diff --git a/src/solver/systemParser/CMakeLists.txt b/src/solver/systemParser/CMakeLists.txt
new file mode 100644
index 0000000000..e48912f901
--- /dev/null
+++ b/src/solver/systemParser/CMakeLists.txt
@@ -0,0 +1,27 @@
+find_package(yaml-cpp REQUIRED)
+
+set(SOURCES
+        parser.cpp
+        encoders.hxx
+        include/antares/solver/systemParser/parser.h
+)
+
+# Create the library
+add_library(systemParser STATIC ${SOURCES})
+add_library(Antares::systemParser ALIAS systemParser)
+
+# Specify include directories
+target_include_directories(systemParser
+        PUBLIC
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+)
+
+# Link dependencies (if any)
+target_link_libraries(systemParser
+        PRIVATE
+        yaml-cpp
+)
+
+install(DIRECTORY include/antares
+        DESTINATION "include"
+)
diff --git a/src/solver/systemParser/encoders.hxx b/src/solver/systemParser/encoders.hxx
new file mode 100644
index 0000000000..09287c06b5
--- /dev/null
+++ b/src/solver/systemParser/encoders.hxx
@@ -0,0 +1,218 @@
+
+/*
+ * Copyright 2007-2024, RTE (https://www.rte-france.com)
+ * See AUTHORS.txt
+ * SPDX-License-Identifier: MPL-2.0
+ * This file is part of Antares-Simulator,
+ * Adequacy and Performance assessment for interconnected energy networks.
+ *
+ * Antares_Simulator is free software: you can redistribute it and/or modify
+ * it under the terms of the Mozilla Public Licence 2.0 as published by
+ * the Mozilla Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Antares_Simulator is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * Mozilla Public Licence 2.0 for more details.
+ *
+ * You should have received a copy of the Mozilla Public Licence 2.0
+ * along with Antares_Simulator. If not, see <https://opensource.org/license/mpl-2-0/>.
+ */
+
+#pragma once
+
+#include "antares/solver/modelParser/Library.h"
+
+#include "yaml-cpp/yaml.h"
+
+// Implement convert specializations
+namespace YAML
+{
+
+/**
+ * @brief shortend to default construct a value when node is null
+ * @tparam T Type to convert the node to
+ * @param n node
+ * @return Object of type T
+ * It's just to simplify repertitve and verbose lines
+ * as_fallback_default<std::vector<Antares::Solver::ModelParser::Parameter>>(
+node["parameters"]) is equivalent to
+ node["parameters"].as<std::vector<Antares::Solver::ModelParser::Parameter>>(std::vector<Antares::Solver::ModelParser::Parameter>())
+ */
+template<typename T>
+inline T as_fallback_default(const Node& n)
+{
+    return n.as<T>(T());
+}
+
+template<>
+struct convert<Antares::Solver::ModelParser::Parameter>
+{
+    static bool decode(const Node& node, Antares::Solver::ModelParser::Parameter& rhs)
+    {
+        if (!node.IsMap())
+        {
+            return false;
+        }
+        rhs.id = node["id"].as<std::string>();
+        rhs.time_dependent = node["time-dependent"].as<bool>(true);
+        rhs.scenario_dependent = node["scenario-dependent"].as<bool>(true);
+        return true;
+    }
+};
+
+template<>
+struct convert<Antares::Solver::ModelParser::ValueType>
+{
+    static bool decode(const Node& node, Antares::Solver::ModelParser::ValueType& rhs)
+    {
+        if (!node.IsScalar())
+        {
+            return false;
+        }
+        const auto value = node.as<std::string>();
+        if (value == "continuous")
+        {
+            rhs = Antares::Solver::ModelParser::ValueType::CONTINUOUS;
+        }
+        else if (value == "integer")
+        {
+            rhs = Antares::Solver::ModelParser::ValueType::INTEGER;
+        }
+        else if (value == "boolean")
+        {
+            rhs = Antares::Solver::ModelParser::ValueType::BOOL;
+        }
+        else
+        {
+            return false;
+        }
+        return true;
+    }
+};
+
+template<>
+struct convert<Antares::Solver::ModelParser::Variable>
+{
+    static bool decode(const Node& node, Antares::Solver::ModelParser::Variable& rhs)
+    {
+        if (!node.IsMap())
+        {
+            return false;
+        }
+        rhs.id = node["id"].as<std::string>();
+        rhs.lower_bound = node["lower-bound"].as<std::string>("");
+        rhs.upper_bound = node["upper-bound"].as<std::string>("");
+        rhs.variable_type = node["variable-type"].as<Antares::Solver::ModelParser::ValueType>(
+          Antares::Solver::ModelParser::ValueType::CONTINUOUS);
+        return true;
+    }
+};
+
+template<>
+struct convert<Antares::Solver::ModelParser::Port>
+{
