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[MCP] extend tools/list payload size to 8000

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This commit is contained in:
Terrence
2025-05-24 03:06:01 +08:00
parent 0b98392286
commit 6d5331dddd
2 changed files with 14 additions and 6 deletions
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2
main/idf_component.yml
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@@ -11,7 +11,7 @@ dependencies:
78/esp_lcd_nv3023: ~1.0.0 78/esp_lcd_nv3023: ~1.0.0
78/esp-wifi-connect: ~2.4.2 78/esp-wifi-connect: ~2.4.2
78/esp-opus-encoder: ~2.3.2 78/esp-opus-encoder: ~2.3.2
78/esp-ml307: ~2.0.2 78/esp-ml307: ~2.0.3
78/xiaozhi-fonts: ~1.3.2 78/xiaozhi-fonts: ~1.3.2
espressif/led_strip: ^2.5.5 espressif/led_strip: ^2.5.5
espressif/esp_codec_dev: ~1.3.2 espressif/esp_codec_dev: ~1.3.2

18
main/mcp_server.cc
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@@ -124,8 +124,10 @@ void McpServer::ParseMessage(const cJSON* json) {
if (method_str == "initialize") { if (method_str == "initialize") {
auto app_desc = esp_app_get_description(); auto app_desc = esp_app_get_description();
ReplyResult(id_int, "{\"protocolVersion\":\"2024-11-05\",\"capabilities\":{\"tools\":{}}," std::string message = "{\"protocolVersion\":\"2024-11-05\",\"capabilities\":{\"tools\":{}},\"serverInfo\":{\"name\":\"" BOARD_NAME "\",\"version\":\"";
"\"serverInfo\":{\"name\":\"" BOARD_NAME "\",\"version\":\"" + std::string(app_desc->version) + "\"}}"); message += app_desc->version;
message += "\"}}";
ReplyResult(id_int, message);
} else if (method_str == "tools/list") { } else if (method_str == "tools/list") {
std::string cursor_str = ""; std::string cursor_str = "";
if (params != nullptr) { if (params != nullptr) {
@@ -161,18 +163,24 @@ void McpServer::ParseMessage(const cJSON* json) {
} }
void McpServer::ReplyResult(int id, const std::string& result) { void McpServer::ReplyResult(int id, const std::string& result) {
std::string payload = "{\"jsonrpc\":\"2.0\",\"id\":" + std::to_string(id) + ",\"result\":" + result + "}"; std::string payload = "{\"jsonrpc\":\"2.0\",\"id\":";
payload += std::to_string(id) + ",\"result\":";
payload += result;
payload += "}";
Application::GetInstance().SendMcpMessage(payload); Application::GetInstance().SendMcpMessage(payload);
} }
void McpServer::ReplyError(int id, const std::string& message) { void McpServer::ReplyError(int id, const std::string& message) {
std::string payload = "{\"jsonrpc\":\"2.0\",\"id\":"; std::string payload = "{\"jsonrpc\":\"2.0\",\"id\":";
payload += std::to_string(id) + ",\"error\":{\"message\":\"" + message + "\"}}"; payload += std::to_string(id);
payload += ",\"error\":{\"message\":\"";
payload += message;
payload += "\"}}";
Application::GetInstance().SendMcpMessage(payload); Application::GetInstance().SendMcpMessage(payload);
} }
void McpServer::GetToolsList(int id, const std::string& cursor) { void McpServer::GetToolsList(int id, const std::string& cursor) {
const int max_payload_size = 1400; // ML307 MQTT publish size limit const int max_payload_size = 8000;
std::string json = "{\"tools\":["; std::string json = "{\"tools\":[";
bool found_cursor = cursor.empty(); bool found_cursor = cursor.empty();