xinmi/internal/mcp/types.go

package mcp

// InitializeResult represents the result of initialize request
type InitializeResult struct {
	ProtocolVersion string             `json:"protocolVersion"`
	Capabilities    ServerCapabilities `json:"capabilities"`
	ServerInfo      ServerInfo         `json:"serverInfo"`
}

// ServerCapabilities represents server capabilities
type ServerCapabilities struct {
	Tools        *ToolsCapability       `json:"tools,omitempty"`
	Resources    *ResourcesCapability   `json:"resources,omitempty"`
	Prompts      *PromptsCapability     `json:"prompts,omitempty"`
	Logging      map[string]interface{} `json:"logging,omitempty"`
	Experimental map[string]interface{} `json:"experimental,omitempty"`
}

// ToolsCapability represents tools capability
type ToolsCapability struct {
	ListChanged bool `json:"listChanged,omitempty"`
}

// ResourcesCapability represents resources capability
type ResourcesCapability struct {
	Subscribe   bool `json:"subscribe,omitempty"`
	ListChanged bool `json:"listChanged,omitempty"`
}

// PromptsCapability represents prompts capability
type PromptsCapability struct {
	ListChanged bool `json:"listChanged,omitempty"`
}

// ServerInfo represents information about the server
type ServerInfo struct {
	Name        string `json:"name"`
	Version     string `json:"version"`
	Title       string `json:"title,omitempty"`
	Description string `json:"description,omitempty"`
}

// CallToolResult represents the result of tools/call request
type CallToolResult struct {
	Content []ContentItem `json:"content"`
	IsError bool          `json:"isError,omitempty"`
}

// ContentItem represents a content item in tool result
type ContentItem struct {
	Type     string `json:"type"` // "text", "image", "resource"
	Text     string `json:"text,omitempty"`
	Data     string `json:"data,omitempty"`
	MimeType string `json:"mimeType,omitempty"`
}

// ReadResourceResult represents the result of resources/read request
type ReadResourceResult struct {
	Contents []ResourceContent `json:"contents"`
}

// ResourceContent represents resource content
type ResourceContent struct {
	URI      string `json:"uri"`
	MimeType string `json:"mimeType,omitempty"`
	Text     string `json:"text,omitempty"`
	Blob     string `json:"blob,omitempty"` // Base64 encoded
}