diff --git a/README.md b/README.md
index bc3a9567..873364f4 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@ Retrieval-Augmented Generation (RAG) library on SQLite.
 
 - **Local SQLite**: No external servers required
 - **Multiple embedding providers**: Ollama, VoyageAI, OpenAI
+- **Multiple QA providers**: Ollama, OpenAI, Anthropic
 - **Hybrid search**: Vector + full-text search with Reciprocal Rank Fusion
 - **Question answering**: Built-in QA agents on your documents
 - **File monitoring**: Auto-index files when run as server
diff --git a/docs/configuration.md b/docs/configuration.md
index cae8a1dd..a9846508 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -84,6 +84,22 @@ QA_MODEL="gpt-4o-mini"  # or gpt-4, gpt-3.5-turbo, etc.
 OPENAI_API_KEY="your-api-key"
 ```
 
+### Anthropic
+
+For Anthropic QA, you need to install haiku.rag with Anthropic extras:
+
+```bash
+uv pip install haiku.rag --extra anthropic
+```
+
+Then configure:
+
+```bash
+QA_PROVIDER="anthropic"
+QA_MODEL="claude-3-5-haiku-20241022"  # or claude-3-5-sonnet-20241022, etc.
+ANTHROPIC_API_KEY="your-api-key"
+```
+
 ## Other Settings
 
 ### Database and Storage
diff --git a/docs/index.md b/docs/index.md
index 66117c63..19da8d6d 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -8,7 +8,7 @@
 - **Local SQLite**: No need to run additional servers
 - **Support for various embedding providers**: Ollama, VoyageAI, OpenAI or add your own
 - **Hybrid Search**: Vector search using `sqlite-vec` combined with full-text search `FTS5`, using Reciprocal Rank Fusion
-- **Question Answering**: Built-in QA agents using Ollama or OpenAI.
+- **Question Answering**: Built-in QA agents using Ollama, OpenAI, or Anthropic.
 - **File monitoring**: Automatically index files when run as a server
 - **Extended file format support**: Parse 40+ file formats including PDF, DOCX, HTML, Markdown, audio and more. Or add a URL!
 - **MCP server**: Exposes functionality as MCP tools
diff --git a/docs/installation.md b/docs/installation.md
index b3da3847..fd5eb509 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -24,6 +24,12 @@ uv pip install haiku.rag --extra voyageai
 uv pip install haiku.rag --extra openai
 ```
 
+### Anthropic
+
+```bash
+uv pip install haiku.rag --extra anthropic
+```
+
 ## Requirements
 
 - Python 3.10+