diff --git a/ZB.MOM.WW.Auth/Directory.Build.props b/ZB.MOM.WW.Auth/Directory.Build.props
index c48c525..566ed20 100644
--- a/ZB.MOM.WW.Auth/Directory.Build.props
+++ b/ZB.MOM.WW.Auth/Directory.Build.props
@@ -5,7 +5,7 @@
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <LangVersion>latest</LangVersion>
-    <Version>0.1.2</Version>
+    <Version>0.1.3</Version>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
   </PropertyGroup>
 
diff --git a/ZB.MOM.WW.Auth/src/ZB.MOM.WW.Auth.Abstractions/ApiKeys/ApiKeyContracts.cs b/ZB.MOM.WW.Auth/src/ZB.MOM.WW.Auth.Abstractions/ApiKeys/ApiKeyContracts.cs
index f0583ba..05ad04e 100644
--- a/ZB.MOM.WW.Auth/src/ZB.MOM.WW.Auth.Abstractions/ApiKeys/ApiKeyContracts.cs
+++ b/ZB.MOM.WW.Auth/src/ZB.MOM.WW.Auth.Abstractions/ApiKeys/ApiKeyContracts.cs
@@ -55,6 +55,12 @@ public interface IApiKeyAdminStore
     Task<bool> RotateAsync(string keyId, byte[] newSecretHash, CancellationToken ct);
     Task<bool> DeleteAsync(string keyId, CancellationToken ct);
 
+    /// <summary>Replaces the scope set on an existing key. Does not touch the secret. Returns false if the key does not exist.</summary>
+    Task<bool> SetScopesAsync(string keyId, IReadOnlySet<string> scopes, CancellationToken ct);
+
+    /// <summary>Enables (clears revoked_utc) or disables (sets revoked_utc) a key WITHOUT changing its secret. Returns false if the key does not exist.</summary>
+    Task<bool> SetEnabledAsync(string keyId, bool enabled, DateTimeOffset whenUtc, CancellationToken ct);
+
     /// <summary>
     /// Enumerates all API keys as hash-free <see cref="ApiKeyListItem"/> projections, newest first.
     /// The secret hash is never selected, so callers cannot use this to recover secret material.
diff --git a/ZB.MOM.WW.Auth/src/ZB.MOM.WW.Auth.ApiKeys/Admin/ApiKeyAdminCommands.cs b/ZB.MOM.WW.Auth/src/ZB.MOM.WW.Auth.ApiKeys/Admin/ApiKeyAdminCommands.cs
index 5aeab04..3d9d071 100644
--- a/ZB.MOM.WW.Auth/src/ZB.MOM.WW.Auth.ApiKeys/Admin/ApiKeyAdminCommands.cs
+++ b/ZB.MOM.WW.Auth/src/ZB.MOM.WW.Auth.ApiKeys/Admin/ApiKeyAdminCommands.cs
@@ -187,6 +187,53 @@ public sealed class ApiKeyAdminCommands
         return new KeyActionResult(deleted, status);
     }
 
