release: OpenNexus 0.5.1-alpha

tools/run_minimax_mcp_http.py

@@ -0,0 +1,65 @@
+"""Run the locally installed MiniMax MCP server as an independent HTTP service.
+
+This launcher is intentionally outside OpenNexus Core.  It reads the existing
+legacy encrypted MCP credential without printing it, then starts the upstream
+server on loopback using Streamable HTTP.
+"""
+from __future__ import annotations
+
+import argparse
+import hashlib
+import json
+import os
+from pathlib import Path
+
+from cryptography.fernet import Fernet, InvalidToken
+
+
+def credential_id(server_id: str, key: str) -> str:
+    identity = f"environment-v2\0{key}"
+    suffix = hashlib.sha256(identity.encode()).hexdigest()[:20]
+    return f"mcp.{server_id}.{suffix}"
+
+
+def load_secret(directory: Path, identity: str) -> str:
+    try:
+        key = (directory / "master.key").read_bytes().strip()
+        tokens = json.loads((directory / "credentials.json").read_text(encoding="utf-8"))
+        token = tokens[identity]
+        return Fernet(key).decrypt(token.encode("ascii")).decode("utf-8")
+    except (OSError, KeyError, ValueError, InvalidToken, UnicodeError) as exc:
+        raise SystemExit("MINIMAX_MCP_CREDENTIAL_UNAVAILABLE") from exc
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="Independent MiniMax MCP HTTP server")
+    parser.add_argument("--credentials-dir", type=Path, required=True)
+    parser.add_argument("--server-id", default="9ca7ee21603a")
+    parser.add_argument("--host", default="127.0.0.1")
+    parser.add_argument("--port", type=int, default=8765)
+    args = parser.parse_args()
+
+    if args.host != "127.0.0.1" or not 1 <= args.port <= 65535:
+        raise SystemExit("MINIMAX_MCP_LOOPBACK_REQUIRED")
+
+    secret = load_secret(
+        args.credentials_dir,
+        credential_id(args.server_id, "MINIMAX_API_KEY"),
+    )
+    os.environ["MINIMAX_API_KEY"] = secret
+    os.environ.setdefault("MINIMAX_API_HOST", "https://api.minimaxi.com")
+    os.environ.setdefault("FASTMCP_LOG_LEVEL", "WARNING")
+
+    from minimax_mcp.server import mcp
+
+    mcp.run(
+        "streamable-http",
+        host=args.host,
+        port=args.port,
+        streamable_http_path="/mcp",
+        stateless_http=False,
+    )
+
+
+if __name__ == "__main__":
+    main()