+    static bool decode(const Node& node, Antares::Solver::ModelParser::Port& rhs)
+    {
+        if (!node.IsMap())
+        {
+            return false;
+        }
+        rhs.id = node["id"].as<std::string>();
+        rhs.type = node["type"].as<std::string>();
+        return true;
+    }
+};
+
+template<>
+struct convert<Antares::Solver::ModelParser::PortFieldDefinition>
+{
+    static bool decode(const Node& node, Antares::Solver::ModelParser::PortFieldDefinition& rhs)
+    {
+        if (!node.IsMap())
+        {
+            return false;
+        }
+        rhs.port = node["port"].as<std::string>();
+        rhs.field = node["field"].as<std::string>();
+        rhs.definition = node["definition"].as<std::string>();
+        return true;
+    }
+};
+
+template<>
+struct convert<Antares::Solver::ModelParser::Constraint>
+{
+    static bool decode(const Node& node, Antares::Solver::ModelParser::Constraint& rhs)
+    {
+        if (!node.IsMap())
+        {
+            return false;
+        }
+        rhs.id = node["id"].as<std::string>();
+        rhs.expression = node["expression"].as<std::string>();
+        return true;
+    }
+};
+
+template<>
+struct convert<Antares::Solver::ModelParser::Model>
+{
+    static bool decode(const Node& node, Antares::Solver::ModelParser::Model& rhs)
+    {
+        if (!node.IsMap())
+        {
+            return false;
+        }
+        rhs.id = node["id"].as<std::string>();
+        rhs.description = node["description"].as<std::string>("");
+        rhs.parameters = as_fallback_default<std::vector<Antares::Solver::ModelParser::Parameter>>(
+          node["parameters"]);
+        rhs.variables = as_fallback_default<std::vector<Antares::Solver::ModelParser::Variable>>(
+          node["variables"]);
+        rhs.ports = as_fallback_default<std::vector<Antares::Solver::ModelParser::Port>>(
+          node["ports"]);
+        rhs.port_field_definitions = as_fallback_default<
+          std::vector<Antares::Solver::ModelParser::PortFieldDefinition>>(
+          node["port-field-definitions"]);
+        rhs.constraints = as_fallback_default<
+          std::vector<Antares::Solver::ModelParser::Constraint>>(node["constraints"]);
+        rhs.objective = node["objective"].as<std::string>("");
+        return true;
+    }
+};
+
+template<>
+struct convert<Antares::Solver::ModelParser::PortType>
+{
+    static bool decode(const Node& node, Antares::Solver::ModelParser::PortType& rhs)
+    {
+        if (!node.IsMap())
+        {
+            return false;
+        }
+        rhs.id = node["id"].as<std::string>();
+        rhs.description = node["description"].as<std::string>("");
+        for (const auto& field: node["fields"])
+        {
+            rhs.fields.push_back(field["id"].as<std::string>());
+        }
+        return true;
+    }
+};
+
+template<>
+struct convert<Antares::Solver::ModelParser::Library>
+{
+    static bool decode(const Node& node, Antares::Solver::ModelParser::Library& rhs)
+    {
+        rhs.id = node["id"].as<std::string>();
+        rhs.description = node["description"].as<std::string>("");
+        rhs.port_types = as_fallback_default<std::vector<Antares::Solver::ModelParser::PortType>>(
+          node["port-types"]);
+        rhs.models = node["models"].as<std::vector<Antares::Solver::ModelParser::Model>>();
+        return true;
+    }
+};
+} // namespace YAML
diff --git a/src/solver/systemParser/include/antares/solver/systemParser/Library.h b/src/solver/systemParser/include/antares/solver/systemParser/Library.h
new file mode 100644
index 0000000000..c2a881b561
--- /dev/null
+++ b/src/solver/systemParser/include/antares/solver/systemParser/Library.h
@@ -0,0 +1,116 @@
+
+/*
+ * Copyright 2007-2024, RTE (https://www.rte-france.com)
+ * See AUTHORS.txt
+ * SPDX-License-Identifier: MPL-2.0
+ * This file is part of Antares-Simulator,
+ * Adequacy and Performance assessment for interconnected energy networks.
+ *
+ * Antares_Simulator is free software: you can redistribute it and/or modify
+ * it under the terms of the Mozilla Public Licence 2.0 as published by
+ * the Mozilla Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Antares_Simulator is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * Mozilla Public Licence 2.0 for more details.
+ *
+ * You should have received a copy of the Mozilla Public Licence 2.0
+ * along with Antares_Simulator. If not, see <https://opensource.org/license/mpl-2-0/>.
