diff --git a/.github/workflows/test-integration.yml b/.github/workflows/test-integration.yml
index 544b846e..653cd499 100644
--- a/.github/workflows/test-integration.yml
+++ b/.github/workflows/test-integration.yml
@@ -7,6 +7,7 @@ on:
       - 'tests/**.py'
       - 'pyproject.toml'
       - 'uv.lock'
+      - 'sdks/**'
       - '.github/workflows/test-integration.yml'
   workflow_dispatch:
     inputs:
@@ -58,6 +59,11 @@ jobs:
         with:
           version: latest
 
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
       - name: Python version
         run: uv python install 3.13
 
diff --git a/sdks/python/openrag_sdk/__init__.py b/sdks/python/openrag_sdk/__init__.py
index 2160b2e0..3d19d3d1 100644
--- a/sdks/python/openrag_sdk/__init__.py
+++ b/sdks/python/openrag_sdk/__init__.py
@@ -36,6 +36,7 @@ from .exceptions import (
     ServerError,
     ValidationError,
 )
+from .knowledge_filters import KnowledgeFiltersClient
 from .models import (
     AgentSettings,
     ChatResponse,
@@ -43,18 +44,28 @@ from .models import (
     Conversation,
     ConversationDetail,
     ConversationListResponse,
+    CreateKnowledgeFilterOptions,
+    CreateKnowledgeFilterResponse,
     DeleteDocumentResponse,
+    DeleteKnowledgeFilterResponse,
     DoneEvent,
+    GetKnowledgeFilterResponse,
     IngestResponse,
+    KnowledgeFilter,
+    KnowledgeFilterQueryData,
+    KnowledgeFilterSearchResponse,
     KnowledgeSettings,
     Message,
     SearchFilters,
     SearchResponse,
     SearchResult,
     SettingsResponse,
+    SettingsUpdateOptions,
+    SettingsUpdateResponse,
     Source,
     SourcesEvent,
     StreamEvent,
+    UpdateKnowledgeFilterOptions,
 )
 
 __version__ = "0.1.0"
@@ -62,6 +73,8 @@ __version__ = "0.1.0"
 __all__ = [
     # Main client
     "OpenRAGClient",
+    # Sub-clients
+    "KnowledgeFiltersClient",
     # Exceptions
     "OpenRAGError",
     "AuthenticationError",
@@ -86,6 +99,17 @@ __all__ = [
     "ConversationListResponse",
     "Message",
     "SettingsResponse",
+    "SettingsUpdateOptions",
+    "SettingsUpdateResponse",
     "AgentSettings",
     "KnowledgeSettings",
+    # Knowledge filter models
+    "KnowledgeFilter",
+    "KnowledgeFilterQueryData",
+    "CreateKnowledgeFilterOptions",
+    "UpdateKnowledgeFilterOptions",
+    "CreateKnowledgeFilterResponse",
+    "KnowledgeFilterSearchResponse",
+    "GetKnowledgeFilterResponse",
+    "DeleteKnowledgeFilterResponse",
 ]
diff --git a/sdks/python/openrag_sdk/chat.py b/sdks/python/openrag_sdk/chat.py
index 4e1e7fe4..ef33bc24 100644
--- a/sdks/python/openrag_sdk/chat.py
+++ b/sdks/python/openrag_sdk/chat.py
@@ -58,6 +58,7 @@ class ChatStream:
         filters: SearchFilters | dict[str, Any] | None = None,
         limit: int = 10,
         score_threshold: float = 0,
+        filter_id: str | None = None,
     ):
         self._client = client
         self._message = message
@@ -65,6 +66,7 @@ class ChatStream:
         self._filters = filters
         self._limit = limit
         self._score_threshold = score_threshold
+        self._filter_id = filter_id
 
         # Aggregated data
         self._text = ""
@@ -105,6 +107,9 @@ class ChatStream:
             else:
                 body["filters"] = self._filters
 
+        if self._filter_id:
+            body["filter_id"] = self._filter_id
+
         self._response = await self._client._http.send(
             self._client._http.build_request(
                 "POST",
@@ -214,6 +219,7 @@ class ChatClient:
         filters: SearchFilters | dict[str, Any] | None = None,
         limit: int = 10,
         score_threshold: float = 0,
+        filter_id: str | None = None,
     ) -> ChatResponse: ...
 
     @overload
@@ -226,6 +232,7 @@ class ChatClient:
         filters: SearchFilters | dict[str, Any] | None = None,
         limit: int = 10,
         score_threshold: float = 0,
+        filter_id: str | None = None,
     ) -> AsyncIterator[StreamEvent]: ...
 
     async def create(
@@ -237,6 +244,7 @@ class ChatClient:
         filters: SearchFilters | dict[str, Any] | None = None,
         limit: int = 10,
         score_threshold: float = 0,
+        filter_id: str | None = None,
     ) -> ChatResponse | AsyncIterator[StreamEvent]:
         """
         Send a chat message.
@@ -248,6 +256,7 @@ class ChatClient:
             filters: Optional search filters (data_sources, document_types).
             limit: Maximum number of search results (default 10).
             score_threshold: Minimum search score threshold (default 0).
+            filter_id: Optional knowledge filter ID to apply.
 
