community.json
index 65537356..01cf5a67 100644
--- a/extensions/catalog.community.json
+++ b/extensions/catalog.community.json
@@ -3,6 +3,37 @@
   "updated_at": "2026-03-16T00:00:00Z",
   "catalog_url": "https://raw.githubusercontent.com/github/spec-kit/main/extensions/catalog.community.json",
   "extensions": {
+    "archive": {
+      "name": "Archive Extension",
+      "id": "archive",
+      "description": "Archive merged features into main project memory, resolving gaps and conflicts.",
+      "author": "Stanislav Deviatov",
+      "version": "1.0.0",
+      "download_url": "https://github.com/stn1slv/spec-kit-archive/archive/refs/tags/v1.0.0.zip",
+      "repository": "https://github.com/stn1slv/spec-kit-archive",
+      "homepage": "https://github.com/stn1slv/spec-kit-archive",
+      "documentation": "https://github.com/stn1slv/spec-kit-archive/blob/main/README.md",
+      "changelog": "https://github.com/stn1slv/spec-kit-archive/blob/main/CHANGELOG.md",
+      "license": "MIT",
+      "requires": {
+        "speckit_version": ">=0.1.0"
+      },
+      "provides": {
+        "commands": 1,
+        "hooks": 0
+      },
+      "tags": [
+        "archive",
+        "memory",
+        "merge",
+        "changelog"
+      ],
+      "verified": false,
+      "downloads": 0,
+      "stars": 0,
+      "created_at": "2026-03-14T00:00:00Z",
+      "updated_at": "2026-03-14T00:00:00Z"
+    },
     "azure-devops": {
       "name": "Azure DevOps Integration",
       "id": "azure-devops",
@@ -250,6 +281,37 @@
       "created_at": "2026-03-09T00:00:00Z",
       "updated_at": "2026-03-09T00:00:00Z"
     },
+    "reconcile": {
+      "name": "Reconcile Extension",
+      "id": "reconcile",
+      "description": "Reconcile implementation drift by surgically updating the feature's own spec, plan, and tasks.",
+      "author": "Stanislav Deviatov",
+      "version": "1.0.0",
+      "download_url": "https://github.com/stn1slv/spec-kit-reconcile/archive/refs/tags/v1.0.0.zip",
+      "repository": "https://github.com/stn1slv/spec-kit-reconcile",
+      "homepage": "https://github.com/stn1slv/spec-kit-reconcile",
+      "documentation": "https://github.com/stn1slv/spec-kit-reconcile/blob/main/README.md",
+      "changelog": "https://github.com/stn1slv/spec-kit-reconcile/blob/main/CHANGELOG.md",
+      "license": "MIT",
+      "requires": {
+        "speckit_version": ">=0.1.0"
+      },
+      "provides": {
+        "commands": 1,
+        "hooks": 0
+      },
+      "tags": [
+        "reconcile",
+        "drift",
+        "tasks",
+        "remediation"
+      ],
+      "verified": false,
+      "downloads": 0,
+      "stars": 0,
+      "created_at": "2026-03-14T00:00:00Z",
+      "updated_at": "2026-03-14T00:00:00Z"
+    },
     "retrospective": {
       "name": "Retrospective Extension",
       "id": "retrospective",
diff --git a/src/specify_cli/__init__.py b/src/specify_cli/__init__.py
index a45535ae..8509db7e 100644
--- a/src/specify_cli/__init__.py
+++ b/src/specify_cli/__init__.py
@@ -2576,6 +2576,7 @@ def extension_list(
             status_color = "green" if ext["enabled"] else "red"
 
             console.print(f"  [{status_color}]{status_icon}[/{status_color}] [bold]{ext['name']}[/bold] (v{ext['version']})")
+            console.print(f"     [dim]{ext['id']}[/dim]")
             console.print(f"     {ext['description']}")
             console.print(f"     Commands: {ext['command_count']} | Hooks: {ext['hook_count']} | Status: {'Enabled' if ext['enabled'] else 'Disabled'}")
             console.print()
diff --git a/tests/test_extensions.py b/tests/test_extensions.py
index 6299abbb..61a3e1c9 100644
--- a/tests/test_extensions.py
+++ b/tests/test_extensions.py
@@ -2337,3 +2337,29 @@ class TestExtensionUpdateCLI:
 
         for cmd_file in command_files:
             assert cmd_file.exists(), f"Expected command file to be restored after rollback: {cmd_file}"
+
+
+class TestExtensionListCLI:
+    """Test extension list CLI output format."""
+
+    def test_list_shows_extension_id(self, extension_dir, project_dir):
+        """extension list should display the extension ID."""
+        from typer.testing import CliRunner
+        from unittest.mock import patch
+        from specify_cli import app
+
+        runner = CliRunner()
+
+        # Install the extension using the manager
+        manager = ExtensionManager(project_dir)
+        manager.install_from_directory(extension_dir, "0.1.0", register_commands=False)
+
+        with patch.object(Path, "cwd", return_value=project_dir):
+            result = runner.invoke(app, ["extension", "list"])
+
+        assert result.exit_code == 0, result.output
+        # Verify the extension ID is shown in the output
+        assert "test-ext" in result.output
+        # Verify name and version are also shown
+        assert "Test Extension" in result.output
+        assert "1.0.0" in result.output