diff --git a/Cargo.lock b/Cargo.lock
index 45ee1332f..3eaef4d79 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6064,6 +6064,7 @@ dependencies = [
  "log",
  "num_cpus",
  "prettytable-rs",
+ "serde",
  "serde_json",
  "simplelog",
  "smol",
diff --git a/bin/tau-cli/Cargo.toml b/bin/tau-cli/Cargo.toml
index 8fc2070f8..528b784bd 100644
--- a/bin/tau-cli/Cargo.toml
+++ b/bin/tau-cli/Cargo.toml
@@ -28,3 +28,4 @@ prettytable-rs = "0.8.0"
 
 # Encoding and parsing
 serde_json = "1.0.79"
+serde = {version = "1.0.136", features = ["derive"]}
diff --git a/bin/tau-cli/src/main.rs b/bin/tau-cli/src/main.rs
index 65b349dad..5569071e6 100644
--- a/bin/tau-cli/src/main.rs
+++ b/bin/tau-cli/src/main.rs
@@ -11,6 +11,7 @@ use chrono::{Datelike, Local, NaiveDate, NaiveDateTime};
 use clap::{CommandFactory, Parser, Subcommand};
 use log::{debug, error};
 use prettytable::{cell, format, row, Cell, Row, Table};
+use serde::{Deserialize, Serialize};
 use serde_json::{json, Value};
 use simplelog::{ColorChoice, TermLogger, TerminalMode};
 use url::Url;
@@ -81,6 +82,26 @@ pub enum CliTauSubCommands {
     },
     /// List open tasks
     List {},
+    /// Show task by ID
+    Show {
+        /// Task ID
+        id: u64,
+    },
+}
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+struct TaskInfo {
+    ref_id: String,
+    id: u32,
+    title: String,
+    desc: String,
+    assign: Vec<String>,
+    project: Vec<String>,
+    due: String,
+    rank: u32,
+    created_at: String,
+    events: Vec<Value>,
+    comments: Vec<Value>,
 }
 
 /// Tau cli
@@ -145,8 +166,20 @@ async fn request(r: jsonrpc::JsonRequest, url: String) -> Result<Value> {
     }
 }
 
+// RPCAPI:
 // Add new task and returns `true` upon success.
-// --> {"jsonrpc": "2.0", "method": "add", "params": ["title", "desc", ["assign"], ["project"], "due", "rank"], "id": 1}
+// --> {"jsonrpc": "2.0", "method": "add",
+//      "params":
+//          [{
+//          "title": "..",
+//          "desc": "..",
+//          assign: [..],
+//          project: [..],
+//          "due": ..,
+//          "rank": ..
+//          }],
+//      "id": 1
+//      }
 // <-- {"jsonrpc": "2.0", "result": true, "id": 1}
 async fn add(url: &str, params: Value) -> Result<Value> {
     let req = jsonrpc::request(json!("add"), params);
@@ -193,6 +226,14 @@ async fn set_comment(url: &str, id: u64, author: &str, content: &str) -> Result<
     request(req, url.to_string()).await
 }
 
+// Show task by id.
+// --> {"jsonrpc": "2.0", "method": "show", "params": [task_id], "id": 1}
+// <-- {"jsonrpc": "2.0", "result": "task", "id": 1}
+async fn show(url: &str, id: u64) -> Result<Value> {
+    let req = jsonrpc::request(json!("show"), json!([id]));
+    request(req, url.to_string()).await
+}
+
 async fn start(options: CliTau) -> Result<()> {
     let rpc_addr = "tcp://127.0.0.1:8875";
     match options.command {
@@ -260,7 +301,11 @@ async fn start(options: CliTau) -> Result<()> {
 
             let rank = rank.unwrap_or(0);
 
-            add(rpc_addr, json!([title, desc, assign, project, due, rank])).await?;
+            add(
+                rpc_addr,
+                json!([{"title": title, "desc": desc, "assign": assign, "project": project, "due": due, "rank": rank}]),
+            )
+            .await?;
         }
 
         Some(CliTauSubCommands::List {}) => {
@@ -368,11 +413,45 @@ async fn start(options: CliTau) -> Result<()> {
                     cmnt.push_str(comment["content"].as_str().unwrap());
                     cmnt.push('\n');
                 }
+                cmnt.pop();
 
                 println!("Comments on Task with id {}:\n{}", id, cmnt);
             }
         }
 