         Returns:
             ChatResponse if stream=False, AsyncIterator[StreamEvent] if stream=True.
@@ -269,6 +278,7 @@ class ChatClient:
                 filters=filters,
                 limit=limit,
                 score_threshold=score_threshold,
+                filter_id=filter_id,
             )
         else:
             return await self._create_response(
@@ -277,6 +287,7 @@ class ChatClient:
                 filters=filters,
                 limit=limit,
                 score_threshold=score_threshold,
+                filter_id=filter_id,
             )
 
     async def _create_response(
@@ -286,6 +297,7 @@ class ChatClient:
         filters: SearchFilters | dict[str, Any] | None,
         limit: int,
         score_threshold: float,
+        filter_id: str | None = None,
     ) -> ChatResponse:
         """Send a non-streaming chat message."""
         body: dict[str, Any] = {
@@ -304,6 +316,9 @@ class ChatClient:
             else:
                 body["filters"] = filters
 
+        if filter_id:
+            body["filter_id"] = filter_id
+
         response = await self._client._request(
             "POST",
             "/api/v1/chat",
@@ -326,6 +341,7 @@ class ChatClient:
         filters: SearchFilters | dict[str, Any] | None,
         limit: int,
         score_threshold: float,
+        filter_id: str | None = None,
     ) -> AsyncIterator[StreamEvent]:
         """Stream a chat response as an async iterator."""
         body: dict[str, Any] = {
@@ -344,6 +360,9 @@ class ChatClient:
             else:
                 body["filters"] = filters
 
+        if filter_id:
+            body["filter_id"] = filter_id
+
         async with self._client._http.stream(
             "POST",
             f"{self._client._base_url}/api/v1/chat",
@@ -387,6 +406,7 @@ class ChatClient:
         filters: SearchFilters | dict[str, Any] | None = None,
         limit: int = 10,
         score_threshold: float = 0,
+        filter_id: str | None = None,
     ) -> ChatStream:
         """
         Create a streaming chat context manager.
@@ -397,6 +417,7 @@ class ChatClient:
             filters: Optional search filters (data_sources, document_types).
             limit: Maximum number of search results (default 10).
             score_threshold: Minimum search score threshold (default 0).
+            filter_id: Optional knowledge filter ID to apply.
 
         Returns:
             ChatStream context manager.
@@ -418,6 +439,7 @@ class ChatClient:
             filters=filters,
             limit=limit,
             score_threshold=score_threshold,
+            filter_id=filter_id,
         )
 
     async def list(self) -> ConversationListResponse:
diff --git a/sdks/python/openrag_sdk/client.py b/sdks/python/openrag_sdk/client.py
index e75c913d..a38f11c1 100644
--- a/sdks/python/openrag_sdk/client.py
+++ b/sdks/python/openrag_sdk/client.py
@@ -15,6 +15,7 @@ from .exceptions import (
     ServerError,
     ValidationError,
 )
+from .knowledge_filters import KnowledgeFiltersClient
 from .search import SearchClient
 
 
@@ -26,7 +27,7 @@ class SettingsClient:
 
     async def get(self):
         """
-        Get current OpenRAG configuration (read-only).
+        Get current OpenRAG configuration.
 
         Returns:
             SettingsResponse with agent and knowledge settings.
@@ -37,6 +38,27 @@ class SettingsClient:
         data = response.json()
         return SettingsResponse(**data)
 
+    async def update(self, options):
+        """
+        Update OpenRAG configuration.
+
+        Args:
+            options: SettingsUpdateOptions or dict with settings to update.
+
+        Returns:
+            SettingsUpdateResponse with success message.
+        """
+        from .models import SettingsUpdateOptions, SettingsUpdateResponse
+
+        if isinstance(options, SettingsUpdateOptions):
+            body = options.model_dump(exclude_none=True)
+        else:
+            body = {k: v for k, v in options.items() if v is not None}
+
+        response = await self._client._request("POST", "/settings", json=body)
+        data = response.json()
+        return SettingsUpdateResponse(message=data.get("message", "Settings updated"))
+
 
 class OpenRAGClient:
     """
@@ -110,6 +132,7 @@ class OpenRAGClient:
         self.search = SearchClient(self)
         self.documents = DocumentsClient(self)
         self.settings = SettingsClient(self)
+        self.knowledge_filters = KnowledgeFiltersClient(self)
 
