Remove content fallback, fix README tool docs

- Drop the content alias from store_knowledge handler
- Fix error message to say 'note' only
- Correct README store_knowledge params to match actual API
- Fix EMBEDDING_BASE_URL default (no /v1 suffix)

README.md

@@ -6,12 +6,16 @@ database and OpenAI embeddings.
 ## Tools
 
 ### `store_knowledge`
-Store text with optional metadata. Automatically generates embeddings via
+Store a piece of knowledge for later retrieval. Automatically generates
-OpenAI and persists them in Qdrant.
+embeddings via OpenAI and persists them in Qdrant.
 
 Parameters:
-- `content` (string, required): Text content to store
+- `note` (string, required): The markdown body
-- `metadata` (object, optional): Arbitrary key-value pairs
+- `repos` (array of string, optional): Repository names
+- `host` (string, optional): Hostname or null if universal
+- `tags` (array of string, optional): Tags
+- `user` (string, optional): User identifier
+- `context` (string, optional): What triggered this
 
 ### `search_knowledge`
 Semantic search across stored knowledge.
@@ -35,7 +39,7 @@ QDRANT_PORT=6334                # Optional: Qdrant gRPC port (default: 6334)
 QDRANT_API_KEY=                 # Optional: Qdrant API key
 QDRANT_TLS=false                # Optional: Enable TLS
 OPENAI_API_KEY=sk-...           # Required: API key (OpenAI or DeepSeek)
-EMBEDDING_BASE_URL=https://api.openai.com/v1  # Optional: base URL (OpenAI by default)
+EMBEDDING_BASE_URL=https://api.openai.com     # Optional: base URL (OpenAI by default)
 EMBEDDING_MODEL=text-embedding-3-small  # Optional: embedding model
 MCP_TOKEN=my-secret-token       # Required: Bearer token for auth
 PORT=8080                       # Optional: HTTP port (default: 8080)

main.go

@@ -172,11 +172,7 @@ func handleStoreKnowledge(sqlite *sqliteStore, qdrant *qdrantStore, logger *zap.
 
 		note, ok := args["note"].(string)
 		if !ok || note == "" {
-			if content, ok := args["content"].(string); ok && content != "" {
+			return mcp.NewToolResultError("note is required and must be a non-empty string"), nil
-				note = content
-			} else {
-				return mcp.NewToolResultError("note (or content) is required and must be a non-empty string"), nil
-			}
 		}
 
 		repos := parseStringSlice(args["repos"])