diff --git a/packages/cultmesh-ts/src/index.ts b/packages/cultmesh-ts/src/index.ts
index 1e8b6477..bd1c6ba9 100644
--- a/packages/cultmesh-ts/src/index.ts
+++ b/packages/cultmesh-ts/src/index.ts
@@ -1010,6 +1010,68 @@ export class CultMeshDocumentCatalog {
     return this.document(schema, options).latest(context);
   }
 
+  public canReplace(schema: CultMeshDocumentSchemaDescriptor): boolean {
+    return this.tryDocument(schema)?.canReplace ?? false;
+  }
+
+  public replace<TDocument>(
+    schema: CultMeshDocumentSchemaDescriptor,
+    value: TDocument,
+    options?: { parse?: (value: unknown) => TDocument; context?: CultMeshQueryContext | string },
+  ): Promise<void>;
+  public replace<TDocument>(
+    schema: CultMeshDocumentSchemaDescriptor,
+    context: CultMeshQueryContext | string,
+    value: TDocument,
+    options?: { parse?: (value: unknown) => TDocument },
+  ): Promise<void>;
+  public replace<TDocument>(
+    schema: CultMeshDocumentSchemaDescriptor,
+    contextOrValue: CultMeshQueryContext | string | TDocument,
+    valueOrOptions?: TDocument | { parse?: (value: unknown) => TDocument; context?: CultMeshQueryContext | string },
+    maybeOptions: { parse?: (value: unknown) => TDocument } = {},
+  ): Promise<void> {
+    const hasContext =
+      typeof contextOrValue === "string" || isCultMeshQueryContext(contextOrValue);
+    const context = hasContext
+      ? contextOrValue as CultMeshQueryContext | string
+      : (valueOrOptions as { context?: CultMeshQueryContext | string } | undefined)?.context ?? "local";
+    const value = hasContext ? valueOrOptions as TDocument : contextOrValue as TDocument;
+    const options = hasContext ? maybeOptions : valueOrOptions as { parse?: (value: unknown) => TDocument } | undefined;
+    return this.document(schema, options).replace(context, value);
+  }
+
+  public canSubmitPrediction(schema: CultMeshDocumentSchemaDescriptor): boolean {
+    return this.tryDocument(schema)?.canSubmitPrediction ?? false;
+  }
+
+  public submitPrediction<TDocument>(
+    schema: CultMeshDocumentSchemaDescriptor,
+    value: TDocument,
+    options?: { parse?: (value: unknown) => TDocument; context?: CultMeshQueryContext | string },
+  ): Promise<void>;
+  public submitPrediction<TDocument>(
+    schema: CultMeshDocumentSchemaDescriptor,
+    context: CultMeshQueryContext | string,
+    value: TDocument,
+    options?: { parse?: (value: unknown) => TDocument },
+  ): Promise<void>;
+  public submitPrediction<TDocument>(
+    schema: CultMeshDocumentSchemaDescriptor,
+    contextOrValue: CultMeshQueryContext | string | TDocument,
+    valueOrOptions?: TDocument | { parse?: (value: unknown) => TDocument; context?: CultMeshQueryContext | string },
+    maybeOptions: { parse?: (value: unknown) => TDocument } = {},
+  ): Promise<void> {
+    const hasContext =
+      typeof contextOrValue === "string" || isCultMeshQueryContext(contextOrValue);
+    const context = hasContext
+      ? contextOrValue as CultMeshQueryContext | string
+      : (valueOrOptions as { context?: CultMeshQueryContext | string } | undefined)?.context ?? "local";
+    const value = hasContext ? valueOrOptions as TDocument : contextOrValue as TDocument;
+    const options = hasContext ? maybeOptions : valueOrOptions as { parse?: (value: unknown) => TDocument } | undefined;
+    return this.document(schema, options).submitPrediction(context, value);
+  }
+
   public watch<TDocument>(
     schema: CultMeshDocumentSchemaDescriptor,
     callback: (value: TDocument) => void,
diff --git a/packages/cultmesh-ts/test/cultmesh.test.ts b/packages/cultmesh-ts/test/cultmesh.test.ts
index b467f9ba..219e3eb5 100644
--- a/packages/cultmesh-ts/test/cultmesh.test.ts
+++ b/packages/cultmesh-ts/test/cultmesh.test.ts
@@ -104,11 +104,19 @@ test("CultMesh TS document handles hide local cache plumbing behind typed reacti
   assert.equal((await alias.latest()).body, "updated");
 
   const catalog = CultMesh.documents(document);
+  assert.equal(catalog.canReplace(noteAliasDocument), true);
+  await catalog.replace(noteAliasDocument, {
+    noteId: "note:1",
+    body: "catalog-updated",
+  }, {
+    parse: value => noteAliasDocument.schema.parse(value),
+    context: "browser-client",
+  });
   assert.equal(
     (await catalog.latest(noteAliasDocument, "browser-client", {
       parse: value => noteAliasDocument.schema.parse(value),
     })).body,
-    "updated",
+    "catalog-updated",
   );
   assert.throws(
     () => document.asSchemaAlias({ schemaId: "cultmesh.other.v0" }),
@@ -138,14 +146,18 @@ test("CultMesh TS document handles submit predictions through configured authori
   );
   const verse = CultMesh.verse("starbridge", "pilot-a");
   const bound = document.bind(verse);
+  const catalog = CultMesh.documents(document);
 
   assert.equal(document.canReplace, false);
   assert.equal(document.canSubmitPrediction, true);
   assert.equal(bound.canSubmitPrediction, true);
+  assert.equal(catalog.canSubmitPrediction(noteAliasDocument), true);
 