     @property
     def _headers(self) -> dict[str, str]:
diff --git a/sdks/python/openrag_sdk/knowledge_filters.py b/sdks/python/openrag_sdk/knowledge_filters.py
new file mode 100644
index 00000000..557bae5a
--- /dev/null
+++ b/sdks/python/openrag_sdk/knowledge_filters.py
@@ -0,0 +1,230 @@
+"""OpenRAG SDK knowledge filters client."""
+
+import json
+from typing import TYPE_CHECKING, Any
+
+from .models import (
+    CreateKnowledgeFilterOptions,
+    CreateKnowledgeFilterResponse,
+    DeleteKnowledgeFilterResponse,
+    GetKnowledgeFilterResponse,
+    KnowledgeFilter,
+    KnowledgeFilterQueryData,
+    KnowledgeFilterSearchResponse,
+    UpdateKnowledgeFilterOptions,
+)
+
+if TYPE_CHECKING:
+    from .client import OpenRAGClient
+
+
+class KnowledgeFiltersClient:
+    """Client for knowledge filter operations."""
+
+    def __init__(self, client: "OpenRAGClient"):
+        self._client = client
+
+    async def create(
+        self,
+        options: CreateKnowledgeFilterOptions | dict[str, Any],
+    ) -> CreateKnowledgeFilterResponse:
+        """
+        Create a new knowledge filter.
+
+        Args:
+            options: The filter options including name and query_data.
+
+        Returns:
+            The created filter response with ID.
+        """
+        if isinstance(options, CreateKnowledgeFilterOptions):
+            name = options.name
+            description = options.description or ""
+            query_data = options.query_data
+        else:
+            name = options["name"]
+            description = options.get("description", "")
+            query_data = options.get("query_data") or options.get("queryData", {})
+
+        # Convert query_data to JSON string if it's a model
+        if isinstance(query_data, KnowledgeFilterQueryData):
+            query_data_str = query_data.model_dump_json(by_alias=True, exclude_none=True)
+        elif isinstance(query_data, dict):
+            query_data_str = json.dumps(query_data)
+        else:
+            query_data_str = str(query_data)
+
+        body = {
+            "name": name,
+            "description": description,
+            "queryData": query_data_str,
+        }
+
+        response = await self._client._request(
+            "POST",
+            "/knowledge-filter",
+            json=body,
+        )
+
+        data = response.json()
+        return CreateKnowledgeFilterResponse(
+            success=data.get("success", False),
+            id=data.get("id"),
+            error=data.get("error"),
+        )
+
+    async def search(
+        self,
+        query: str = "",
+        limit: int = 20,
+    ) -> list[KnowledgeFilter]:
+        """
+        Search for knowledge filters by name, description, or query content.
+
+        Args:
+            query: Optional search query text.
+            limit: Maximum number of results (default 20).
+
+        Returns:
+            List of matching knowledge filters.
+        """
+        body = {
+            "query": query,
+            "limit": limit,
+        }
+
+        response = await self._client._request(
+            "POST",
+            "/knowledge-filter/search",
+            json=body,
+        )
+
+        data = response.json()
+        if not data.get("success") or not data.get("filters"):
+            return []
+
+        return [self._parse_filter(f) for f in data["filters"]]
+
+    async def get(self, filter_id: str) -> KnowledgeFilter | None:
+        """
+        Get a specific knowledge filter by ID.
+
+        Args:
+            filter_id: The ID of the filter to retrieve.
+
+        Returns:
+            The knowledge filter or None if not found.
+        """
+        try:
+            response = await self._client._request(
+                "GET",
+                f"/knowledge-filter/{filter_id}",
+            )
+
+            data = response.json()
+            if not data.get("success") or not data.get("filter"):
+                return None
+
+            return self._parse_filter(data["filter"])
+        except Exception:
+            # Filter not found or other error
+            return None
+
+    async def update(
+        self,
+        filter_id: str,
+        options: UpdateKnowledgeFilterOptions | dict[str, Any],
+    ) -> bool:
+        """
+        Update an existing knowledge filter.
+
+        Args:
+            filter_id: The ID of the filter to update.
+            options: The fields to update.
+
+        Returns:
+            Success status.
+        """
+        body: dict[str, Any] = {}
+
+        if isinstance(options, UpdateKnowledgeFilterOptions):
+            if options.name is not None:
+                body["name"] = options.name
+            if options.description is not None:
+                body["description"] = options.description
+            if options.query_data is not None:
+                body["queryData"] = options.query_data.model_dump_json(
+                    by_alias=True, exclude_none=True
+                )
+        else:
+            if "name" in options:
+                body["name"] = options["name"]
+            if "description" in options:
+                body["description"] = options["description"]
+            query_data = options.get("query_data") or options.get("queryData")
+            if query_data is not None:
+                if isinstance(query_data, KnowledgeFilterQueryData):
+                    body["queryData"] = query_data.model_dump_json(
+                        by_alias=True, exclude_none=True
+                    )
+                elif isinstance(query_data, dict):
+                    body["queryData"] = json.dumps(query_data)
+                else:
+                    body["queryData"] = str(query_data)
+
+        response = await self._client._request(
+            "PUT",
+            f"/knowledge-filter/{filter_id}",
+            json=body,
+        )
+
+        data = response.json()
+        return data.get("success", False)
+
+    async def delete(self, filter_id: str) -> bool:
+        """
+        Delete a knowledge filter.
+
+        Args:
+            filter_id: The ID of the filter to delete.
+
+        Returns:
+            Success status.
+        """
+        response = await self._client._request(
+            "DELETE",
+            f"/knowledge-filter/{filter_id}",
+        )
+
+        data = response.json()
+        return data.get("success", False)
+
+    def _parse_filter(self, data: dict[str, Any]) -> KnowledgeFilter:
+        """Parse a filter from API response, handling JSON-stringified query_data."""
+        query_data = data.get("query_data") or data.get("queryData")
+        if isinstance(query_data, str):
+            try:
+                query_data = json.loads(query_data)
+            except json.JSONDecodeError:
+                query_data = {}
+
+        parsed_query_data = None
+        if query_data:
+            parsed_query_data = KnowledgeFilterQueryData(
+                query=query_data.get("query"),
+                filters=query_data.get("filters"),
+                limit=query_data.get("limit"),
+                score_threshold=query_data.get("scoreThreshold"),
+                color=query_data.get("color"),
+                icon=query_data.get("icon"),
+            )
+
+        return KnowledgeFilter(
+            id=data["id"],
+            name=data["name"],
+            description=data.get("description"),
+            query_data=parsed_query_data,
+            owner=data.get("owner"),
+            created_at=data.get("created_at") or data.get("createdAt"),
+            updated_at=data.get("updated_at") or data.get("updatedAt"),
+        )
diff --git a/sdks/python/openrag_sdk/models.py b/sdks/python/openrag_sdk/models.py
index 70e69abc..d65c98f1 100644
--- a/sdks/python/openrag_sdk/models.py
+++ b/sdks/python/openrag_sdk/models.py
@@ -158,3 +158,103 @@ class SearchFilters(BaseModel):
 
