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#include "mcp/tools/common/common.h"
#include <stdlib.h>
#include "base/allocator.h"
void
tiny_mcp_tool_add_error(mcpc_ucbr_t *result, const char *code, const char *message)
{
tiny_json_buffer_t json;
tiny_json_init(&json);
tiny_json_raw(&json, "{\"status\":\"ERROR\",\"error\":{\"code\":");
tiny_json_string(&json, code);
tiny_json_raw(&json, ",\"message\":");
tiny_json_string(&json, message);
tiny_json_raw(&json, "}}");
mcpc_toolcall_result_add_errmsg_printf8(
result, (const char8_t *)"%s", json.data ? json.data : "{}");
tiny_json_free(&json);
}
void
tiny_mcp_tool_add_json(mcpc_ucbr_t *result, tiny_json_buffer_t *json)
{
if (json->failed)
{
tiny_mcp_tool_add_error(result, "INTERNAL_ERROR", "response allocation failed");
return;
}
mcpc_toolcall_result_add_text_printf8(
result, (const char8_t *)"%s", json->data ? json->data : "{}");
}
char *
tiny_mcp_tool_get_string(const mcpc_tool_t *tool, const char *name, size_t maximum)
{
char *value = malloc(maximum + 1);
size_t length = 0;
if (!value
|| mcpc_tool_get_tpropval_u8str(
tool, (const char8_t *)name, (char8_t *)value, maximum + 1, &length)
!= MCPC_EC_0
|| length > maximum)
{
free(value);
return NULL;
}
value[length] = '\0';
if (!tiny_utf8_valid(value, length))
{
free(value);
return NULL;
}
return value;
}
void
tiny_mcp_tool_append_message(tiny_json_buffer_t *json, const tiny_message_t *message)
{
size_t index;
tiny_json_raw(json, "{\"message_id\":");
tiny_json_string(json, message->message_id);
tiny_json_raw(json, ",\"session_id\":");
tiny_json_string(json, message->session_id);
tiny_json_raw(json, ",\"timestamp\":");
tiny_json_i64(json, message->timestamp_ms);
tiny_json_raw(json, ",\"role\":");
tiny_json_string(json, tiny_role_name(message->role));
tiny_json_raw(json, ",\"content\":");
tiny_json_string(json, message->content);
tiny_json_raw(json, ",\"metadata\":{");
if (message->metadata.tool_call_id)
{
tiny_json_raw(json, "\"tool_call_id\":");
tiny_json_string(json, message->metadata.tool_call_id);
tiny_json_raw(json, ",");
}
tiny_json_raw(json, "\"tags\":[");
for (index = 0; index < message->metadata.tag_count; ++index)
{
if (index)
{
tiny_json_raw(json, ",");
}
tiny_json_string(json, message->metadata.tags[index]);
}
tiny_json_raw(json, "],\"memory_tier\":");
tiny_json_string(json, tiny_tier_name(message->metadata.memory_tier));
tiny_json_raw(json, "}}");
}
mcpc_tool_t *
tiny_mcp_tool_new(const char *name, const char *description, mcpc_tcallcb_t callback)
{
mcpc_tool_t *tool = mcpc_tool_new2((const char8_t *)name, (const char8_t *)description);
if (!tool || mcpc_tool_set_call_cb(tool, callback) != MCPC_EC_0)
{
return NULL;
}
return tool;
}
bool
tiny_mcp_tool_add_property(mcpc_tool_t *tool,
const char *name,
const char *description,
mcpc_anytype_t type)
{
mcpc_toolprop_t *property
= mcpc_toolprop_new2((const char8_t *)name, (const char8_t *)description, type);
if (!property)
{
return false;
}
mcpc_tool_add_toolprop(tool, property);
return true;
}
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