+    /// <summary>
+    /// set-scopes: replaces the scope set on an existing key WITHOUT touching its secret, and
+    /// appends a <c>set-scopes</c> audit entry. Only the scope count is recorded in the audit
+    /// details — the scope values themselves are not logged verbatim.
+    /// All attempts are audited, including failures (key not found) — this is intentional to
+    /// maintain a complete security trail.
+    /// </summary>
+    public async Task<KeyActionResult> SetScopesAsync(
+        string keyId, IReadOnlySet<string> scopes, string? remoteAddress, CancellationToken ct)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(keyId);
+        ArgumentNullException.ThrowIfNull(scopes);
+
+        bool updated = await _adminStore.SetScopesAsync(keyId, scopes, ct).ConfigureAwait(false);
+
+        string status = updated ? "scopes-set" : "not-found";
+        // Record only the count, never the scope contents, to avoid leaking authority detail into audit.
+        await AppendAuditAsync(keyId, "set-scopes", remoteAddress, $"{status}; count={scopes.Count}", ct)
+            .ConfigureAwait(false);
+
+        return new KeyActionResult(updated, status);
+    }
+
+    /// <summary>
+    /// enable-key / disable-key: reversibly toggles a key's active state WITHOUT changing its
+    /// secret, and appends an <c>enable-key</c> (when enabling) or <c>disable-key</c> (when
+    /// disabling) audit entry.
+    /// All attempts are audited, including failures (key not found) — this is intentional to
+    /// maintain a complete security trail.
+    /// </summary>
+    public async Task<KeyActionResult> SetEnabledAsync(
+        string keyId, bool enabled, string? remoteAddress, CancellationToken ct)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(keyId);
+
+        DateTimeOffset now = _clock.GetUtcNow();
+        bool updated = await _adminStore.SetEnabledAsync(keyId, enabled, now, ct).ConfigureAwait(false);
+
+        string eventType = enabled ? "enable-key" : "disable-key";
+        string status = updated
+            ? (enabled ? "enabled" : "disabled")
+            : "not-found";
+        await AppendAuditAsync(keyId, eventType, remoteAddress, status, ct).ConfigureAwait(false);
+
+        return new KeyActionResult(updated, status);
+    }
+
     private string RequirePepper()
     {
         string? pepper = _pepperProvider.GetPepper();
diff --git a/ZB.MOM.WW.Auth/src/ZB.MOM.WW.Auth.ApiKeys/Sqlite/SqliteApiKeyAdminStore.cs b/ZB.MOM.WW.Auth/src/ZB.MOM.WW.Auth.ApiKeys/Sqlite/SqliteApiKeyAdminStore.cs
index 9607c23..a7261a6 100644
--- a/ZB.MOM.WW.Auth/src/ZB.MOM.WW.Auth.ApiKeys/Sqlite/SqliteApiKeyAdminStore.cs
+++ b/ZB.MOM.WW.Auth/src/ZB.MOM.WW.Auth.ApiKeys/Sqlite/SqliteApiKeyAdminStore.cs
@@ -4,7 +4,8 @@ using ZB.MOM.WW.Auth.Abstractions.ApiKeys;
 namespace ZB.MOM.WW.Auth.ApiKeys.Sqlite;
 
 /// <summary>
-/// SQLite-backed administration store for API keys (create, revoke, rotate, delete).
+/// SQLite-backed administration store for API keys (create, revoke, rotate, delete,
+/// set-scopes, enable/disable).
 /// </summary>
 public sealed class SqliteApiKeyAdminStore(AuthSqliteConnectionFactory connectionFactory) : IApiKeyAdminStore
 {
@@ -85,6 +86,67 @@ public sealed class SqliteApiKeyAdminStore(AuthSqliteConnectionFactory connectio
         return rows > 0;
     }
 