     data_sources: list[str] | None = None
     document_types: list[str] | None = None
+
+
+# Settings update models
+class SettingsUpdateOptions(BaseModel):
+    """Options for updating settings."""
+
+    llm_model: str | None = None
+    llm_provider: str | None = None
+    system_prompt: str | None = None
+    embedding_model: str | None = None
+    embedding_provider: str | None = None
+    chunk_size: int | None = None
+    chunk_overlap: int | None = None
+    table_structure: bool | None = None
+    ocr: bool | None = None
+    picture_descriptions: bool | None = None
+
+
+class SettingsUpdateResponse(BaseModel):
+    """Response from settings update."""
+
+    message: str
+
+
+# Knowledge filter models
+class KnowledgeFilterQueryData(BaseModel):
+    """Query configuration stored in a knowledge filter."""
+
+    query: str | None = None
+    filters: dict[str, list[str]] | None = None
+    limit: int | None = None
+    score_threshold: float | None = Field(default=None, alias="scoreThreshold")
+    color: str | None = None
+    icon: str | None = None
+
+    model_config = {"populate_by_name": True}
+
+
+class KnowledgeFilter(BaseModel):
+    """A knowledge filter definition."""
+
+    id: str
+    name: str
+    description: str | None = None
+    query_data: KnowledgeFilterQueryData | None = Field(default=None, alias="queryData")
+    owner: str | None = None
+    created_at: str | None = Field(default=None, alias="createdAt")
+    updated_at: str | None = Field(default=None, alias="updatedAt")
+
+    model_config = {"populate_by_name": True}
+
+
+class CreateKnowledgeFilterOptions(BaseModel):
+    """Options for creating a knowledge filter."""
+
+    name: str
+    description: str | None = None
+    query_data: KnowledgeFilterQueryData = Field(alias="queryData")
+
+    model_config = {"populate_by_name": True}
+
+
+class UpdateKnowledgeFilterOptions(BaseModel):
+    """Options for updating a knowledge filter."""
+
+    name: str | None = None
+    description: str | None = None
+    query_data: KnowledgeFilterQueryData | None = Field(default=None, alias="queryData")
+
+    model_config = {"populate_by_name": True}
+
+
+class CreateKnowledgeFilterResponse(BaseModel):
+    """Response from creating a knowledge filter."""
+
+    success: bool
+    id: str | None = None
+    error: str | None = None
+
+
+class KnowledgeFilterSearchResponse(BaseModel):
+    """Response from searching knowledge filters."""
+
+    success: bool
+    filters: list[KnowledgeFilter] = Field(default_factory=list)
+
+
+class GetKnowledgeFilterResponse(BaseModel):
+    """Response from getting a knowledge filter."""
+
+    success: bool
+    filter: KnowledgeFilter | None = None
+    error: str | None = None
+
+
+class DeleteKnowledgeFilterResponse(BaseModel):
+    """Response from deleting a knowledge filter."""
+
+    success: bool
+    error: str | None = None
diff --git a/sdks/python/openrag_sdk/search.py b/sdks/python/openrag_sdk/search.py
index 86d6a8e8..d084840a 100644
--- a/sdks/python/openrag_sdk/search.py
+++ b/sdks/python/openrag_sdk/search.py
@@ -23,6 +23,7 @@ class SearchClient:
         filters: SearchFilters | dict[str, Any] | None = None,
         limit: int = 10,
         score_threshold: float = 0,
+        filter_id: str | None = None,
     ) -> SearchResponse:
         """
         Perform semantic search on documents.
@@ -32,6 +33,7 @@ class SearchClient:
             filters: Optional filters (data_sources, document_types).
             limit: Maximum number of results (default 10).
             score_threshold: Minimum score threshold (default 0).
+            filter_id: Optional knowledge filter ID to apply.
 
         Returns:
             SearchResponse containing the search results.
@@ -48,6 +50,9 @@ class SearchClient:
             else:
                 body["filters"] = filters
 
+        if filter_id:
+            body["filter_id"] = filter_id
+
         response = await self._client._request(
             "POST",
             "/api/v1/search",
diff --git a/sdks/python/tests/test_integration.py b/sdks/python/tests/test_integration.py
index 25a79f77..0280f33d 100644
--- a/sdks/python/tests/test_integration.py
+++ b/sdks/python/tests/test_integration.py
@@ -73,6 +73,124 @@ class TestSettings:
         assert settings.agent is not None
         assert settings.knowledge is not None
 
+    @pytest.mark.asyncio
+    async def test_update_settings(self, client):
+        """Test updating settings."""
+        # Get current settings first
+        current_settings = await client.settings.get()
+        current_chunk_size = current_settings.knowledge.chunk_size or 1000
+
+        # Update with the same value (safe for tests)
+        result = await client.settings.update({"chunk_size": current_chunk_size})
+
+        assert result.message is not None
+
+        # Verify the setting persisted
+        updated_settings = await client.settings.get()
+        assert updated_settings.knowledge.chunk_size == current_chunk_size
+
+
+class TestKnowledgeFilters:
+    """Test knowledge filter operations."""
+
+    @pytest.mark.asyncio
+    async def test_knowledge_filter_crud(self, client):
+        """Test create, read, update, delete for knowledge filters."""
+        # Create
+        create_result = await client.knowledge_filters.create({
+            "name": "Python SDK Test Filter",
+            "description": "Filter created by Python SDK integration tests",
+            "queryData": {
+                "query": "test documents",
+                "limit": 10,
+                "scoreThreshold": 0.5,
+            },
+        })
+
+        assert create_result.success is True
+        assert create_result.id is not None
+        filter_id = create_result.id
+
+        # Search
+        filters = await client.knowledge_filters.search("Python SDK Test")
+        assert isinstance(filters, list)
+        found = any(f.name == "Python SDK Test Filter" for f in filters)
+        assert found is True
+
+        # Get
+        filter_obj = await client.knowledge_filters.get(filter_id)
+        assert filter_obj is not None
+        assert filter_obj.id == filter_id
+        assert filter_obj.name == "Python SDK Test Filter"
+
+        # Update
+        update_success = await client.knowledge_filters.update(
+            filter_id,
+            {"description": "Updated description from Python SDK test"},
+        )
+        assert update_success is True
+
+        # Verify update
+        updated_filter = await client.knowledge_filters.get(filter_id)
+        assert updated_filter.description == "Updated description from Python SDK test"
+
+        # Delete
+        delete_success = await client.knowledge_filters.delete(filter_id)
+        assert delete_success is True
+
+        # Verify deletion
+        deleted_filter = await client.knowledge_filters.get(filter_id)
+        assert deleted_filter is None
+
+    @pytest.mark.asyncio
+    async def test_filter_id_in_chat(self, client):
+        """Test using filter_id in chat."""
+        # Create a filter first
+        create_result = await client.knowledge_filters.create({
+            "name": "Chat Test Filter Python",
+            "description": "Filter for testing chat with filter_id",
+            "queryData": {
+                "query": "test",
+                "limit": 5,
+            },
+        })
+        assert create_result.success is True
+        filter_id = create_result.id
+
+        try:
+            # Use filter in chat
+            response = await client.chat.create(
+                message="Hello with filter",
+                filter_id=filter_id,
+            )
+            assert response.response is not None
+        finally:
+            # Cleanup
+            await client.knowledge_filters.delete(filter_id)
+
+    @pytest.mark.asyncio
+    async def test_filter_id_in_search(self, client):
+        """Test using filter_id in search."""
+        # Create a filter first
+        create_result = await client.knowledge_filters.create({
+            "name": "Search Test Filter Python",
+            "description": "Filter for testing search with filter_id",
+            "queryData": {
+                "query": "test",
+                "limit": 5,
+            },
+        })
+        assert create_result.success is True
+        filter_id = create_result.id
+
+        try:
+            # Use filter in search
+            results = await client.search.query("test query", filter_id=filter_id)
+            assert results.results is not None
+        finally:
+            # Cleanup
+            await client.knowledge_filters.delete(filter_id)
+
 
