feat: Add initial MCP Server support

lib/libimhex/include/hex/api/content_registry/communication_interface.hpp

@@ -7,6 +7,8 @@
 #include <map>
 #include <string>
 
+#include <hex/mcp/server.hpp>
+
 EXPORT_MODULE namespace hex {
 
     /* Network Communication Interface Registry. Allows adding new communication interface endpoints */
@@ -22,4 +24,19 @@ EXPORT_MODULE namespace hex {
 
     }
 
+    namespace ContentRegistry::MCP {
+
+        namespace impl {
+            mcp::Server& getMcpServerInstance();
+
+            void setEnabled(bool enabled);
+        }
+
+        bool isEnabled();
+        bool isConnected();
+
+        void registerTool(std::string_view capabilities, std::function<nlohmann::json(const nlohmann::json &params)> function);
+
+    }
+
 }

lib/libimhex/include/hex/mcp/client.hpp

@@ -0,0 +1,15 @@
+#pragma once
+
+#include <iostream>
+
+namespace hex::mcp {
+
+    class Client {
+    public:
+        Client() = default;
+        ~Client() = default;
+
+        int run(std::istream &input, std::ostream &output);
+    };
+
+}

lib/libimhex/include/hex/mcp/server.hpp

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <functional>
+#include <nlohmann/json.hpp>
+#include <wolv/net/socket_server.hpp>
+
+namespace hex::mcp {
+
+    class Server {
+    public:
+        constexpr static auto McpInternalPort = 19743;
+
+        Server();
+        ~Server();
+
+        void listen();
+        void shutdown();
+        void disconnect();
+        bool isConnected();
+
+        void addPrimitive(std::string type, std::string_view capabilities, std::function<nlohmann::json(const nlohmann::json &params)> function);
+
+    private:
+        nlohmann::json handleInitialize();
+        void handleNotifications(const std::string &method, const nlohmann::json &params);
+
+        struct Primitive {
+            nlohmann::json capabilities;
+            std::function<nlohmann::json(const nlohmann::json &params)> function;
+        };
+
+        std::map<std::string, std::map<std::string, Primitive>> m_primitives;
+
+        wolv::net::SocketServer m_server;
+        bool m_connected = false;
+    };
+
+}