+        Some(CliTauSubCommands::Show { id }) => {
+            let rep = show(rpc_addr, id).await?;
+            let due = if rep["due"].is_u64() {
+                let timestamp = rep["due"].as_i64().unwrap();
+                NaiveDateTime::from_timestamp(timestamp, 0).date().format("%A %-d %B").to_string()
+            } else {
+                "".to_string()
+            };
+
+            let created_at = if rep["created_at"].is_u64() {
+                let created = rep["created_at"].as_i64().unwrap();
+                NaiveDateTime::from_timestamp(created, 0).date().format("%A %-d %B").to_string()
+            } else {
+                "".to_string()
+            };
+
+            let t = TaskInfo {
+                ref_id: serde_json::from_value(rep["ref_id"].clone())?,
+                id: serde_json::from_value(rep["id"].clone())?,
+                title: serde_json::from_value(rep["title"].clone())?,
+                desc: serde_json::from_value(rep["desc"].clone())?,
+                assign: serde_json::from_value(rep["assign"].clone())?,
+                project: serde_json::from_value(rep["project"].clone())?,
+                due,
+                rank: serde_json::from_value(rep["rank"].clone())?,
+                created_at,
+                events: serde_json::from_value(rep["events"].clone())?,
+                comments: serde_json::from_value(rep["comments"].clone())?,
+            };
+            // let t: TaskInfo = serde_json::from_value(rep)?;
+            println!("TaskInfo: {}", serde_json::to_string_pretty(&t)?);
+        }
+
         _ => {
             error!("Please run 'tau help' to see usage.");
             return Err(Error::MissingParams)
diff --git a/bin/taud/src/jsonrpc.rs b/bin/taud/src/jsonrpc.rs
index b8e0c98e4..b0d0aaf7c 100644
--- a/bin/taud/src/jsonrpc.rs
+++ b/bin/taud/src/jsonrpc.rs
@@ -54,6 +54,7 @@ impl RequestHandler for JsonRpcInterface {
             Some("set_comment") => {
                 return from_taud_result(self.set_comment(req.params).await, req.id)
             }
+            Some("show") => return from_taud_result(self.show(req.params).await, req.id),
             Some(_) | None => {
                 return JsonResult::Err(jsonerr(ErrorCode::MethodNotFound, None, req.id))
             }
@@ -72,7 +73,7 @@ impl JsonRpcInterface {
     //      "params":
     //          [{
     //          "title": "..",
-    //          "desc": ".."
+    //          "desc": "..",
     //          assign: [..],
     //          project: [..],
     //          "due": ..,
@@ -182,6 +183,22 @@ impl JsonRpcInterface {
         Ok(json!(true))
     }
 
+    // RPCAPI:
+    // Show a task by id.
+    // --> {"jsonrpc": "2.0", "method": "show", "params": [task_id], "id": 1}
+    // <-- {"jsonrpc": "2.0", "result": "task", "id": 1}
+    async fn show(&self, params: Value) -> TaudResult<Value> {
+        let args = params.as_array().unwrap();
+
+        if args.len() != 1 {
+            return Err(TaudError::InvalidData("len of params should be 1".into()))
+        }
+
+        let task: TaskInfo = self.load_task_by_id(&args[0])?;
+
+        Ok(json!(task))
+    }
+
     fn load_task_by_id(&self, task_id: &Value) -> TaudResult<TaskInfo> {
         let task_id: u64 = serde_json::from_value(task_id.clone())?;
 
diff --git a/bin/taud/src/task_info.rs b/bin/taud/src/task_info.rs
index 723990c0d..a8ca6dce9 100644
--- a/bin/taud/src/task_info.rs
+++ b/bin/taud/src/task_info.rs
@@ -38,13 +38,13 @@ impl Comment {
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
-struct TaskEvents(Vec<TaskEvent>);
+pub struct TaskEvents(Vec<TaskEvent>);
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
-struct TaskComments(Vec<Comment>);
+pub struct TaskComments(Vec<Comment>);
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
-struct TaskProjects(Vec<String>);
+pub struct TaskProjects(Vec<String>);
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
-struct TaskAssigns(Vec<String>);
+pub struct TaskAssigns(Vec<String>);
 
 #[derive(Clone, Debug, Serialize, Deserialize, SerialEncodable, SerialDecodable, PartialEq)]
 pub struct TaskInfo {