diff --git a/Cargo.lock b/Cargo.lock
index cfdc244..3e90c05 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,6 +8,12 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "ascii"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eab1c04a571841102f5345a8fc0f6bb3d31c315dec879b5c6e42e40ce7ffa34e"
+
 [[package]]
 name = "async-compression"
 version = "0.3.15"
@@ -54,6 +60,12 @@ version = "3.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0d261e256854913907f67ed06efbc3338dfe6179796deefc1ff763fc1aee5535"
 
+[[package]]
+name = "byteorder"
+version = "1.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+
 [[package]]
 name = "bytes"
 version = "1.3.0"
@@ -94,6 +106,19 @@ dependencies = [
  "os_str_bytes",
 ]
 
+[[package]]
+name = "combine"
+version = "3.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da3da6baa321ec19e1cc41d31bf599f00c783d0517095cdaf0332e3fe8d20680"
+dependencies = [
+ "ascii",
+ "byteorder",
+ "either",
+ "memchr",
+ "unreachable",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.9.3"
@@ -146,6 +171,8 @@ dependencies = [
  "dirs",
  "eyre",
  "flate2",
+ "graphql-introspection-query",
+ "graphql_client",
  "hex",
  "hex-literal",
  "platform-info",
@@ -187,6 +214,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "either"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
+
 [[package]]
 name = "encoding_rs"
 version = "0.8.31"
@@ -371,6 +404,65 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "graphql-introspection-query"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f2a4732cf5140bd6c082434494f785a19cfb566ab07d1382c3671f5812fed6d"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "graphql-parser"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2ebc8013b4426d5b81a4364c419a95ed0b404af2b82e2457de52d9348f0e474"
+dependencies = [
+ "combine",
+ "thiserror",
+]
+
+[[package]]
+name = "graphql_client"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa61bb9dc6d373a8b465a5da17b62809483e8527a34b0e9034dc0915b09e160a"
+dependencies = [
+ "graphql_query_derive",
+ "reqwest",
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "graphql_client_codegen"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e55df64cc702c4ad6647f8df13a799ad11688a3781fadf5045f7ba12733fa9b"
+dependencies = [
+ "graphql-introspection-query",
+ "graphql-parser",
+ "heck",
+ "lazy_static",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_json",
+ "syn",
+]
+
+[[package]]
+name = "graphql_query_derive"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d52fc9cde811f44b15ec0692b31e56a3067f6f431c5ace712f286e47c1dacc98"
+dependencies = [
+ "graphql_client_codegen",
+ "proc-macro2",
+ "syn",
+]
+
 [[package]]
 name = "h2"
 version = "0.3.15"
@@ -396,6 +488,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "heck"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2540771e65fc8cb83cd6e8a237f70c319bd5c29f78ed1084ba5d50eeac86f7f9"
+
 [[package]]
 name = "hermit-abi"
 version = "0.2.6"
@@ -1154,6 +1252,15 @@ dependencies = [
  "tinyvec",
 ]
 
+[[package]]
+name = "unreachable"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
+dependencies = [
+ "void",
+]
+
 [[package]]
 name = "url"
 version = "2.3.1"
@@ -1177,6 +1284,12 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "void"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
+
 [[package]]
 name = "want"
 version = "0.3.0"
diff --git a/Cargo.toml b/Cargo.toml
index aa59e79..bf355ee 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,6 +13,8 @@ clap = "4.1.4"
 dirs = "4.0.0"
 eyre = "0.6.8"
 flate2 = { version = "1.0.25", features = ["zlib"] }
+graphql-introspection-query = "0.2.0"
+graphql_client = { version = "0.12.0", features = ["reqwest", "reqwest-blocking"] }
 hex = "0.4.3"
 hex-literal = "0.3.4"
 platform-info = "1.0.2"
diff --git a/src/lib.rs b/src/lib.rs
index efbfbfb..92f0c40 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -6,3 +6,4 @@ pub mod dagger;
 mod downloader;
 mod engine;
 mod schema;
+mod session;
diff --git a/src/session.rs b/src/session.rs
new file mode 100644
index 0000000..4676499
--- /dev/null
+++ b/src/session.rs
@@ -0,0 +1,34 @@
+use graphql_client::reqwest::post_graphql_blocking;
+use graphql_introspection_query::introspection_response::IntrospectionResponse;
+use reqwest::blocking::Client;
+
+use crate::{config::Config, connect_params::ConnectParams};
+
+pub struct Session {}
+
+impl Session {
+    pub fn new() -> Self {
+        Self {}
+    }
+
+    pub fn start(&self, cfg: Config, conn: &ConnectParams) -> eyre::Result<Client> {
+        let client = Client::builder()
+            .user_agent("graphql-rust/0.10.0")
+            .default_headers(
+                std::iter::once((
+                    reqwest::header::AUTHORIZATION,
+                    reqwest::header::HeaderValue::from_str(&format!(
+                        "Bearer {}",
+                        conn.session_token
+                    ))
+                    .unwrap(),
+                ))
+                .collect(),
+            )
+            .build()?;
+
+        let schema = post_graphql_blocking::<IntrospectionResponse, _>(&client, conn.url(), vec![]);
+
+        Ok(client)
+    }
+}