 class TestDocuments:
     """Test document operations."""
@@ -222,3 +340,30 @@ class TestChat:
 
         assert result.conversations is not None
         assert isinstance(result.conversations, list)
+
+    @pytest.mark.asyncio
+    async def test_get_conversation(self, client):
+        """Test getting a specific conversation."""
+        # Create a conversation first
+        response = await client.chat.create(message="Test message for get.")
+        assert response.chat_id is not None
+
+        # Get the conversation
+        conversation = await client.chat.get(response.chat_id)
+
+        assert conversation.chat_id == response.chat_id
+        assert conversation.messages is not None
+        assert isinstance(conversation.messages, list)
+        assert len(conversation.messages) >= 1
+
+    @pytest.mark.asyncio
+    async def test_delete_conversation(self, client):
+        """Test deleting a conversation."""
+        # Create a conversation first
+        response = await client.chat.create(message="Test message for delete.")
+        assert response.chat_id is not None
+
+        # Delete the conversation
+        result = await client.chat.delete(response.chat_id)
+
+        assert result is True
diff --git a/sdks/typescript/src/chat.ts b/sdks/typescript/src/chat.ts
index 540722b5..edf5c5ac 100644
--- a/sdks/typescript/src/chat.ts
+++ b/sdks/typescript/src/chat.ts
@@ -75,6 +75,10 @@ export class ChatStream implements AsyncIterable<StreamEvent>, Disposable {
       body["filters"] = this.options.filters;
     }
 
+    if (this.options.filterId) {
+      body["filter_id"] = this.options.filterId;
+    }
+
     this._response = await this.client._request("POST", "/api/v1/chat", {
       body: JSON.stringify(body),
       stream: true,
@@ -218,6 +222,10 @@ export class ChatClient {
       body["filters"] = options.filters;
     }
 
+    if (options.filterId) {
+      body["filter_id"] = options.filterId;
+    }
+
     const response = await this.client._request("POST", "/api/v1/chat", {
       body: JSON.stringify(body),
     });
diff --git a/sdks/typescript/src/client.ts b/sdks/typescript/src/client.ts
index 2ea99b43..35cb32c0 100644
--- a/sdks/typescript/src/client.ts
+++ b/sdks/typescript/src/client.ts
@@ -5,6 +5,7 @@
 import { ChatClient } from "./chat";
 import { DocumentsClient } from "./documents";
 import { SearchClient } from "./search";
+import { KnowledgeFiltersClient } from "./knowledge-filters";
 import {
   AuthenticationError,
   NotFoundError,
@@ -13,6 +14,8 @@ import {
   RateLimitError,
   ServerError,
   SettingsResponse,
+  SettingsUpdateOptions,
+  SettingsUpdateResponse,
   ValidationError,
 } from "./types";
 
@@ -31,7 +34,7 @@ class SettingsClient {
   constructor(private client: OpenRAGClient) {}
 
   /**
-   * Get current OpenRAG configuration (read-only).
+   * Get current OpenRAG configuration.
    */
   async get(): Promise<SettingsResponse> {
     const response = await this.client._request("GET", "/api/v1/settings");
@@ -41,6 +44,22 @@ class SettingsClient {
       knowledge: data.knowledge || {},
     };
   }
+
+  /**
+   * Update OpenRAG configuration.
+   *
+   * @param options - The settings to update.
+   * @returns Success response with message.
+   */
+  async update(options: SettingsUpdateOptions): Promise<SettingsUpdateResponse> {
+    const response = await this.client._request("POST", "/settings", {
+      body: JSON.stringify(options),
+    });
+    const data = await response.json();
+    return {
+      message: data.message || "Settings updated",
+    };
+  }
 }
 
 interface RequestOptions {
@@ -84,6 +103,8 @@ export class OpenRAGClient {
   readonly documents: DocumentsClient;
   /** Settings client for configuration. */
   readonly settings: SettingsClient;
+  /** Knowledge filters client for managing filters. */
+  readonly knowledgeFilters: KnowledgeFiltersClient;
 
   constructor(options: OpenRAGClientOptions = {}) {
     // Resolve API key from argument or environment
@@ -108,6 +129,7 @@ export class OpenRAGClient {
     this.search = new SearchClient(this);
     this.documents = new DocumentsClient(this);
     this.settings = new SettingsClient(this);
+    this.knowledgeFilters = new KnowledgeFiltersClient(this);
   }
 