-  await bound.submitPrediction({
+  await catalog.submitPrediction(noteAliasDocument, "pilot-a", {
     noteId: "note:prediction",
     body: "predicted",
+  }, {
+    parse: value => noteAliasDocument.schema.parse(value),
   });
 
   assert.deepEqual(contexts, ["pilot-a:network"]);
diff --git a/src/GameCult.Mesh/CultMeshPrimitives.cs b/src/GameCult.Mesh/CultMeshPrimitives.cs
index 35ffa740..a35f1c24 100644
--- a/src/GameCult.Mesh/CultMeshPrimitives.cs
+++ b/src/GameCult.Mesh/CultMeshPrimitives.cs
@@ -1177,6 +1177,34 @@ namespace GameCult.Mesh
             return Document<TDocument>().Latest();
         }
 
+        /// <summary>Gets whether one typed document can be replaced by CLR type or same-schema alias.</summary>
+        public bool CanReplace<TDocument>()
+            where TDocument : class
+        {
+            return TryGetDocument<TDocument>(out var document) && document.CanReplace;
+        }
+
+        /// <summary>Replaces one typed document by CLR type or same-schema alias.</summary>
+        public Task ReplaceAsync<TDocument>(TDocument value)
+            where TDocument : class
+        {
+            return Document<TDocument>().ReplaceAsync(value);
+        }
+
+        /// <summary>Gets whether one typed document can submit client predictions by CLR type or same-schema alias.</summary>
+        public bool CanSubmitPrediction<TDocument>()
+            where TDocument : class
+        {
+            return TryGetDocument<TDocument>(out var document) && document.CanSubmitPrediction;
+        }
+
+        /// <summary>Submits a client prediction for one typed document by CLR type or same-schema alias.</summary>
+        public Task SubmitPredictionAsync<TDocument>(TDocument value)
+            where TDocument : class
+        {
+            return Document<TDocument>().SubmitPredictionAsync(value);
+        }
+
         /// <summary>Watches one typed document by CLR type or same-schema alias.</summary>
         public Observable<TDocument> Watch<TDocument>()
             where TDocument : class
diff --git a/src/GameCult.Mesh/docs/public-api.md b/src/GameCult.Mesh/docs/public-api.md
index 2fd2ae9d..d56a5a88 100644
--- a/src/GameCult.Mesh/docs/public-api.md
+++ b/src/GameCult.Mesh/docs/public-api.md
@@ -178,7 +178,10 @@ portable machinery that makes it feel native.
   schema version, and resolves same-schema CLR aliases by delegating to
   `CultMeshDocumentHandle<TDocument>.AsSchemaAlias<TAlias>()`. Domain facades
   can expose `Document<T>()`, `DocumentBySchema(...)`, `LatestAsync<T>()`, and
-  `Watch<T>()` without owning schema dictionaries or alias serializers.
+  `Watch<T>()` without owning schema dictionaries or alias serializers. Mutable
+  facades can also call `ReplaceAsync<T>(...)` or
+  `SubmitPredictionAsync<T>(...)` directly on the catalog when they only need
+  the schema-aliased operation and not the intermediate handle.
 - `CultMeshCollectionHandle<TDocument>` is the typed reactive edge for
   multi-record state. It exposes one `LatestAsync()` collection snapshot and a
   `WatchChanges()` stream while hiding whether the backing source is an
diff --git a/tests/GameCult.Mesh.Tests/CultMeshStreamingTests.cs b/tests/GameCult.Mesh.Tests/CultMeshStreamingTests.cs
index 29f675dd..e4856572 100644
--- a/tests/GameCult.Mesh.Tests/CultMeshStreamingTests.cs
+++ b/tests/GameCult.Mesh.Tests/CultMeshStreamingTests.cs
@@ -775,11 +775,21 @@ public sealed class CultMeshStreamingTests
         observed.Text.Should().Be("cache-replaced");
         observed.Revision.Should().Be(2);
 
+        var catalog = CultMesh.Documents(handle);
+        catalog.CanReplace<MeshNoteAliasDocument>().Should().BeTrue();
+        await catalog.ReplaceAsync(new MeshNoteAliasDocument
+        {
+            Schema = "tests.mesh_note.v1",
+            Text = "cache-catalog-replaced",
+            Revision = 3
+        });
+        cache.Get<MeshNoteDocument>(key)!.Text.Should().Be("cache-catalog-replaced");
+
         Func<Task> act = () => alias.SubmitPredictionAsync(new MeshNoteAliasDocument
         {
             Schema = "tests.mesh_note.v1",
             Text = "cache-predicted",
-            Revision = 3
+            Revision = 4
         });
         await act.Should().ThrowAsync<NotSupportedException>();
     }
@@ -820,10 +830,12 @@ public sealed class CultMeshStreamingTests
 
         handle.CanReplace.Should().BeTrue();
         alias.CanSubmitPrediction.Should().BeTrue();
+        var catalog = CultMesh.Documents(handle);
+        catalog.CanSubmitPrediction<MeshNoteAliasDocument>().Should().BeTrue();
 
         MeshNoteDocument observed = null!;
         using var subscription = handle.Watch(value => observed = value);
-        await alias.SubmitPredictionAsync(new MeshNoteAliasDocument
+        await catalog.SubmitPredictionAsync(new MeshNoteAliasDocument
         {
             Schema = "tests.mesh_note.v1",
             Text = "predicted-thermal",