+ */
+
+#pragma once
+#include <iostream>
+#include <string>
+#include <vector>
+
+namespace Antares::Solver::ModelParser
+{
+// Define structures
+struct Parameter
+{
+    std::string id;
+    bool time_dependent;
+    bool scenario_dependent;
+};
+
+enum class ValueType
+{
+    CONTINUOUS,
+    INTEGER,
+    BOOL
+};
+
+inline std::string toString(const ValueType& value_type)
+{
+    using namespace std::string_literals;
+    switch (value_type)
+    {
+    case ValueType::CONTINUOUS:
+        return "CONTINUOUS"s;
+    case ValueType::INTEGER:
+        return "INTEGER"s;
+    case ValueType::BOOL:
+        return "BOOL"s;
+    default:
+        return "UNKNOWN"s;
+    }
+}
+
+struct Variable
+{
+    std::string id;
+    std::string lower_bound;
+    std::string upper_bound;
+    ValueType variable_type;
+};
+
+struct Port
+{
+    std::string id;
+    std::string type;
+};
+
+struct PortFieldDefinition
+{
+    std::string port;
+    std::string field;
+    std::string definition;
+};
+
+struct Constraint
+{
+    std::string id;
+    std::string expression;
+};
+
+struct Model
+{
+    std::string id;
+    std::string description;
+    std::vector<Parameter> parameters;
+    std::vector<Variable> variables;
+    std::vector<Port> ports;
+    std::vector<PortFieldDefinition> port_field_definitions;
+    std::vector<Constraint> constraints;
+    std::string objective;
+};
+
+struct PortType
+{
+    std::string id;
+    std::string description;
+    // Small optimization: we only need the name of the fields
+    // No need for an intermediate struct "field" with just a string "name" member
+    std::vector<std::string> fields;
+};
+
+struct Library
+{
+    std::string id;
+    std::string description;
+    std::vector<PortType> port_types;
+    std::vector<Model> models;
+};
+} // namespace Antares::Solver::ModelParser
diff --git a/src/solver/systemParser/include/antares/solver/systemParser/parser.h b/src/solver/systemParser/include/antares/solver/systemParser/parser.h
new file mode 100644
index 0000000000..0c042ce027
--- /dev/null
+++ b/src/solver/systemParser/include/antares/solver/systemParser/parser.h
@@ -0,0 +1,36 @@
+
+/*
+ * Copyright 2007-2024, RTE (https://www.rte-france.com)
+ * See AUTHORS.txt
+ * SPDX-License-Identifier: MPL-2.0
+ * This file is part of Antares-Simulator,
+ * Adequacy and Performance assessment for interconnected energy networks.
+ *
+ * Antares_Simulator is free software: you can redistribute it and/or modify
+ * it under the terms of the Mozilla Public Licence 2.0 as published by
+ * the Mozilla Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Antares_Simulator is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * Mozilla Public Licence 2.0 for more details.
+ *
+ * You should have received a copy of the Mozilla Public Licence 2.0
+ * along with Antares_Simulator. If not, see <https://opensource.org/license/mpl-2-0/>.
+ */
+
+#pragma once
+#include "antares/solver/modelParser/Library.h"
+
+namespace Antares::Solver::ModelParser
+{
+class Parser
+{
+public:
+    Parser() = default;
+    ~Parser() = default;
+
+    Library parse(const std::string& content);
+};
+} // namespace Antares::Solver::ModelParser
diff --git a/src/solver/systemParser/parser.cpp b/src/solver/systemParser/parser.cpp
new file mode 100644
index 0000000000..13d1b120eb
--- /dev/null
+++ b/src/solver/systemParser/parser.cpp
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2007-2024, RTE (https://www.rte-france.com)
+ * See AUTHORS.txt
+ * SPDX-License-Identifier: MPL-2.0
+ * This file is part of Antares-Simulator,
+ * Adequacy and Performance assessment for interconnected energy networks.
+ *
+ * Antares_Simulator is free software: you can redistribute it and/or modify
+ * it under the terms of the Mozilla Public Licence 2.0 as published by
+ * the Mozilla Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Antares_Simulator is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * Mozilla Public Licence 2.0 for more details.
+ *
+ * You should have received a copy of the Mozilla Public Licence 2.0
+ * along with Antares_Simulator. If not, see <https://opensource.org/license/mpl-2-0/>.
+ */
+
+#include "antares/solver/modelParser/parser.h"
+
+#include "antares/solver/modelParser/Library.h"
+
+#include "encoders.hxx"
+
+namespace Antares::Solver::ModelParser
+{
+Library Parser::parse(const std::string& content)
+{
+    YAML::Node root = YAML::Load(content);
+
+    Library library = root["library"].as<Library>();
+
+    return library;
+}
+} // namespace Antares::Solver::ModelParser