+    /// <inheritdoc />
+    public async Task<bool> SetScopesAsync(string keyId, IReadOnlySet<string> scopes, CancellationToken ct)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(keyId);
+        ArgumentNullException.ThrowIfNull(scopes);
+
+        await using SqliteConnection connection =
+            await connectionFactory.OpenConnectionAsync(ct).ConfigureAwait(false);
+
+        await using SqliteCommand command = connection.CreateCommand();
+        command.CommandText = """
+            UPDATE api_keys
+            SET scopes = $scopes
+            WHERE key_id = $key_id;
+            """;
+        command.Parameters.AddWithValue("$key_id", keyId);
+        command.Parameters.AddWithValue("$scopes", ScopeSerializer.Serialize(scopes));
+
+        int rows = await command.ExecuteNonQueryAsync(ct).ConfigureAwait(false);
+
+        return rows > 0;
+    }
+
+    /// <inheritdoc />
+    public async Task<bool> SetEnabledAsync(string keyId, bool enabled, DateTimeOffset whenUtc, CancellationToken ct)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(keyId);
+
+        await using SqliteConnection connection =
+            await connectionFactory.OpenConnectionAsync(ct).ConfigureAwait(false);
+
+        await using SqliteCommand command = connection.CreateCommand();
+
+        // Reversible toggle: NO `revoked_utc IS NULL` guard (unlike RevokeAsync), so it works
+        // regardless of current state. Deliberately leaves secret_hash and last_used_utc untouched
+        // — that is what distinguishes re-enable from RotateAsync.
+        if (enabled)
+        {
+            command.CommandText = """
+                UPDATE api_keys
+                SET revoked_utc = NULL
+                WHERE key_id = $key_id;
+                """;
+            command.Parameters.AddWithValue("$key_id", keyId);
+        }
+        else
+        {
+            command.CommandText = """
+                UPDATE api_keys
+                SET revoked_utc = $revoked_utc
+                WHERE key_id = $key_id;
+                """;
+            command.Parameters.AddWithValue("$key_id", keyId);
+            command.Parameters.AddWithValue("$revoked_utc", whenUtc.ToString("O"));
+        }
+
+        int rows = await command.ExecuteNonQueryAsync(ct).ConfigureAwait(false);
+
+        return rows > 0;
+    }
+
     /// <inheritdoc />
     public async Task<bool> DeleteAsync(string keyId, CancellationToken ct)
     {
diff --git a/ZB.MOM.WW.Auth/tests/ZB.MOM.WW.Auth.ApiKeys.Tests/ApiKeyAdminCommandsTests.cs b/ZB.MOM.WW.Auth/tests/ZB.MOM.WW.Auth.ApiKeys.Tests/ApiKeyAdminCommandsTests.cs
index 6e00ba4..58fb904 100644
--- a/ZB.MOM.WW.Auth/tests/ZB.MOM.WW.Auth.ApiKeys.Tests/ApiKeyAdminCommandsTests.cs
+++ b/ZB.MOM.WW.Auth/tests/ZB.MOM.WW.Auth.ApiKeys.Tests/ApiKeyAdminCommandsTests.cs
@@ -292,6 +292,59 @@ public sealed class ApiKeyAdminCommandsTests : IAsyncLifetime
         Assert.Equal(auditCountBefore, auditCountAfter);
     }
 
+    // --- set-scopes / enable-disable ---
+
+    [Fact]
+    public async Task SetEnabledAsync_And_SetScopesAsync_AppendAuditEntries()
+    {
+        ApiKeyAdminCommands commands = BuildCommands();
+        await commands.InitDbAsync(null, CancellationToken.None);
+        await commands.CreateKeyAsync(
+            "key-1",
+            "Service A",
+            new HashSet<string>(["read"], StringComparer.Ordinal),
+            null,
+            null,
+            CancellationToken.None);
+
+        // Disable, then re-enable, then replace scopes.
+        KeyActionResult disabled =
+            await commands.SetEnabledAsync("key-1", enabled: false, "10.0.0.1", CancellationToken.None);
+        Assert.True(disabled.Succeeded);
+        Assert.Null(await _read.FindActiveByKeyIdAsync("key-1", CancellationToken.None));
+
+        KeyActionResult enabled =
+            await commands.SetEnabledAsync("key-1", enabled: true, "10.0.0.1", CancellationToken.None);
+        Assert.True(enabled.Succeeded);
+        Assert.NotNull(await _read.FindActiveByKeyIdAsync("key-1", CancellationToken.None));
+
+        KeyActionResult scoped = await commands.SetScopesAsync(
+            "key-1",
+            new HashSet<string>(["read", "write"], StringComparer.Ordinal),
+            "10.0.0.1",
+            CancellationToken.None);
+        Assert.True(scoped.Succeeded);
+
+        IReadOnlyList<ApiKeyAuditEntry> recent = await _audit.ListRecentAsync(50, CancellationToken.None);
+        Assert.Single(recent, e => e.EventType == "disable-key");
+        Assert.Single(recent, e => e.EventType == "enable-key");
+        Assert.Single(recent, e => e.EventType == "set-scopes");
+
+        IReadOnlyList<ApiKeyListItem> listed = await commands.ListKeysAsync(CancellationToken.None);
+        ApiKeyListItem item = Assert.Single(listed, k => k.KeyId == "key-1");
+        Assert.True(item.Scopes.SetEquals(new HashSet<string>(["read", "write"], StringComparer.Ordinal)));
+    }
+
+    [Fact]
+    public async Task SetScopesAsync_NullScopes_Throws()
+    {
+        ApiKeyAdminCommands commands = BuildCommands();
+        await commands.InitDbAsync(null, CancellationToken.None);
+
+        await Assert.ThrowsAnyAsync<ArgumentException>(() =>
+            commands.SetScopesAsync("key-1", null!, null, CancellationToken.None));
+    }
+
     // --- delete-key ---
 
