diff --git a/configs/mcp.nix b/configs/mcp.nix
index 2b27c76..ceb0cad 100644
--- a/configs/mcp.nix
+++ b/configs/mcp.nix
@@ -2,7 +2,7 @@
 #
 # Creates a dedicated 'mcp' system user with rootless podman support
 # and a systemd service for the agent daemon.
-{ pkgs, ... }:
+{ pkgs, inputs, ... }:
 
 let
   mcpUid = 995;
@@ -29,7 +29,7 @@ in
 
     serviceConfig = {
       Type = "simple";
-      ExecStart = "/usr/local/bin/mcp-agent server --config /srv/mcp/mcp-agent.toml";
+      ExecStart = "${inputs.mcp.packages.x86_64-linux.mcp-agent}/bin/mcp-agent server --config /srv/mcp/mcp-agent.toml";
       Restart = "on-failure";
       RestartSec = 5;
 
diff --git a/configs/mcpkg.nix b/configs/mcpkg.nix
index 36f78b2..031d188 100644
--- a/configs/mcpkg.nix
+++ b/configs/mcpkg.nix
@@ -6,5 +6,6 @@
     inputs.mcr.packages.x86_64-linux.default
     inputs.mc-proxy.packages.x86_64-linux.default
     inputs.mcdeploy.packages.x86_64-linux.default
+    inputs.mcp.packages.x86_64-linux.default
   ];
 }
diff --git a/flake.nix b/flake.nix
index 4be16bd..436d0f2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -43,6 +43,9 @@
     mcdeploy.url = "git+https://git@git.wntrmute.dev/kyle/mcdeploy";
     mcdeploy.inputs.nixpkgs.follows = "nixpkgs";
 
+    mcp.url = "git+ssh://git@git.wntrmute.dev/mc/mcp.git";
+    mcp.inputs.nixpkgs.follows = "nixpkgs";
+
     # exo.url = "git+https://git.wntrmute.dev/kyle/exo";
     # exo.inputs.nixpkgs.follows = "nixpkgs";