diff --git a/crates/omnix-cli/src/command/show.rs b/crates/omnix-cli/src/command/show.rs
index 8fa30ef0..c8e326d4 100644
--- a/crates/omnix-cli/src/command/show.rs
+++ b/crates/omnix-cli/src/command/show.rs
@@ -146,6 +146,14 @@ impl ShowCommand {
                 self.flake_url
             )),
         );
+        print_flake_output_table(
+            "🔄 Process Compose",
+            &["allSystems", system.as_ref()],
+            Some(format!(
+                "nix run {}#<name>",
+                self.flake_url
+            )),
+        );
         print_flake_output_table("🔧 NixOS Modules", &["nixosModules"], None);
         print_flake_output_table(
             "🐳 Docker Images",
diff --git a/nix/flake-schemas/flake.lock b/nix/flake-schemas/flake.lock
index 2e259ccb..f19b0461 100644
--- a/nix/flake-schemas/flake.lock
+++ b/nix/flake-schemas/flake.lock
@@ -17,7 +17,23 @@
     },
     "root": {
       "inputs": {
-        "flake-schemas": "flake-schemas"
+        "flake-schemas": "flake-schemas",
+        "systems": "systems"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
       }
     }
   },
diff --git a/nix/flake-schemas/flake.nix b/nix/flake-schemas/flake.nix
index 988ef455..fd63445a 100644
--- a/nix/flake-schemas/flake.nix
+++ b/nix/flake-schemas/flake.nix
@@ -1,8 +1,9 @@
 {
   inputs = {
     flake-schemas.url = "github:DeterminateSystems/flake-schemas";
+    systems.url = "github:nix-systems/default";
   };
-  outputs = { flake-schemas, ... }:
+  outputs = inputs@{ flake-schemas, ... }:
     let
       appsSchema = {
         version = 1;
@@ -79,6 +80,32 @@
             })
           output);
       };
+      processComposeSchema = {
+        # Enabling flake-parts `debug` flag is required for this schema to work.
+        # https://flake.parts/options/flake-parts.html#opt-debug
+        # TODO: https://github.com/Platonic-Systems/process-compose-flake should provide schema for it self
+        # So that omnix at runtime can fetch and merge the schema from the flake
+        version = 1;
+        doc = ''
+          The `apps` output provides commands available via `nix run`.
+        '';
+        inventory = output:
+          flake-schemas.lib.mkChildren (builtins.listToAttrs (map
+            (system: {
+              name = system;
+              value = flake-schemas.lib.mkChildren (builtins.mapAttrs
+                (processes: definition:
+                  {
+                    evalChecks.isValidProcess =
+                      definition ? settings;
+                    what = "Process Compose";
+                    evalOnAllSystems = true;
+                  })
+                (output.${system}.process-compose or { }));
+            })
+            (import inputs.systems)));
+      };
+
     in
     {
       schemas = flake-schemas.schemas // {
@@ -87,6 +114,7 @@
         nixosConfigurations = nixosConfigurationsSchema;
         homeConfigurations = homeConfigurationsSchema;
         darwinConfigurations = darwinConfigurationsSchema;
+        allSystems = processComposeSchema;
       };
     };
 }