     [Fact]
diff --git a/ZB.MOM.WW.Auth/tests/ZB.MOM.WW.Auth.ApiKeys.Tests/SqliteApiKeyAdminStoreTests.cs b/ZB.MOM.WW.Auth/tests/ZB.MOM.WW.Auth.ApiKeys.Tests/SqliteApiKeyAdminStoreTests.cs
index da4af84..b1692c3 100644
--- a/ZB.MOM.WW.Auth/tests/ZB.MOM.WW.Auth.ApiKeys.Tests/SqliteApiKeyAdminStoreTests.cs
+++ b/ZB.MOM.WW.Auth/tests/ZB.MOM.WW.Auth.ApiKeys.Tests/SqliteApiKeyAdminStoreTests.cs
@@ -105,6 +105,87 @@ public sealed class SqliteApiKeyAdminStoreTests : IAsyncLifetime
         Assert.False(result);
     }
 
+    // --- SetScopes ---
+
+    [Fact]
+    public async Task SetScopesAsync_ReplacesScopes_AndReturnsTrue()
+    {
+        await _admin.CreateAsync(
+            SampleRecord("key-1") with { Scopes = new HashSet<string>(["a"], StringComparer.Ordinal) },
+            CancellationToken.None);
+
+        bool result = await _admin.SetScopesAsync(
+            "key-1",
+            new HashSet<string>(["b", "c"], StringComparer.Ordinal),
+            CancellationToken.None);
+
+        Assert.True(result);
+        IReadOnlyList<ApiKeyListItem> listed = await _admin.ListAsync(CancellationToken.None);
+        ApiKeyListItem item = Assert.Single(listed, k => k.KeyId == "key-1");
+        Assert.True(item.Scopes.SetEquals(new HashSet<string>(["b", "c"], StringComparer.Ordinal)));
+    }
+
+    [Fact]
+    public async Task SetScopesAsync_UnknownKey_ReturnsFalse()
+    {
+        bool result = await _admin.SetScopesAsync(
+            "missing",
+            new HashSet<string>(["b"], StringComparer.Ordinal),
+            CancellationToken.None);
+
+        Assert.False(result);
+    }
+
+    // --- SetEnabled ---
+
+    [Fact]
+    public async Task SetEnabledAsync_False_DisablesKey()
+    {
+        await _admin.CreateAsync(SampleRecord("key-1"), CancellationToken.None);
+        var when = new DateTimeOffset(2026, 5, 31, 9, 0, 0, TimeSpan.Zero);
+
+        bool result = await _admin.SetEnabledAsync("key-1", enabled: false, when, CancellationToken.None);
+
+        Assert.True(result);
+        Assert.Null(await _read.FindActiveByKeyIdAsync("key-1", CancellationToken.None));
+        ApiKeyRecord? found = await _read.FindByKeyIdAsync("key-1", CancellationToken.None);
+        Assert.Equal(when, found!.RevokedUtc);
+    }
+
+    [Fact]
+    public async Task SetEnabledAsync_True_ReenablesKey_WithoutChangingSecret()
+    {
+        ApiKeyRecord original = SampleRecord("key-1");
+        await _admin.CreateAsync(original, CancellationToken.None);
+        // Record some usage so we can prove last_used_utc is left untouched on re-enable.
+        var used = new DateTimeOffset(2026, 5, 20, 12, 0, 0, TimeSpan.Zero);
+        await _read.MarkUsedAsync("key-1", used, CancellationToken.None);
+
+        // Disable, then re-enable.
+        await _admin.SetEnabledAsync(
+            "key-1", enabled: false, new DateTimeOffset(2026, 5, 31, 9, 0, 0, TimeSpan.Zero), CancellationToken.None);
+        bool result = await _admin.SetEnabledAsync(
+            "key-1", enabled: true, new DateTimeOffset(2026, 6, 1, 9, 0, 0, TimeSpan.Zero), CancellationToken.None);
+
+        Assert.True(result);
+
+        // Active again, and the secret hash + last-used timestamp are unchanged.
+        ApiKeyRecord? active = await _read.FindActiveByKeyIdAsync("key-1", CancellationToken.None);
+        Assert.NotNull(active);
+        Assert.True(active!.SecretHash.SequenceEqual(original.SecretHash));
+        Assert.Null(active.RevokedUtc);
+        Assert.Equal(used, active.LastUsedUtc);
+    }
+
+    [Fact]
+    public async Task SetEnabledAsync_UnknownKey_ReturnsFalse()
+    {
+        bool result = await _admin.SetEnabledAsync(
+            "missing", enabled: false, DateTimeOffset.UtcNow, CancellationToken.None);
+
+        Assert.False(result);
+    }
+
     // --- Delete ---
 
