fix(rig-integration): implement ToolEmbeddingDyn trait for McpToolAdaptor (#99)

- Added ToolEmbeddingDyn trait for McpToolAdaptor to enable dynamic loading of McpTool
- Enhanced logging to record details

Co-authored-by: byeblack <byeblack@misaki.red>

examples/rig-integration/Cargo.toml

@@ -23,4 +23,11 @@ anyhow = "1.0"
 serde_json = "1"
 serde = { version = "1", features = ["derive"] }
 toml = "0.8"
-futures = "0.3"
+futures = "0.3"
+tracing = "0.1"
+tracing-subscriber = { version = "0.3", features = [
+    "env-filter",
+    "std",
+    "fmt",
+] }
+tracing-appender = "0.2"

examples/rig-integration/src/chat.rs

@@ -2,12 +2,11 @@ use futures::StreamExt;
 use rig::{
     agent::Agent,
     message::Message,
-    providers::deepseek::DeepSeekCompletionModel,
-    streaming::{StreamingChat, StreamingChoice},
+    streaming::{StreamingChat, StreamingChoice, StreamingCompletionModel},
 };
 use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader, BufWriter};
 
-pub async fn cli_chatbot(chatbot: Agent<DeepSeekCompletionModel>) -> anyhow::Result<()> {
+pub async fn cli_chatbot<M: StreamingCompletionModel>(chatbot: Agent<M>) -> anyhow::Result<()> {
     let mut chat_log = vec![];
 
     let mut output = BufWriter::new(tokio::io::stdout());
@@ -27,6 +26,7 @@ pub async fn cli_chatbot(chatbot: Agent<DeepSeekCompletionModel>) -> anyhow::Res
         }
         match chatbot.stream_chat(input, chat_log.clone()).await {
             Ok(mut response) => {
+                tracing::info!(%input);
                 chat_log.push(Message::user(input));
                 stream_output_agent_start(&mut output).await?;
                 let mut message_buf = String::new();

examples/rig-integration/src/main.rs

@@ -1,16 +1,30 @@
 use rig::{
     embeddings::EmbeddingsBuilder,
-    providers::{
-        cohere,
-        deepseek::{self, DEEPSEEK_CHAT},
-    },
+    providers::{cohere, deepseek},
     vector_store::in_memory_store::InMemoryVectorStore,
 };
+use tracing_appender::rolling::{RollingFileAppender, Rotation};
 pub mod chat;
 pub mod config;
 pub mod mcp_adaptor;
+
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
+    let file_appender = RollingFileAppender::new(
+        Rotation::DAILY,
+        "logs",
+        format!("{}.log", env!("CARGO_CRATE_NAME")),
+    );
+    tracing_subscriber::fmt()
+        .with_env_filter(
+            tracing_subscriber::EnvFilter::from_default_env()
+                .add_directive(tracing::Level::INFO.into()),
+        )
+        .with_writer(file_appender)
+        .with_file(false)
+        .with_ansi(false)
+        .init();
+
     let config = config::Config::retrieve("config.toml").await?;
     let openai_client = {
         if let Some(key) = config.deepseek_key {
@@ -27,7 +41,7 @@ async fn main() -> anyhow::Result<()> {
         }
     };
     let mcp_manager = config.mcp.create_manager().await?;
-    eprintln!(
+    tracing::info!(
         "MCP Manager created, {} servers started",
         mcp_manager.clients.len()
     );
@@ -39,26 +53,16 @@ async fn main() -> anyhow::Result<()> {
         .build()
         .await?;
     let store = InMemoryVectorStore::from_documents_with_id_f(embeddings, |f| {
-        eprintln!("store tool {}", f.name);
+        tracing::info!("store tool {}", f.name);
         f.name.clone()
     });
     let index = store.index(embedding_model);
     let dpsk = openai_client
-        .agent(DEEPSEEK_CHAT)
-        .context(
-r#"You are an assistant here to help the user to do some works. 
-When you need to use tools, you should select which tool is most appropriate to meet the user's requirement.
-Follow these instructions closely. 
-1. Consider the user's request carefully and identify the core elements of the request.
-2. Select which tool among those made available to you is appropriate given the context. 
-3. This is very important: never perform the operation yourself and never give me the direct result. 
-Always respond with the name of the tool that should be used and the appropriate inputs
-in the following format:
-Tool: <tool name>
-Inputs: <list of inputs>"#,
-        )
+        .agent(deepseek::DEEPSEEK_CHAT)
         .dynamic_tools(4, index, tool_set)
         .build();
+
     chat::cli_chatbot(dpsk).await?;
+
     Ok(())
 }

examples/rig-integration/src/mcp_adaptor.rs

@@ -1,6 +1,6 @@
 use std::collections::HashMap;
 
-use rig::tool::{ToolDyn as RigTool, ToolSet};
+use rig::tool::{ToolDyn as RigTool, ToolEmbeddingDyn, ToolSet};
 use rmcp::{
     RoleClient,
     model::{CallToolRequestParam, CallToolResult, Tool as McpTool},
@@ -49,6 +49,8 @@ impl RigTool for McpToolAdaptor {
                         .map_err(rig::tool::ToolError::JsonError)?,
                 })
                 .await
+                .inspect(|result| tracing::info!(?result))
+                .inspect_err(|error| tracing::error!(%error))
                 .map_err(|e| rig::tool::ToolError::ToolCallError(Box::new(e)))?;
 
             Ok(convert_mcp_call_tool_result_to_string(call_mcp_tool_result))
@@ -56,6 +58,22 @@ impl RigTool for McpToolAdaptor {
     }
 }
 
+impl ToolEmbeddingDyn for McpToolAdaptor {
+    fn context(&self) -> serde_json::Result<serde_json::Value> {
+        serde_json::to_value(self.tool.clone())
+    }
+
+    fn embedding_docs(&self) -> Vec<String> {
+        vec![
+            self.tool
+                .description
+                .as_deref()
+                .unwrap_or_default()
+                .to_string(),
+        ]
+    }
+}
+
 pub struct McpManager {
     pub clients: HashMap<String, RunningService<RoleClient, ()>>,
 }
@@ -72,7 +90,7 @@ impl McpManager {
         for result in results {
             match result {
                 Err(e) => {
-                    eprintln!("Failed to get tool set: {:?}", e);
+                    tracing::error!(error = %e, "Failed to get tool set");
                 }
                 Ok(tools) => {
                     tool_set.add_tools(tools);
@@ -89,14 +107,15 @@ pub fn convert_mcp_call_tool_result_to_string(result: CallToolResult) -> String
 
 pub async fn get_tool_set(server: ServerSink) -> anyhow::Result<ToolSet> {
     let tools = server.list_all_tools().await?;
-    let mut tool_set = ToolSet::default();
+    let mut tool_builder = ToolSet::builder();
     for tool in tools {
-        eprintln!("get tool: {}", tool.name);
+        tracing::info!("get tool: {}", tool.name);
         let adaptor = McpToolAdaptor {
             tool: tool.clone(),
             server: server.clone(),
         };
-        tool_set.add_tool(adaptor);
+        tool_builder = tool_builder.dynamic_tool(adaptor);
     }
+    let tool_set = tool_builder.build();
     Ok(tool_set)
 }