fix: MCPCをvendored fork化しMCP準拠と接続安定性を改善

- Git submoduleを廃止してMCPCを直接管理
- Windowsで254リクエスト付近に発生する切断を修正
- JSON-RPC 2.0エラー応答を標準化
- tool schemaとruntimeの必須・任意引数を一致
- 1000回連続呼び出しの回帰テストを追加

1 files changed, 51 insertions, 0 deletions

diff --git a/third_party/mcpc/src/rsc.h b/third_party/mcpc/src/rsc.h
new file mode 100644
index 0000000..d9f1477
--- /dev/null
+++ b/third_party/mcpc/src/rsc.h
@@ -0,0 +1,51 @@
+// This file is part of the mcpc library.
+//
+// Copyright (C) 2025 Michael Lee <micl2e2 AT proton.me>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions: 
+// 
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software. 
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef h_rsc
+#define h_rsc
+
+#include <stddef.h>
+#include <stdio.h>
+
+#include <mcpc/_c23_keywords.h>
+#include <mcpc/_c23_uchar.h>
+
+#include <mcpc/rsc.h>
+
+typedef mcpc_anypool_t mcpc_rscpool_t;
+
+// ---------------------------- rscpool ----------------------------
+
+mcpc_rscpool_t *mcpc_rscpool_new ();
+
+void mcpc_rscpool_free (mcpc_rscpool_t * rscpool);
+
+void mcpc_rscpool_add_cp (mcpc_rscpool_t * rscpool, const mcpc_rsc_t * tmp_rsc);
+
+void mcpc_rscpool_addfre (mcpc_rscpool_t * rscpool, mcpc_rsc_t * tmp_rsc);
+
+const mcpc_rsc_t *mcpc_rscpool_get_const (const mcpc_rscpool_t * rscpool, size_t idx);
+
+const mcpc_rsc_t *mcpc_rscpool_get_next (const mcpc_rscpool_t * rscpool);
+
+const mcpc_rsc_t *mcpc_rscpool_getbyname (const mcpc_rscpool_t * rscpool, const char8_t * name, size_t name_len);
+
+#endif