diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..e170a94
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,37 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Setup Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: '18.x'
+        
+    - name: Install dependencies
+      run: npm ci
+      
+    - name: Build
+      run: npm run build
+      
+  nix-build:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Install Nix
+      uses: DeterminateSystems/nix-installer-action@main
+      
+    - name: Build with Nix
+      run: nix build
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 7f106e9..28e284f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,8 @@
 node_modules/
 build/
 *.log
-.env*
\ No newline at end of file
+.env*
+.direnv/
+.envrc
+result
+result-*
\ No newline at end of file
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..e99ec39
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1740367490,
+        "narHash": "sha256-WGaHVAjcrv+Cun7zPlI41SerRtfknGQap281+AakSAw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "0196c0175e9191c474c26ab5548db27ef5d34b05",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..23e98c7
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,58 @@
+{
+  description = "A Model Context Protocol server with Exa which does web search";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+      in
+      {
+        packages.default = pkgs.buildNpmPackage {
+          pname = "exa-mcp-server";
+          version = "0.1.0";
+          src = ./.;
+          npmDepsHash = "sha256-/MIyf3tDnLrw4kEI2sEd6b92PhrSmzEjcxllbljE69c=";
+          makeCacheWritable = true;
+          
+          buildPhase = ''
+            # First run the build
+            npm run build
+            
+            # Make the output directory
+            mkdir -p $out/lib/node_modules/exa-mcp-server
+          '';
+
+          installPhase = ''
+            # Copy the entire package with node_modules
+            cp -r . $out/lib/node_modules/exa-mcp-server/
+            
+            # Create bin directory and symlink
+            mkdir -p $out/bin
+            chmod +x $out/lib/node_modules/exa-mcp-server/build/index.js
+            ln -s $out/lib/node_modules/exa-mcp-server/build/index.js $out/bin/exa-mcp-server
+          '';
+
+          meta = with pkgs.lib; {
+            description = "A Model Context Protocol server with Exa which does web search";
+            homepage = "https://github.com/exa-labs/exa-mcp-server";
+            license = licenses.mit;
+            mainProgram = "exa-mcp-server";
+            maintainers = [];
+          };
+        };
+
+        devShells.default = pkgs.mkShell {
+          buildInputs = with pkgs; [
+            nodejs_18
+            nodePackages.typescript
+            nodePackages.npm
+          ];
+        };
+      }
+    );
+}