diff --git a/libpldmresponder/base.cpp b/libpldmresponder/base.cpp
new file mode 100644
index 0000000..f3bb8f4
--- /dev/null
+++ b/libpldmresponder/base.cpp
@@ -0,0 +1,70 @@
+#include "libpldm/base.h"
+
+#include "base.hpp"
+
+#include <array>
+#include <map>
+#include <stdexcept>
+#include <vector>
+
+namespace pldm
+{
+namespace responder
+{
+
+using Cmd = std::vector<uint8_t>;
+
+static const std::map<Type, Cmd> capabilities{
+    {PLDM_BASE, {PLDM_GET_PLDM_TYPES, PLDM_GET_PLDM_COMMANDS}}};
+
+void getPLDMTypes(const pldm_msg_payload* request, pldm_msg* response)
+{
+    // DSP0240 has this as a bitfield8[N], where N = 0 to 7
+    std::array<uint8_t, 8> types{};
+    for (const auto& type : capabilities)
+    {
+        auto index = type.first / 8;
+        // <Type Number> = <Array Index> * 8 + <bit position>
+        auto bit = type.first - (index * 8);
+        types[index] |= 1 << bit;
+    }
+
+    encode_get_types_resp(0, PLDM_SUCCESS, types.data(), response);
+}
+
+void getPLDMCommands(const pldm_msg_payload* request, pldm_msg* response)
+{
+    pldm_version version{};
+    Type type;
+
+    if (request->payload_length != (sizeof(version) + sizeof(type)))
+    {
+        encode_get_commands_resp(0, PLDM_ERROR_INVALID_LENGTH, nullptr,
+                                 response);
+        return;
+    }
+
+    decode_get_commands_req(request, &type, &version);
+
+    // DSP0240 has this as a bitfield8[N], where N = 0 to 31
+    std::array<uint8_t, 32> cmds{};
+    if (capabilities.find(type) == capabilities.end())
+    {
+        encode_get_commands_resp(0, PLDM_ERROR_INVALID_PLDM_TYPE, nullptr,
+                                 response);
+        return;
+    }
+
+    for (const auto& cmd : capabilities.at(type))
+    {
+        auto index = cmd / 8;
+        // <Type Number> = <Array Index> * 8 + <bit position>
+        auto bit = cmd - (index * 8);
+        cmds[index] |= 1 << bit;
+    }
+
+    encode_get_commands_resp(0, PLDM_SUCCESS, cmds.data(), response);
+}
+
+} // namespace responder
+} // namespace pldm