     [Fact]
diff --git a/components/auth/shared-contract/ZB.MOM.WW.Auth.md b/components/auth/shared-contract/ZB.MOM.WW.Auth.md
index 89a2da4..648e3fc 100644
--- a/components/auth/shared-contract/ZB.MOM.WW.Auth.md
+++ b/components/auth/shared-contract/ZB.MOM.WW.Auth.md
@@ -99,7 +99,10 @@ public interface IApiKeyStore {                  // default: SQLite (hash, scope
     Task<ApiKeyRecord?> FindByKeyIdAsync(string keyId, CancellationToken ct);
     Task MarkUsedAsync(string keyId, CancellationToken ct);
 }
-public interface IApiKeyAdminStore { /* create / revoke / rotate / delete + audit */ }
+public interface IApiKeyAdminStore { /* create / revoke / rotate / delete + audit */
+    Task<bool> SetScopesAsync(string keyId, IReadOnlySet<string> scopes, CancellationToken ct);          // 0.1.3: replace scope set; secret untouched
+    Task<bool> SetEnabledAsync(string keyId, bool enabled, DateTimeOffset whenUtc, CancellationToken ct); // 0.1.3: reversible enable/disable toggle; secret untouched
+}
 ```
 
 - Constraints are carried as an **opaque `object`** (project supplies the policy: mxaccessgw
@@ -107,6 +110,22 @@ public interface IApiKeyAdminStore { /* create / revoke / rotate / delete + audi
   parse→lookup→peppered-HMAC→constant-time-compare→audit pipeline; it does **not** interpret constraints.
 - Ships the `apikey` admin verbs as a reusable command set.
 
+### 0.1.3 admin additions
+
+`0.1.3` adds **editable scopes** and a **reversible enable/disable toggle** with **no schema
+change** (still `CurrentVersion = 2`). Both land on `IApiKeyAdminStore` and the
+`ApiKeyAdminCommands` facade:
+
+- `IApiKeyAdminStore.SetScopesAsync(keyId, scopes, ct)` — replaces a key's scope set; never
+  touches the secret. Returns `false` if the key is unknown.
+- `IApiKeyAdminStore.SetEnabledAsync(keyId, enabled, whenUtc, ct)` — clears (`enabled: true`) or
+  sets (`enabled: false`) `revoked_utc` regardless of current state; leaves `secret_hash` and
+  `last_used_utc` untouched (the distinction from rotate). Returns `false` if the key is unknown.
+- `ApiKeyAdminCommands.SetScopesAsync(...)` — audited `set-scopes` verb (records scope **count**,
+  not contents); returns `KeyActionResult`.
+- `ApiKeyAdminCommands.SetEnabledAsync(...)` — audited `enable-key` / `disable-key` verb;
+  returns `KeyActionResult`.
+
 ## `ZB.MOM.WW.Auth.AspNetCore`
 
 - Canonical `ClaimTypes` constants (name, display, username, role, scope-id).