first commit

server/router/mcp/prompts.go

@@ -0,0 +1,84 @@
+package mcp
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"github.com/mark3labs/mcp-go/mcp"
+	mcpserver "github.com/mark3labs/mcp-go/server"
+)
+
+func (s *MCPService) registerPrompts(mcpSrv *mcpserver.MCPServer) {
+	// capture — turns free-form user input into a structured create_memo call.
+	mcpSrv.AddPrompt(
+		mcp.NewPrompt("capture",
+			mcp.WithPromptDescription("Capture a thought, idea, or note as a new memo. "+
+				"Use this prompt when the user wants to quickly save something. "+
+				"The assistant will call create_memo with the provided content."),
+			mcp.WithArgument("content",
+				mcp.ArgumentDescription("The text to save as a memo"),
+				mcp.RequiredArgument(),
+			),
+			mcp.WithArgument("tags",
+				mcp.ArgumentDescription("Comma-separated tags to apply, e.g. \"work,project\""),
+			),
+		),
+		s.handleCapturePrompt,
+	)
+
+	// review — surfaces existing memos on a topic for summarisation.
+	mcpSrv.AddPrompt(
+		mcp.NewPrompt("review",
+			mcp.WithPromptDescription("Search and review memos on a given topic. "+
+				"The assistant will call search_memos and summarise the results."),
+			mcp.WithArgument("topic",
+				mcp.ArgumentDescription("Topic or keyword to search for"),
+				mcp.RequiredArgument(),
+			),
+		),
+		s.handleReviewPrompt,
+	)
+}
+
+func (*MCPService) handleCapturePrompt(_ context.Context, req mcp.GetPromptRequest) (*mcp.GetPromptResult, error) {
+	content := req.Params.Arguments["content"]
+	if content == "" {
+		return nil, errors.New("content argument is required")
+	}
+
+	tags := req.Params.Arguments["tags"]
+	instruction := fmt.Sprintf(
+		"Please save the following as a new private memo using the create_memo tool.\n\nContent:\n%s",
+		content,
+	)
+	if tags != "" {
+		instruction += fmt.Sprintf("\n\nAppend these tags inline using #tag syntax: %s", tags)
+	}
+
+	return &mcp.GetPromptResult{
+		Description: "Capture a memo",
+		Messages: []mcp.PromptMessage{
+			mcp.NewPromptMessage(mcp.RoleUser, mcp.NewTextContent(instruction)),
+		},
+	}, nil
+}
+
+func (*MCPService) handleReviewPrompt(_ context.Context, req mcp.GetPromptRequest) (*mcp.GetPromptResult, error) {
+	topic := req.Params.Arguments["topic"]
+	if topic == "" {
+		return nil, errors.New("topic argument is required")
+	}
+
+	instruction := fmt.Sprintf(
+		"Please use the search_memos tool to find memos about %q, then provide a concise summary of what has been written on this topic, grouped by theme. Include the memo names so the user can reference them.",
+		topic,
+	)
+
+	return &mcp.GetPromptResult{
+		Description: fmt.Sprintf("Review memos about %q", topic),
+		Messages: []mcp.PromptMessage{
+			mcp.NewPromptMessage(mcp.RoleUser, mcp.NewTextContent(instruction)),
+		},
+	}, nil
+}