   /** @internal Get request headers with authentication. */
diff --git a/sdks/typescript/src/index.ts b/sdks/typescript/src/index.ts
index 81f4f377..3283f118 100644
--- a/sdks/typescript/src/index.ts
+++ b/sdks/typescript/src/index.ts
@@ -37,6 +37,7 @@ export { OpenRAGClient } from "./client";
 export { ChatClient, ChatStream } from "./chat";
 export { SearchClient } from "./search";
 export { DocumentsClient } from "./documents";
+export { KnowledgeFiltersClient } from "./knowledge-filters";
 
 export {
   // Error types
@@ -71,6 +72,17 @@ export {
   Message,
   // Settings types
   SettingsResponse,
+  SettingsUpdateOptions,
+  SettingsUpdateResponse,
   AgentSettings,
   KnowledgeSettings,
+  // Knowledge filter types
+  KnowledgeFilter,
+  KnowledgeFilterQueryData,
+  CreateKnowledgeFilterOptions,
+  UpdateKnowledgeFilterOptions,
+  CreateKnowledgeFilterResponse,
+  KnowledgeFilterSearchResponse,
+  GetKnowledgeFilterResponse,
+  DeleteKnowledgeFilterResponse,
 } from "./types";
diff --git a/sdks/typescript/src/knowledge-filters.ts b/sdks/typescript/src/knowledge-filters.ts
new file mode 100644
index 00000000..ac2e360d
--- /dev/null
+++ b/sdks/typescript/src/knowledge-filters.ts
@@ -0,0 +1,177 @@
+/**
+ * OpenRAG SDK knowledge filters client.
+ */
+
+import type { OpenRAGClient } from "./client";
+import type {
+  CreateKnowledgeFilterOptions,
+  CreateKnowledgeFilterResponse,
+  DeleteKnowledgeFilterResponse,
+  GetKnowledgeFilterResponse,
+  KnowledgeFilter,
+  KnowledgeFilterSearchResponse,
+  UpdateKnowledgeFilterOptions,
+} from "./types";
+
+export class KnowledgeFiltersClient {
+  constructor(private client: OpenRAGClient) {}
+
+  /**
+   * Create a new knowledge filter.
+   *
+   * @param options - The filter options including name and queryData.
+   * @returns The created filter response with ID.
+   */
+  async create(
+    options: CreateKnowledgeFilterOptions
+  ): Promise<CreateKnowledgeFilterResponse> {
+    const body = {
+      name: options.name,
+      description: options.description ?? "",
+      queryData: JSON.stringify(options.queryData),
+    };
+
+    const response = await this.client._request("POST", "/knowledge-filter", {
+      body: JSON.stringify(body),
+    });
+
+    const data = await response.json();
+    return {
+      success: data.success ?? false,
+      id: data.id,
+      error: data.error,
+    };
+  }
+
+  /**
+   * Search for knowledge filters by name, description, or query content.
+   *
+   * @param query - Optional search query text.
+   * @param limit - Maximum number of results (default 20).
+   * @returns List of matching knowledge filters.
+   */
+  async search(query?: string, limit?: number): Promise<KnowledgeFilter[]> {
+    const body = {
+      query: query ?? "",
+      limit: limit ?? 20,
+    };
+
+    const response = await this.client._request(
+      "POST",
+      "/knowledge-filter/search",
+      {
+        body: JSON.stringify(body),
+      }
+    );
+
+    const data = (await response.json()) as KnowledgeFilterSearchResponse;
+    if (!data.success || !data.filters) {
+      return [];
+    }
+
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    return data.filters.map((f: any) => this._parseFilter(f));
+  }
+
+  /**
+   * Get a specific knowledge filter by ID.
+   *
+   * @param filterId - The ID of the filter to retrieve.
+   * @returns The knowledge filter or null if not found.
+   */
+  async get(filterId: string): Promise<KnowledgeFilter | null> {
+    try {
+      const response = await this.client._request(
+        "GET",
+        `/knowledge-filter/${filterId}`
+      );
+
+      const data = (await response.json()) as GetKnowledgeFilterResponse;
+      if (!data.success || !data.filter) {
+        return null;
+      }
+
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      return this._parseFilter(data.filter as any);
+    } catch {
+      // Filter not found or other error
+      return null;
+    }
+  }
+
+  /**
+   * Update an existing knowledge filter.
+   *
+   * @param filterId - The ID of the filter to update.
+   * @param options - The fields to update.
+   * @returns Success status.
+   */
+  async update(
+    filterId: string,
+    options: UpdateKnowledgeFilterOptions
+  ): Promise<boolean> {
+    const body: Record<string, unknown> = {};
+
+    if (options.name !== undefined) {
+      body["name"] = options.name;
+    }
+    if (options.description !== undefined) {
+      body["description"] = options.description;
+    }
+    if (options.queryData !== undefined) {
+      body["queryData"] = JSON.stringify(options.queryData);
+    }
+
+    const response = await this.client._request(
+      "PUT",
+      `/knowledge-filter/${filterId}`,
+      {
+        body: JSON.stringify(body),
+      }
+    );
+
+    const data = await response.json();
+    return data.success ?? false;
+  }
+
+  /**
+   * Delete a knowledge filter.
+   *
+   * @param filterId - The ID of the filter to delete.
+   * @returns Success status.
+   */
+  async delete(filterId: string): Promise<boolean> {
+    const response = await this.client._request(
+      "DELETE",
+      `/knowledge-filter/${filterId}`
+    );
+
+    const data = (await response.json()) as DeleteKnowledgeFilterResponse;
+    return data.success ?? false;
+  }
+
+  /**
+   * Parse a filter from API response, handling JSON-stringified queryData.
+   */
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  private _parseFilter(filter: any): KnowledgeFilter {
+    let queryData = filter["query_data"] ?? filter["queryData"];
+    if (typeof queryData === "string") {
+      try {
+        queryData = JSON.parse(queryData);
+      } catch {
+        queryData = {};
+      }
+    }
+
+    return {
+      id: filter["id"] as string,
+      name: filter["name"] as string,
+      description: filter["description"],
+      queryData: queryData as KnowledgeFilter["queryData"],
+      owner: filter["owner"],
+      createdAt: filter["created_at"] ?? filter["createdAt"],
+      updatedAt: filter["updated_at"] ?? filter["updatedAt"],
+    };
+  }
+}
diff --git a/sdks/typescript/src/search.ts b/sdks/typescript/src/search.ts
index 09d2d57e..c8488e8b 100644
--- a/sdks/typescript/src/search.ts
+++ b/sdks/typescript/src/search.ts
@@ -29,6 +29,10 @@ export class SearchClient {
       body["filters"] = options.filters;
     }
 
