fixed documentation search tool

Author: Amper

cmd/mcp-victorialogs/resources/docs.go

@@ -27,6 +27,7 @@ const (
 var (
 searchIndex bleve.Index
 resources map[string]mcp.Resource
+contents map[string]mcp.ResourceContents
 )
 
 func RegisterDocsResources(s *server.MCPServer, _ *config.Config) {
@@ -41,6 +42,7 @@ func RegisterDocsResources(s *server.MCPServer, _ *config.Config) {
 log.Fatal(fmt.Errorf("error listing docs files: %w", err))
 }
 resources = make(map[string]mcp.Resource, len(docFiles))
+contents = make(map[string]mcp.ResourceContents, len(docFiles))
 for _, docFile := range docFiles {
 resourceURI := fmt.Sprintf("%s%s#%d", docsURIPrefix, docFile.Path, docFile.ChunkNum)
 resource := mcp.NewResource(
@@ -52,6 +54,11 @@ func RegisterDocsResources(s *server.MCPServer, _ *config.Config) {
 s.AddResource(resource, docResourcesHandler)
 
 resources[resourceURI] = resource
+contents[resourceURI] = mcp.TextResourceContents{
+URI: resourceURI,
+MIMEType: "text/markdown",
+Text: docFile.Content,
+}
 if err = searchIndex.Index(resourceURI, docFile); err != nil {
 log.Fatal(fmt.Errorf("error indexing file %s: %w", docFile.Path, err))
 }
@@ -90,16 +97,12 @@ func docResourcesHandler(_ context.Context, rrr mcp.ReadResourceRequest) ([]mcp.
 }
 
 func GetDocResourceContent(uri string) (mcp.ResourceContents, error) {
-path := strings.TrimPrefix(uri, docsURIPrefix)
-content, err := GetDocFileContent(path)
-if err != nil {
-return nil, fmt.Errorf("error reading file %s: %w", path, err)
+content, ok := contents[uri]
+if !ok {
+return nil, fmt.Errorf("resource not found: %s", uri)
+
 }
-return mcp.TextResourceContents{
-URI: uri,
-MIMEType: "text/markdown",
-Text: content,
-}, nil
+return content, nil
 }
 
 func GetDocFileContent(path string) (string, error) {