MCP服务器核心

typedef struct factmcp_server factmcp_server;

typedef enum factmcp_transport {
    FACTMCP_TRANSPORT_HTTP = 0,
    FACTMCP_TRANSPORT_STDIO = 1
} factmcp_transport;

typedef const char* (*factmcp_tool_handler)(const char* json_params, void* user_data);

factmcp_server* factmcp_create(factmcp_transport transport, int port);
void factmcp_destroy(factmcp_server* server);
int factmcp_start(factmcp_server* server);
void factmcp_stop(factmcp_server* server);
void factmcp_run(factmcp_server* server);
int factmcp_port(const factmcp_server* server);

int factmcp_register_tool(
    factmcp_server* server,
    const char* name,
    const char* tool_json,
    factmcp_tool_handler handler,
    void* user_data);

const char* factmcp_process_jsonrpc(factmcp_server* server, const char* json_body);
void factmcp_free_string(const char* text);

static const char* echo_handler(const char* json_params, void* user_data) {
    (void)user_data;
    return "{\"success\":true,\"message\":\"hello from faCtMCP\"}";
}

int main(void) {
    factmcp_server* server = factmcp_create(FACTMCP_TRANSPORT_STDIO, 0);
    factmcp_register_tool(server, "echo", TOOL_JSON, echo_handler, NULL);
    factmcp_start(server);
    factmcp_run(server);
    factmcp_destroy(server);
    return 0;
}

cmake -S . -B build
cmake --build build --config Release
ctest -C Release --test-dir build --output-on-failure

cmake_minimum_required(VERSION 3.16)
project(my_mcp_tool LANGUAGES C CXX)

find_package(faCtMCP REQUIRED)

add_executable(my_mcp_tool main.cpp)
target_link_libraries(my_mcp_tool PRIVATE faCtMCP::faCtMCP)

#include "factmcp.h"

static const char* kToolJson =
    "{"
    "\"name\":\"hello\"," 
    "\"description\":\"Return a greeting\"," 
    "\"inputSchema\":{\"type\":\"object\",\"properties\":{}}"
    "}";

static const char* hello_handler(const char*, void*) {
    return "{\"success\":true,\"message\":\"hello from faCtMCP\"}";
}

int main() {
    factmcp_server* server = factmcp_create(FACTMCP_TRANSPORT_STDIO, 0);
    factmcp_register_tool(server, "hello", kToolJson, hello_handler, nullptr);
    factmcp_start(server);
    factmcp_run(server);
    factmcp_destroy(server);
    return 0;
}