+    if (options?.filterId) {
+      body["filter_id"] = options.filterId;
+    }
+
     const response = await this.client._request("POST", "/api/v1/search", {
       body: JSON.stringify(body),
     });
diff --git a/sdks/typescript/src/types.ts b/sdks/typescript/src/types.ts
index 9ee40a72..7a4b73b8 100644
--- a/sdks/typescript/src/types.ts
+++ b/sdks/typescript/src/types.ts
@@ -117,6 +117,114 @@ export interface SettingsResponse {
   knowledge: KnowledgeSettings;
 }
 
+/** Options for updating settings. */
+export interface SettingsUpdateOptions {
+  /** LLM model name. */
+  llm_model?: string;
+  /** LLM provider (openai, anthropic, watsonx, ollama). */
+  llm_provider?: string;
+  /** System prompt for the agent. */
+  system_prompt?: string;
+  /** Embedding model name. */
+  embedding_model?: string;
+  /** Embedding provider (openai, watsonx, ollama). */
+  embedding_provider?: string;
+  /** Chunk size for document splitting. */
+  chunk_size?: number;
+  /** Chunk overlap for document splitting. */
+  chunk_overlap?: number;
+  /** Enable table structure parsing. */
+  table_structure?: boolean;
+  /** Enable OCR for text extraction. */
+  ocr?: boolean;
+  /** Enable picture descriptions. */
+  picture_descriptions?: boolean;
+}
+
+/** Response from settings update. */
+export interface SettingsUpdateResponse {
+  message: string;
+}
+
+// Knowledge filter types
+/** Query configuration stored in a knowledge filter. */
+export interface KnowledgeFilterQueryData {
+  /** Semantic search query text. */
+  query?: string;
+  /** Filter criteria for documents. */
+  filters?: {
+    data_sources?: string[];
+    document_types?: string[];
+    owners?: string[];
+    connector_types?: string[];
+  };
+  /** Maximum number of results. */
+  limit?: number;
+  /** Minimum relevance score threshold. */
+  scoreThreshold?: number;
+  /** UI color for the filter. */
+  color?: string;
+  /** UI icon for the filter. */
+  icon?: string;
+}
+
+/** A knowledge filter definition. */
+export interface KnowledgeFilter {
+  id: string;
+  name: string;
+  description?: string;
+  queryData: KnowledgeFilterQueryData;
+  owner?: string;
+  createdAt?: string;
+  updatedAt?: string;
+}
+
+/** Options for creating a knowledge filter. */
+export interface CreateKnowledgeFilterOptions {
+  /** Filter name (required). */
+  name: string;
+  /** Filter description. */
+  description?: string;
+  /** Query configuration for the filter. */
+  queryData: KnowledgeFilterQueryData;
+}
+
+/** Options for updating a knowledge filter. */
+export interface UpdateKnowledgeFilterOptions {
+  /** New filter name. */
+  name?: string;
+  /** New filter description. */
+  description?: string;
+  /** New query configuration. */
+  queryData?: KnowledgeFilterQueryData;
+}
+
+/** Response from creating a knowledge filter. */
+export interface CreateKnowledgeFilterResponse {
+  success: boolean;
+  id?: string;
+  error?: string;
+}
+
+/** Response from searching knowledge filters. */
+export interface KnowledgeFilterSearchResponse {
+  success: boolean;
+  filters: KnowledgeFilter[];
+}
+
+/** Response from getting a knowledge filter. */
+export interface GetKnowledgeFilterResponse {
+  success: boolean;
+  filter?: KnowledgeFilter;
+  error?: string;
+}
+
+/** Response from deleting a knowledge filter. */
+export interface DeleteKnowledgeFilterResponse {
+  success: boolean;
+  error?: string;
+}
+
 // Client options
 export interface OpenRAGClientOptions {
   /** API key for authentication. Falls back to OPENRAG_API_KEY env var. */
@@ -135,6 +243,8 @@ export interface ChatCreateOptions {
   filters?: SearchFilters;
   limit?: number;
   scoreThreshold?: number;
+  /** Knowledge filter ID to apply to the chat. */
+  filterId?: string;
 }
 
 export interface SearchQueryOptions {
@@ -142,6 +252,8 @@ export interface SearchQueryOptions {
   filters?: SearchFilters;
   limit?: number;
   scoreThreshold?: number;
+  /** Knowledge filter ID to apply to the search. */
+  filterId?: string;
 }
 
