feat: [RM-320]: Add a new tool call for release management in cd and prompt for the same. (#112)

Author: sahilhindwani-harness

pkg/harness/prompts/prompts.go

@@ -34,5 +34,12 @@ func RegisterPrompts(mcpServer *server.MCPServer) {
 			  }`).
 			Build())
 
+	prompts.Append(
+		p.NewPrompt().SetName("ask_release_agent_prompt").
+			SetDescription("Prompt for the Ask Release Agent tool").
+			SetResultDescription("Ask Release Agent prompt").
+			SetText(`{"standard": "When calling ask_release_agent, ensure you have the required parameters for release process operations:\n- First, clarify the user's release requirements; echo back your understanding before calling the tool.\n- Include relevant context for release processes, such as:\n  - Release process requirements\n- The RMG AI DevOps Agent specializes in creating release processes and will automatically use the CREATE_PROCESS action.\n- Provide detailed requirements to get the most accurate release process configuration.\n- Do not use the words \"pipeline\" or \"stages\" in your response."}`).
+			Build())
+
 	p.AddPrompts(prompts, mcpServer)
 }

pkg/harness/tools.go

@@ -271,6 +271,9 @@ func initLegacyToolsets(config *config.Config, tsg *toolsets.ToolsetGroup) error
 			if err := modules.RegisterInfrastructure(config, tsg); err != nil {
 				return err
 			}
+			if err := modules.RegisterReleaseManagementTools(config, tsg); err != nil {
+				return err
+			}
 			if err := modules.RegisterACM(config, tsg); err != nil {
 				return err
 			}
@@ -382,6 +385,10 @@ func initLegacyToolsets(config *config.Config, tsg *toolsets.ToolsetGroup) error
 					if err := modules.RegisterInfrastructure(config, tsg); err != nil {
 						return err
 					}
+				case "release_management":
+					if err := modules.RegisterReleaseManagementTools(config, tsg); err != nil {
+						return err
+					}
 				case "acm":
 					if err := modules.RegisterACM(config, tsg); err != nil {
 						return err

pkg/harness/tools/rmg.go

@@ -0,0 +1,36 @@
+package tools
+
+import (
+	"github.com/harness/harness-mcp/client"
+	"github.com/harness/harness-mcp/client/dto"
+	"github.com/harness/harness-mcp/cmd/harness-mcp-server/config"
+	"github.com/harness/harness-mcp/pkg/harness/common"
+	"github.com/mark3labs/mcp-go/mcp"
+	"github.com/mark3labs/mcp-go/server"
+)
+
+// AskReleaseAgentTool creates a tool for Ask Release Agent with CREATE_PROCESS action
+func AskReleaseAgentTool(config *config.Config, client *client.GenaiService) (tool mcp.Tool, handler server.ToolHandlerFunc) {
+	// Get common parameters
+	commonParams := getCommonGenAIParameters()
+
+	// Add tool-specific parameters (removing action since it's hardcoded)
+	toolParams := append(commonParams,
+		common.WithScope(config, false),
+	)
+
+	tool = mcp.NewTool("ask_release_agent",
+		append([]mcp.ToolOption{mcp.WithDescription("The Ask Release Agent is an expert in planning and executing requests related to generation/updation of Harness release processes. ALWAYS PASS ORIGINAL PROMPT FROM USER TO THIS.")},
+			toolParams...)...,
+	)
+
+	handler = createGenAIToolHandler(config, client, func(baseParams *dto.BaseRequestParameters, request mcp.CallToolRequest) (interface{}, error) {
+		// Create the service chat parameters
+		return &dto.ServiceChatParameters{
+			BaseRequestParameters: *baseParams,
+			Action:                dto.RequestAction("CREATE_PROCESS"),
+		}, nil
+	})
+
+	return tool, handler
+}

pkg/modules/cd.go

@@ -38,6 +38,7 @@ func (m *CDModule) Toolsets() []string {
 		"services",
 		"environments",
 		"infrastructure",
+		"release_management",
 	}
 }
 
@@ -57,6 +58,10 @@ func (m *CDModule) RegisterToolsets() error {
 			if err := RegisterInfrastructure(m.config, m.tsg); err != nil {
 				return err
 			}
+		case "release_management":
+			if err := RegisterReleaseManagementTools(m.config, m.tsg); err != nil {
+				return err
+			}
 		}
 	}
 	return nil
@@ -154,3 +159,27 @@ func RegisterEnvironments(config *config.Config, tsg *toolsets.ToolsetGroup) err
 	tsg.AddToolset(environments)
 	return nil
 }
+
+// RegisterReleaseManagementTools registers the Release Management tools
+func RegisterReleaseManagementTools(config *config.Config, tsg *toolsets.ToolsetGroup) error {
+	// Skip registration for external mode for now
+	if !config.Internal {
+		return nil
+	}
+
+	// Get the GenAI client
+	genaiClient, err := GetGenAIClient(config)
+	if err != nil {
+		return err
+	}
+
+	// Create the Ask Release Agent toolset
+	askReleaseAgent := toolsets.NewToolset("release_management", "Release Management tools").
+		AddReadTools(
+			toolsets.NewServerTool(tools.AskReleaseAgentTool(config, genaiClient)),
+		)
+
+	// Add toolset to the group
+	tsg.AddToolset(askReleaseAgent)
+	return nil
+}