diff --git a/src/command/config.rs b/src/command/config.rs
index 942ec9b..6ed0e91 100644
--- a/src/command/config.rs
+++ b/src/command/config.rs
@@ -1,5 +1,4 @@
 mod migrate;
-mod schema;
 mod validate;
 
 use clap::{Subcommand, ValueEnum};
diff --git a/src/command/config/schema.rs b/src/command/config/schema.rs
deleted file mode 100644
index ea1769a..0000000
--- a/src/command/config/schema.rs
+++ /dev/null
@@ -1,2 +0,0 @@
-mod client;
-mod server;
diff --git a/src/command/config/validate.rs b/src/command/config/validate.rs
index be96c6e..7bc4668 100644
--- a/src/command/config/validate.rs
+++ b/src/command/config/validate.rs
@@ -1,7 +1,51 @@
+use crate::config::{client, server};
+use std::{env, fs, io::Read};
+use validator::{Validate, ValidationErrors};
+
 #[derive(thiserror::Error, Debug)]
-#[error("failed to validate the config file")]
-pub(crate) struct ConfigValidateError;
+pub(crate) enum ConfigValidateError {
+    #[error(transparent)]
+    Read(#[from] ReadConfigError),
+    #[error(transparent)]
+    InvalidConfig(#[from] ValidationErrors),
+}
+
+#[derive(thiserror::Error, Debug)]
+pub(crate) enum ReadConfigError {
+    #[error(transparent)]
+    ReadFile(#[from] std::io::Error),
+    #[error("config/server.toml is not written in the TOML format")]
+    InvalidServerTomlFormat(#[source] toml::de::Error),
+    #[error("config/client.toml is not written in the TOML format")]
+    InvalidClientTomlFormat(#[source] toml::de::Error),
+}
 
 pub(super) fn run() -> Result<(), ConfigValidateError> {
-    unimplemented!()
+    read_server_toml()?.validate()?;
+    read_client_toml()?.validate()?;
+    Ok(())
+}
+
+fn read_server_toml() -> Result<server::Config, ReadConfigError> {
+    const FILENAME: &str = "config/server.toml";
+
+    let cwd = env::current_dir()?;
+    let mut file = fs::File::open(cwd.join(FILENAME))?;
+
+    let mut buffer = String::new();
+    file.read_to_string(&mut buffer)?;
+
+    toml::from_str(&buffer).map_err(ReadConfigError::InvalidServerTomlFormat)
+}
+
+fn read_client_toml() -> Result<client::Config, ReadConfigError> {
+    const FILENAME: &str = "config/client.toml";
+
+    let cwd = env::current_dir()?;
+    let mut file = fs::File::open(cwd.join(FILENAME))?;
+
+    let mut buffer = String::new();
+    file.read_to_string(&mut buffer)?;
+
+    toml::from_str(&buffer).map_err(ReadConfigError::InvalidClientTomlFormat)
 }
diff --git a/src/command/config/schema/client.rs b/src/config/client.rs
similarity index 97%
rename from src/command/config/schema/client.rs
rename to src/config/client.rs
index 856bb5f..8d9a088 100644
--- a/src/command/config/schema/client.rs
+++ b/src/config/client.rs
@@ -9,12 +9,12 @@ use serde::{Deserialize, Serialize};
 use validator::{Validate, ValidationError};
 
 #[derive(Deserialize, Serialize, Validate, Debug)]
-pub(super) struct Config {
+pub struct Config {
     appearance: Appearance,
 }
 
 #[derive(Deserialize, Serialize, Validate, Debug)]
-pub(super) struct Appearance {
+pub struct Appearance {
     /// Server-wide default light theme
     light_theme: Option<String>,
     /// Server-wide default light theme
diff --git a/src/config/mod.rs b/src/config/mod.rs
new file mode 100644
index 0000000..c07f47e
--- /dev/null
+++ b/src/config/mod.rs
@@ -0,0 +1,2 @@
+pub mod client;
+pub mod server;
diff --git a/src/command/config/schema/server.rs b/src/config/server.rs
similarity index 87%
rename from src/command/config/schema/server.rs
rename to src/config/server.rs
index a7c1244..6356a89 100644
--- a/src/command/config/schema/server.rs
+++ b/src/config/server.rs
@@ -11,7 +11,7 @@ use validator::Validate;
 type Port = u16;
 
 #[derive(Deserialize, Serialize, Validate, Debug)]
-pub(super) struct Config {
+pub struct Config {
     network: Network,
     database: Database,
     cache_server: CacheServer,
@@ -19,20 +19,20 @@ pub(super) struct Config {
 }
 
 #[derive(Deserialize, Serialize, Validate, Debug)]
-pub(super) struct Network {
+pub struct Network {
     protocol: Option<HttpProtocol>,
     host: String,
     port: Port,
 }
 
 #[derive(Deserialize, Serialize, Debug)]
-pub(super) enum HttpProtocol {
+pub enum HttpProtocol {
     Https,
     Http,
 }
 
 #[derive(Deserialize, Serialize, Validate, Debug)]
-pub(super) struct Database {
+pub struct Database {
     host: String,
     port: Port,
     user: String,
@@ -41,7 +41,7 @@ pub(super) struct Database {
 }
 
 #[derive(Deserialize, Serialize, Validate, Debug)]
-pub(super) struct CacheServer {
+pub struct CacheServer {
     host: String,
     port: Port,
     user: Option<String>,
@@ -51,7 +51,7 @@ pub(super) struct CacheServer {
 }
 
 #[derive(Deserialize, Serialize, Validate, Debug)]
-pub(super) struct Id {
+pub struct Id {
     #[validate(range(min = 16, max = 24))]
     length: Option<u8>,
     fingerprint: Option<String>,
diff --git a/src/main.rs b/src/main.rs
index e0b82be..150a143 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,5 @@
 mod command;
+mod config;
 
 use clap::{Parser, Subcommand};