improve descriptions

Author: isaacphi

cmd/server/tools.go

@@ -11,8 +11,8 @@ func (s *server) registerTools() error {
 
 err := s.mcpServer.RegisterTool(
 "read-definition",
-"Read the source code for a given symbol from the codebase",
-func(args tools.GetDefinitionArgs) (*mcp_golang.ToolResponse, error) {
+"Read the source code for a given symbol from the codebase.",
+func(args tools.ReadDefinitionArgs) (*mcp_golang.ToolResponse, error) {
 text, err := tools.ReadDefinition(s.ctx, s.lspClient, args)
 if err != nil {
 return nil, fmt.Errorf("Failed to get definition: %v", err)
@@ -25,7 +25,7 @@ func (s *server) registerTools() error {
 
 err = s.mcpServer.RegisterTool(
 "apply-text-edit",
-"Apply multiple text edits to a file.",
+"Apply multiple text edits to a file. WARNING: line numbers may change between calls to this tool.",
 func(args tools.ApplyTextEditArgs) (*mcp_golang.ToolResponse, error) {
 response, err := tools.ApplyTextEdits(args)
 if err != nil {

internal/tools/apply-text-edit.go

@@ -22,7 +22,7 @@ type TextEdit struct {
 Type TextEditType `json:"type" jsonschema:"required,enum=replace|insert|delete,description=Type of edit operation (replace, insert, delete)"`
 StartLine int `json:"startLine" jsonschema:"required,description=Start line to replace, inclusive"`
 EndLine int `json:"endLine" jsonschema:"required,description=End line to replace, inclusive"`
-NewText string `json:"newText" jsonschema:"description=Replacement text (optional)"`
+NewText string `json:"newText" jsonschema:"description=Replacement text. Leave blank to clear lines."`
 }
 
 type ApplyTextEditArgs struct {