feat(phase4): complete zclaw-skills, zclaw-hands, zclaw-channels, zclaw-protocols 模块实现

crates/zclaw-protocols/src/mcp.rs

@@ -0,0 +1,183 @@
+//! MCP (Model Context Protocol) support
+//!
+//! Implements MCP client and server for tool/resource integration.
+
+use async_trait::async_trait;
+use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
+use zclaw_types::Result;
+
+/// MCP tool definition
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct McpTool {
+    pub name: String,
+    pub description: String,
+    pub input_schema: serde_json::Value,
+}
+
+/// MCP resource definition
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct McpResource {
+    pub uri: String,
+    pub name: String,
+    pub description: Option<String>,
+    pub mime_type: Option<String>,
+}
+
+/// MCP prompt definition
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct McpPrompt {
+    pub name: String,
+    pub description: String,
+    pub arguments: Vec<McpPromptArgument>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct McpPromptArgument {
+    pub name: String,
+    pub description: String,
+    pub required: bool,
+}
+
+/// MCP server info
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct McpServerInfo {
+    pub name: String,
+    pub version: String,
+    pub protocol_version: String,
+}
+
+/// MCP client configuration
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct McpClientConfig {
+    pub server_url: String,
+    pub server_info: McpServerInfo,
+    pub capabilities: McpCapabilities,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
+pub struct McpCapabilities {
+    pub tools: Option<McpToolCapabilities>,
+    pub resources: Option<McpResourceCapabilities>,
+    pub prompts: Option<McpPromptCapabilities>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct McpToolCapabilities {
+    pub list_changed: bool,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct McpResourceCapabilities {
+    pub subscribe: bool,
+    pub list_changed: bool,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct McpPromptCapabilities {
+    pub list_changed: bool,
+}
+
+/// MCP tool call request
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct McpToolCallRequest {
+    pub name: String,
+    pub arguments: HashMap<String, serde_json::Value>,
+}
+
+/// MCP tool call response
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct McpToolCallResponse {
+    pub content: Vec<McpContent>,
+    pub is_error: bool,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(tag = "type", rename_all = "snake_case")]
+pub enum McpContent {
+    Text { text: String },
+    Image { data: String, mime_type: String },
+    Resource { resource: McpResourceContent },
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct McpResourceContent {
+    pub uri: String,
+    pub mime_type: Option<String>,
+    pub text: Option<String>,
+    pub blob: Option<String>,
+}
+
+/// MCP Client trait
+#[async_trait]
+pub trait McpClient: Send + Sync {
+    /// List available tools
+    async fn list_tools(&self) -> Result<Vec<McpTool>>;
+
+    /// Call a tool
+    async fn call_tool(&self, request: McpToolCallRequest) -> Result<McpToolCallResponse>;
+
+    /// List available resources
+    async fn list_resources(&self) -> Result<Vec<McpResource>>;
+
+    /// Read a resource
+    async fn read_resource(&self, uri: &str) -> Result<McpResourceContent>;
+
+    /// List available prompts
+    async fn list_prompts(&self) -> Result<Vec<McpPrompt>>;
+
+    /// Get a prompt
+    async fn get_prompt(&self, name: &str, arguments: HashMap<String, String>) -> Result<String>;
+}
+
+/// Basic MCP client implementation
+pub struct BasicMcpClient {
+    config: McpClientConfig,
+    client: reqwest::Client,
+}
+
+impl BasicMcpClient {
+    pub fn new(config: McpClientConfig) -> Self {
+        Self {
+            config,
+            client: reqwest::Client::new(),
+        }
+    }
+}
+
+#[async_trait]
+impl McpClient for BasicMcpClient {
+    async fn list_tools(&self) -> Result<Vec<McpTool>> {
+        // TODO: Implement actual MCP protocol communication
+        Ok(Vec::new())
+    }
+
+    async fn call_tool(&self, _request: McpToolCallRequest) -> Result<McpToolCallResponse> {
+        // TODO: Implement actual MCP protocol communication
+        Ok(McpToolCallResponse {
+            content: vec![McpContent::Text { text: "Not implemented".to_string() }],
+            is_error: true,
+        })
+    }
+
+    async fn list_resources(&self) -> Result<Vec<McpResource>> {
+        Ok(Vec::new())
+    }
+
+    async fn read_resource(&self, _uri: &str) -> Result<McpResourceContent> {
+        Ok(McpResourceContent {
+            uri: String::new(),
+            mime_type: None,
+            text: Some("Not implemented".to_string()),
+            blob: None,
+        })
+    }
+
+    async fn list_prompts(&self) -> Result<Vec<McpPrompt>> {
+        Ok(Vec::new())
+    }
+
+    async fn get_prompt(&self, _name: &str, _arguments: HashMap<String, String>) -> Result<String> {
+        Ok("Not implemented".to_string())
+    }
+}