docs: improve SEO metadata across docs pages

docs/open-source/features/async-memory.mdx

@@ -1,6 +1,6 @@
 ---
 title: Async Memory
-description: Run Mem0 operations without blocking your event loop.
+description: Use AsyncMemory to add, search, update, and delete Mem0 OSS memories without blocking the event loop in FastAPI services, workers, or asyncio code.
 icon: "bolt"
 ---
 

docs/open-source/features/custom-instructions.mdx

@@ -1,6 +1,6 @@
 ---
 title: Custom Instructions
-description: Tailor fact extraction so Mem0 stores only the details you care about.
+description: Tailor Mem0 Open Source fact extraction with a self-hosted custom prompt and examples so the library stores only the conversation details you care about.
 icon: "wand-magic-sparkles"
 ---
 

docs/open-source/features/metadata-filtering.mdx

@@ -1,6 +1,6 @@
 ---
 title: Enhanced Metadata Filtering
-description: Fine-grained metadata queries for precise OSS memory retrieval.
+description: Run fine-grained metadata queries against Mem0 Open Source memories using comparisons, logical operators, and wildcards for precise agent retrieval.
 icon: "filter"
 ---
 

docs/open-source/features/multimodal-support.mdx

@@ -1,6 +1,6 @@
 ---
 title: Multimodal Support
-description: Capture and recall memories from both text and images.
+description: Extract searchable facts from images and text with self-hosted Mem0 so agents can recall receipts, screenshots, and product photos shared by users.
 icon: "image"
 ---
 

docs/open-source/features/openai_compatibility.mdx

@@ -1,6 +1,6 @@
 ---
 title: OpenAI Compatibility
-description: Use Mem0 with the same chat-completions flow you already built for OpenAI.
+description: Drop Mem0 into existing OpenAI chat-completion code using the same client interface, adding persistent memory across calls without changing requests.
 icon: "message-bot"
 ---
 

docs/open-source/features/overview.mdx

@@ -1,6 +1,6 @@
 ---
 title: "Overview"
-description: "Self-hosting features that extend Mem0 beyond basic memory storage"
+description: "Explore Mem0 Open Source features like async memory, multimodal inputs, rerankers, and metadata filters that adapt self-hosted memory for production."
 icon: "list"
 ---
 

docs/open-source/features/reranker-search.mdx

@@ -1,6 +1,6 @@
 ---
 title: Reranker-Enhanced Search
-description: Boost relevance by reordering vector hits with reranking models.
+description: Add a reranker pass on top of Mem0 vector search to reorder candidate memories with cross-encoder models and surface the most relevant context first.
 icon: "ranking-star"
 ---
 

docs/open-source/features/reranking.mdx

@@ -1,6 +1,6 @@
 ---
 title: Reranking
-description: 'Redirect to the canonical reranker-enhanced search guide.'
+description: 'Legacy reranking page that redirects to the canonical Mem0 reranker-enhanced search guide for updated setup steps, configuration, and examples.'
 ---
 
 <Redirect href="/open-source/features/reranker-search" />

docs/open-source/features/rest-api.mdx

@@ -1,6 +1,6 @@
 ---
 title: REST API Server
-description: Reach every Mem0 OSS capability through a FastAPI-powered REST layer.
+description: Run the FastAPI-powered Mem0 Open Source REST server to add, search, update, and delete memories over HTTP from any language or service in your stack.
 icon: "code"
 ---