 // Error types
diff --git a/sdks/typescript/tests/integration.test.ts b/sdks/typescript/tests/integration.test.ts
index 23eb3755..feececa0 100644
--- a/sdks/typescript/tests/integration.test.ts
+++ b/sdks/typescript/tests/integration.test.ts
@@ -75,6 +75,139 @@ describe.skipIf(SKIP_TESTS)("OpenRAG TypeScript SDK Integration", () => {
       expect(settings.agent).toBeDefined();
       expect(settings.knowledge).toBeDefined();
     });
+
+    it("should update settings", async () => {
+      // Get current settings first
+      const currentSettings = await client.settings.get();
+      const currentChunkSize = currentSettings.knowledge.chunk_size || 1000;
+
+      // Update with a new value
+      const result = await client.settings.update({
+        chunk_size: currentChunkSize,
+      });
+
+      expect(result.message).toBeDefined();
+
+      // Verify the setting persisted
+      const updatedSettings = await client.settings.get();
+      expect(updatedSettings.knowledge.chunk_size).toBe(currentChunkSize);
+    });
+  });
+
+  describe("Knowledge Filters", () => {
+    let createdFilterId: string;
+
+    it("should create a knowledge filter", async () => {
+      const result = await client.knowledgeFilters.create({
+        name: "SDK Test Filter",
+        description: "Filter created by TypeScript SDK integration tests",
+        queryData: {
+          query: "test documents",
+          limit: 10,
+          scoreThreshold: 0.5,
+        },
+      });
+
+      expect(result.success).toBe(true);
+      expect(result.id).toBeDefined();
+      createdFilterId = result.id!;
+    });
+
+    it("should search knowledge filters", async () => {
+      const filters = await client.knowledgeFilters.search("SDK Test");
+
+      expect(Array.isArray(filters)).toBe(true);
+      // Should find the filter we created
+      const found = filters.some((f) => f.name === "SDK Test Filter");
+      expect(found).toBe(true);
+    });
+
+    it("should get a knowledge filter by ID", async () => {
+      expect(createdFilterId).toBeDefined();
+
+      const filter = await client.knowledgeFilters.get(createdFilterId);
+
+      expect(filter).not.toBeNull();
+      expect(filter!.id).toBe(createdFilterId);
+      expect(filter!.name).toBe("SDK Test Filter");
+    });
+
+    it("should update a knowledge filter", async () => {
+      expect(createdFilterId).toBeDefined();
+
+      const success = await client.knowledgeFilters.update(createdFilterId, {
+        description: "Updated description from SDK test",
+      });
+
+      expect(success).toBe(true);
+
+      // Verify the update
+      const filter = await client.knowledgeFilters.get(createdFilterId);
+      expect(filter!.description).toBe("Updated description from SDK test");
+    });
+
+    it("should delete a knowledge filter", async () => {
+      expect(createdFilterId).toBeDefined();
+
+      const success = await client.knowledgeFilters.delete(createdFilterId);
+
+      expect(success).toBe(true);
+
+      // Verify deletion
+      const filter = await client.knowledgeFilters.get(createdFilterId);
+      expect(filter).toBeNull();
+    });
+
+    it("should use filterId in chat", async () => {
+      // Create a filter first
+      const createResult = await client.knowledgeFilters.create({
+        name: "Chat Test Filter",
+        description: "Filter for testing chat with filterId",
+        queryData: {
+          query: "test",
+          limit: 5,
+        },
+      });
+      expect(createResult.success).toBe(true);
+      const filterId = createResult.id!;
+
+      try {
+        // Use filter in chat
+        const response = await client.chat.create({
+          message: "Hello with filter",
+          filterId,
+        });
+
+        expect(response.response).toBeDefined();
+      } finally {
+        // Cleanup
+        await client.knowledgeFilters.delete(filterId);
+      }
+    });
+
+    it("should use filterId in search", async () => {
+      // Create a filter first
+      const createResult = await client.knowledgeFilters.create({
+        name: "Search Test Filter",
+        description: "Filter for testing search with filterId",
+        queryData: {
+          query: "test",
+          limit: 5,
+        },
+      });
+      expect(createResult.success).toBe(true);
+      const filterId = createResult.id!;
+
+      try {
+        // Use filter in search
+        const results = await client.search.query("test query", { filterId });
+
+        expect(results.results).toBeDefined();
+      } finally {
+        // Cleanup
+        await client.knowledgeFilters.delete(filterId);
+      }
+    });
   });
 
   describe("Documents", () => {
@@ -221,5 +354,34 @@ describe.skipIf(SKIP_TESTS)("OpenRAG TypeScript SDK Integration", () => {
       expect(result.conversations).toBeDefined();
       expect(Array.isArray(result.conversations)).toBe(true);
     });
+
+    it("should get a specific conversation", async () => {
+      // Create a conversation first
+      const response = await client.chat.create({
+        message: "Test message for get.",
+      });
+      expect(response.chatId).toBeDefined();
+
+      // Get the conversation
+      const conversation = await client.chat.get(response.chatId!);
+
+      expect(conversation.chatId).toBe(response.chatId);
+      expect(conversation.messages).toBeDefined();
+      expect(Array.isArray(conversation.messages)).toBe(true);
+      expect(conversation.messages.length).toBeGreaterThanOrEqual(1);
+    });
+
+    it("should delete a conversation", async () => {
+      // Create a conversation first
+      const response = await client.chat.create({
+        message: "Test message for delete.",
+      });
+      expect(response.chatId).toBeDefined();
+
+      // Delete the conversation
+      const result = await client.chat.delete(response.chatId!);
+
+      expect(result).toBe(true);
+    });
   });
 });